% ============================================================ % references.bib — The Macro Transcension Hypothesis (Swanson 2026) % Every entry verified against ADS/arXiv/publisher pages, June 2026. % ============================================================ % ---------- Omega Centauri & IMBH ---------- @article{Haberle2024Nature, author = {H{\"a}berle, Maximilian and Neumayer, Nadine and Seth, Anil and Bellini, Andrea and Libralato, Mattia and Anderson, Jay and Whitaker, Matthew and van de Ven, Glenn and Watkins, Laura L. and Clontz, Callie and others}, title = {Fast-moving stars around an intermediate-mass black hole in {$\omega$} {Centauri}}, journal = {Nature}, volume = {631}, number = {8020}, pages = {285--289}, year = {2024}, doi = {10.1038/s41586-024-07511-z}, eprint = {2405.06015}, archivePrefix = {arXiv} } @article{Haberle2024oMEGACatII, author = {H{\"a}berle, Maximilian and Neumayer, Nadine and Bellini, Andrea and Libralato, Mattia and Clontz, Callie and Seth, Anil C. and others}, title = {{oMEGACat}. {II}. {Photometry} and Proper Motions for 1.4 Million Stars in {Omega Centauri} and Its Rotation in the Plane of the Sky}, journal = {The Astrophysical Journal}, volume = {970}, eid = {192}, pages = {192}, year = {2024}, doi = {10.3847/1538-4357/ad47f5}, eprint = {2404.03722}, archivePrefix = {arXiv} } @article{Haberle2025oMEGACatVI, author = {H{\"a}berle, Maximilian and Neumayer, Nadine and Clontz, Callie and Seth, Anil C. and Bellini, Andrea and others}, title = {{oMEGACat}. {VI}. {Analysis} of the Overall Kinematics of {Omega Centauri} in {3D}: Velocity Dispersion, Kinematic Distance, Anisotropy, and Energy Equipartition}, journal = {The Astrophysical Journal}, volume = {983}, eid = {95}, pages = {95}, year = {2025}, doi = {10.3847/1538-4357/adbe67}, eprint = {2503.04903}, archivePrefix = {arXiv} } @article{GonzalezPrieto2025, author = {Gonz{\'a}lez Prieto, Elena and Rodriguez, Carl L. and Cabrera, Tom{\'a}s}, title = {Growing the Intermediate-mass Black Hole in {Omega Centauri}}, journal = {The Astrophysical Journal Letters}, volume = {990}, eid = {L69}, pages = {L69}, year = {2025}, doi = {10.3847/2041-8213/adfd4a}, eprint = {2507.06316}, archivePrefix = {arXiv} } @article{BanaresHernandez2025, author = {Ba{\~n}ares-Hern{\'a}ndez, Andr{\'e}s and Calore, Francesca and Mart{\'i}n Camalich, Jorge and Read, Justin I.}, title = {New constraints on the central mass contents of {Omega Centauri} from combined stellar kinematics and pulsar timing}, journal = {Astronomy \& Astrophysics}, volume = {693}, eid = {A104}, pages = {A104}, year = {2025}, doi = {10.1051/0004-6361/202451763}, eprint = {2408.00939}, archivePrefix = {arXiv} } @article{Noyola2008, author = {Noyola, Eva and Gebhardt, Karl and Bergmann, Marcel}, title = {{Gemini} and {Hubble Space Telescope} Evidence for an Intermediate-Mass Black Hole in {$\omega$ Centauri}}, journal = {The Astrophysical Journal}, volume = {676}, pages = {1008--1015}, year = {2008}, doi = {10.1086/529002}, eprint = {0801.2782}, archivePrefix = {arXiv} } @article{vanderMarelAnderson2010, author = {van der Marel, Roeland P. and Anderson, Jay}, title = {New Limits on an Intermediate-Mass Black Hole in {Omega Centauri}. {II}. {Dynamical} Models}, journal = {The Astrophysical Journal}, volume = {710}, pages = {1063--1088}, year = {2010}, doi = {10.1088/0004-637X/710/2/1063} } @article{Zocchi2019, author = {Zocchi, Alice and Gieles, Mark and H{\'e}nault-Brunet, Vincent}, title = {The effect of stellar-mass black holes on the central kinematics of {$\omega$ Cen}: a cautionary tale for {IMBH} interpretations}, journal = {Monthly Notices of the Royal Astronomical Society}, volume = {482}, pages = {4713--4725}, year = {2019}, doi = {10.1093/mnras/sty1508}, eprint = {1806.02157}, archivePrefix = {arXiv} } @article{BaumgardtVasiliev2021, author = {Baumgardt, Holger and Vasiliev, Eugene}, title = {Accurate distances to {Galactic} globular clusters through a combination of {Gaia EDR3}, {HST}, and literature data}, journal = {Monthly Notices of the Royal Astronomical Society}, volume = {505}, pages = {5957--5977}, year = {2021}, doi = {10.1093/mnras/stab1474}, eprint = {2105.09526}, archivePrefix = {arXiv} } @article{Soltis2021, author = {Soltis, John and Casertano, Stefano and Riess, Adam G.}, title = {The Parallax of {$\omega$ Centauri} Measured from {Gaia EDR3} and a Direct, Geometric Calibration of the Tip of the Red Giant Branch and the {Hubble} Constant}, journal = {The Astrophysical Journal Letters}, volume = {908}, eid = {L5}, pages = {L5}, year = {2021}, doi = {10.3847/2041-8213/abdbad}, eprint = {2012.09196}, archivePrefix = {arXiv} } @article{Harris1996, author = {Harris, William E.}, title = {A Catalog of Parameters for Globular Clusters in the {Milky Way}}, journal = {The Astronomical Journal}, volume = {112}, pages = {1487}, year = {1996}, doi = {10.1086/118116}, note = {2010 edition: arXiv:1012.3224} } @article{BekkiTsujimoto2019, author = {Bekki, Kenji and Tsujimoto, Takuji}, title = {A New Formation Model for {$\omega$ Centauri}: A Complex Interplay of Astrophysical Processes}, journal = {The Astrophysical Journal}, volume = {886}, eid = {121}, pages = {121}, year = {2019}, doi = {10.3847/1538-4357/ab464d}, eprint = {1909.11295}, archivePrefix = {arXiv} } @article{HilkerRichtler2000, author = {Hilker, Michael and Richtler, Tom}, title = {{$\omega$ Centauri} -- a former nucleus of a dissolved dwarf galaxy? {New} evidence from {Str{\"o}mgren} photometry}, journal = {Astronomy \& Astrophysics}, volume = {362}, pages = {895--909}, year = {2000}, eprint = {astro-ph/0008500}, archivePrefix = {arXiv} } @article{Ibata2019, author = {Ibata, Rodrigo A. and Bellazzini, Michele and Malhan, Khyati and Martin, Nicolas and Bianchini, Paolo}, title = {Identification of the long stellar stream of the prototypical massive globular cluster {$\omega$ Centauri}}, journal = {Nature Astronomy}, volume = {3}, pages = {667--672}, year = {2019}, doi = {10.1038/s41550-019-0751-x}, eprint = {1902.09544}, archivePrefix = {arXiv} } @article{JohnsonPilachowski2010, author = {Johnson, Christian I. and Pilachowski, Catherine A.}, title = {Chemical Abundances for 855 Giants in the Globular Cluster {Omega Centauri} ({NGC 5139})}, journal = {The Astrophysical Journal}, volume = {722}, pages = {1373--1410}, year = {2010}, doi = {10.1088/0004-637X/722/2/1373} } @article{BreenHeggie2013, author = {Breen, Philip G. and Heggie, Douglas C.}, title = {Dynamical evolution of black hole subsystems in idealized star clusters}, journal = {Monthly Notices of the Royal Astronomical Society}, volume = {432}, pages = {2779--2797}, year = {2013}, doi = {10.1093/mnras/stt628}, eprint = {1304.3401}, archivePrefix = {arXiv} } @article{Greene2020, author = {Greene, Jenny E. and Strader, Jay and Ho, Luis C.}, title = {Intermediate-Mass Black Holes}, journal = {Annual Review of Astronomy and Astrophysics}, volume = {58}, pages = {257--312}, year = {2020}, doi = {10.1146/annurev-astro-032620-021835}, eprint = {1911.09678}, archivePrefix = {arXiv} } @article{Mahida2026, author = {Mahida, Angiraben D. and others}, title = {No Evidence for Accretion around the Intermediate-mass Black Hole in {Omega Centauri}}, journal = {The Astrophysical Journal}, volume = {996}, eid = {122}, pages = {122}, year = {2026}, doi = {10.3847/1538-4357/ae2ad4}, eprint = {2512.09649}, archivePrefix = {arXiv} } @misc{Chen2025JWST, author = {Chen, Steven and Hare, Jeremy and Kargaltsev, Oleg and Yang, Hui and Cioffi, Denis and H{\"a}berle, Maximilian and Seth, Anil}, title = {The Intermediate Mass Black Hole in {Omega Centauri}: Constraints on Accretion from {JWST}}, year = {2025}, eprint = {2511.20945}, archivePrefix = {arXiv}, note = {Submitted to ApJ} } @article{Clontz2024, author = {Clontz, C. and Seth, Anil C. and Dotter, Aaron and H{\"a}berle, Maximilian and Neumayer, Nadine and others}, title = {{oMEGACat}. {IV}. {Constraining} the Ages of {Omega Centauri} Subgiant Branch Stars with {HST} and {MUSE}}, journal = {The Astrophysical Journal}, volume = {977}, eid = {14}, pages = {14}, year = {2024}, doi = {10.3847/1538-4357/ad8621}, eprint = {2409.13855}, archivePrefix = {arXiv} } @inproceedings{PryorMeylan1993, author = {Pryor, Carlton and Meylan, Georges}, title = {Velocity Dispersions for {Galactic} Globular Clusters}, booktitle = {Structure and Dynamics of Globular Clusters}, editor = {Djorgovski, S. G. and Meylan, G.}, series = {ASP Conference Series}, volume = {50}, pages = {357}, year = {1993}, publisher = {Astronomical Society of the Pacific} } @book{Spitzer1987, author = {Spitzer, Lyman, Jr.}, title = {Dynamical Evolution of Globular Clusters}, publisher = {Princeton University Press}, address = {Princeton, NJ}, year = {1987} } @article{AmaroSeoane2018, author = {Amaro-Seoane, Pau}, title = {Relativistic dynamics and extreme mass ratio inspirals}, journal = {Living Reviews in Relativity}, volume = {21}, eid = {4}, pages = {4}, year = {2018}, doi = {10.1007/s41114-018-0013-8} } @article{EHT2022SgrAI, author = {{Event Horizon Telescope Collaboration}}, title = {First {Sagittarius A*} {Event Horizon Telescope} Results. {I}. {The} Shadow of the Supermassive Black Hole in the Center of the {Milky Way}}, journal = {The Astrophysical Journal Letters}, volume = {930}, eid = {L12}, pages = {L12}, year = {2022}, doi = {10.3847/2041-8213/ac6674} } @article{GRAVITY2022, author = {{GRAVITY Collaboration}}, title = {Mass distribution in the {Galactic Center} based on interferometric astrometry of multiple stellar orbits}, journal = {Astronomy \& Astrophysics}, volume = {657}, eid = {L12}, pages = {L12}, year = {2022}, doi = {10.1051/0004-6361/202142465}, eprint = {2112.07478}, archivePrefix = {arXiv} } % ---------- Black-hole physics, energy extraction, thermodynamics ---------- @article{BlandfordZnajek1977, author = {Blandford, R. D. and Znajek, R. L.}, title = {Electromagnetic extraction of energy from {Kerr} black holes}, journal = {Monthly Notices of the Royal Astronomical Society}, volume = {179}, pages = {433--456}, year = {1977}, doi = {10.1093/mnras/179.3.433} } @article{Penrose1969, author = {Penrose, Roger}, title = {Gravitational collapse: the role of general relativity}, journal = {Rivista del Nuovo Cimento}, volume = {1}, number = {Numero Speciale}, pages = {252--276}, year = {1969}, note = {Reprinted: Gen. Relativ. Gravit. 34, 1141 (2002)} } @article{PenroseFloyd1971, author = {Penrose, R. and Floyd, R. M.}, title = {Extraction of rotational energy from a black hole}, journal = {Nature Physical Science}, volume = {229}, pages = {177--179}, year = {1971}, doi = {10.1038/physci229177a0} } @article{BardeenPressTeukolsky1972, author = {Bardeen, James M. and Press, William H. and Teukolsky, Saul A.}, title = {Rotating black holes: locally nonrotating frames, energy extraction, and scalar synchrotron radiation}, journal = {The Astrophysical Journal}, volume = {178}, pages = {347--370}, year = {1972}, doi = {10.1086/151796} } @incollection{NovikovThorne1973, author = {Novikov, I. D. and Thorne, K. S.}, title = {Astrophysics of black holes}, booktitle = {Black Holes (Les Houches)}, editor = {DeWitt, C. and DeWitt, B. S.}, publisher = {Gordon and Breach}, address = {New York}, pages = {343--450}, year = {1973} } @article{Thorne1974, author = {Thorne, Kip S.}, title = {Disk-accretion onto a black hole. {II}. {Evolution} of the hole}, journal = {The Astrophysical Journal}, volume = {191}, pages = {507--519}, year = {1974}, doi = {10.1086/152991} } @article{Tchekhovskoy2011, author = {Tchekhovskoy, Alexander and Narayan, Ramesh and McKinney, Jonathan C.}, title = {Efficient generation of jets from magnetically arrested accretion on a rapidly spinning black hole}, journal = {Monthly Notices of the Royal Astronomical Society: Letters}, volume = {418}, pages = {L79--L83}, year = {2011}, doi = {10.1111/j.1745-3933.2011.01147.x}, eprint = {1108.0412}, archivePrefix = {arXiv} } @incollection{Tchekhovskoy2015, author = {Tchekhovskoy, Alexander}, title = {Launching of Active Galactic Nuclei Jets}, booktitle = {The Formation and Disruption of Black Hole Jets}, editor = {Contopoulos, Ioannis and Gabuzda, Denise and Kylafis, Nikolaos}, series = {Astrophysics and Space Science Library}, volume = {414}, publisher = {Springer}, address = {Cham}, pages = {45--82}, year = {2015}, doi = {10.1007/978-3-319-10356-3_3} } @article{ComissoAsenjo2021, author = {Comisso, Luca and Asenjo, Felipe A.}, title = {Magnetic reconnection as a mechanism for energy extraction from rotating black holes}, journal = {Physical Review D}, volume = {103}, eid = {023014}, pages = {023014}, year = {2021}, doi = {10.1103/PhysRevD.103.023014} } @article{Meringolo2025, author = {Meringolo, Claudio and Camilloni, Filippo and Rezzolla, Luciano}, title = {Electromagnetic Energy Extraction from {Kerr} Black Holes: Ab Initio Calculations}, journal = {The Astrophysical Journal Letters}, volume = {992}, eid = {L8}, pages = {L8}, year = {2025}, doi = {10.3847/2041-8213/ae06a6}, eprint = {2507.08942}, archivePrefix = {arXiv} } @article{CamilloniRezzolla2025, author = {Camilloni, Filippo and Rezzolla, Luciano}, title = {Self-consistent multidimensional {Penrose} process driven by magnetic reconnection}, journal = {The Astrophysical Journal Letters}, volume = {982}, eid = {L31}, pages = {L31}, year = {2025}, eprint = {2411.04184}, archivePrefix = {arXiv} } @article{Bekenstein1973, author = {Bekenstein, Jacob D.}, title = {Black holes and entropy}, journal = {Physical Review D}, volume = {7}, pages = {2333--2346}, year = {1973}, doi = {10.1103/PhysRevD.7.2333} } @article{Bekenstein1974, author = {Bekenstein, Jacob D.}, title = {Generalized second law of thermodynamics in black-hole physics}, journal = {Physical Review D}, volume = {9}, pages = {3292--3300}, year = {1974}, doi = {10.1103/PhysRevD.9.3292} } @article{Bekenstein1981, author = {Bekenstein, Jacob D.}, title = {Universal upper bound on the entropy-to-energy ratio for bounded systems}, journal = {Physical Review D}, volume = {23}, pages = {287--298}, year = {1981}, doi = {10.1103/PhysRevD.23.287} } @article{Casini2008, author = {Casini, Horacio}, title = {Relative entropy and the {Bekenstein} bound}, journal = {Classical and Quantum Gravity}, volume = {25}, eid = {205021}, pages = {205021}, year = {2008}, doi = {10.1088/0264-9381/25/20/205021}, eprint = {0804.2182}, archivePrefix = {arXiv} } @article{Hawking1974, author = {Hawking, S. W.}, title = {Black hole explosions?}, journal = {Nature}, volume = {248}, pages = {30--31}, year = {1974}, doi = {10.1038/248030a0} } @article{Hawking1975, author = {Hawking, S. W.}, title = {Particle creation by black holes}, journal = {Communications in Mathematical Physics}, volume = {43}, pages = {199--220}, year = {1975}, doi = {10.1007/BF02345020} } @article{Page1976, author = {Page, Don N.}, title = {Particle emission rates from a black hole: Massless particles from an uncharged, nonrotating hole}, journal = {Physical Review D}, volume = {13}, pages = {198--206}, year = {1976}, doi = {10.1103/PhysRevD.13.198} } @article{Lloyd2000, author = {Lloyd, Seth}, title = {Ultimate physical limits to computation}, journal = {Nature}, volume = {406}, pages = {1047--1054}, year = {2000}, doi = {10.1038/35023282}, eprint = {quant-ph/9908043}, archivePrefix = {arXiv} } @article{Landauer1961, author = {Landauer, R.}, title = {Irreversibility and heat generation in the computing process}, journal = {IBM Journal of Research and Development}, volume = {5}, pages = {183--191}, year = {1961}, doi = {10.1147/rd.53.0183} } @article{Bennett1973, author = {Bennett, C. H.}, title = {Logical reversibility of computation}, journal = {IBM Journal of Research and Development}, volume = {17}, pages = {525--532}, year = {1973}, doi = {10.1147/rd.176.0525} } @article{Bennett1982, author = {Bennett, Charles H.}, title = {The thermodynamics of computation---a review}, journal = {International Journal of Theoretical Physics}, volume = {21}, pages = {905--940}, year = {1982}, doi = {10.1007/BF02084158} } @inproceedings{Toffoli1980, author = {Toffoli, Tommaso}, title = {Reversible computing}, booktitle = {Automata, Languages and Programming (ICALP 1980)}, editor = {de Bakker, J. and van Leeuwen, J.}, series = {Lecture Notes in Computer Science}, volume = {85}, publisher = {Springer}, address = {Berlin, Heidelberg}, pages = {632--644}, year = {1980}, doi = {10.1007/3-540-10003-2_104} } @article{FredkinToffoli1982, author = {Fredkin, Edward and Toffoli, Tommaso}, title = {Conservative logic}, journal = {International Journal of Theoretical Physics}, volume = {21}, pages = {219--253}, year = {1982}, doi = {10.1007/BF01857727} } @article{MargolusLevitin1998, author = {Margolus, Norman and Levitin, Lev B.}, title = {The maximum speed of dynamical evolution}, journal = {Physica D: Nonlinear Phenomena}, volume = {120}, pages = {188--195}, year = {1998}, doi = {10.1016/S0167-2789(98)00054-2}, eprint = {quant-ph/9710043}, archivePrefix = {arXiv} } @article{Frank2002, author = {Frank, Michael P.}, title = {The physical limits of computing}, journal = {Computing in Science \& Engineering}, volume = {4}, number = {3}, pages = {16--26}, year = {2002}, doi = {10.1109/5992.998637} } @article{Athas1994, author = {Athas, W. C. and Svensson, L. J. and Koller, J. G. and Tzartzanis, N. and Chou, E. Y.-C.}, title = {Low-power digital systems based on adiabatic-switching principles}, journal = {IEEE Transactions on Very Large Scale Integration (VLSI) Systems}, volume = {2}, number = {4}, pages = {398--407}, year = {1994}, doi = {10.1109/92.335009} } @article{Bousso2002, author = {Bousso, Raphael}, title = {The holographic principle}, journal = {Reviews of Modern Physics}, volume = {74}, pages = {825--874}, year = {2002}, doi = {10.1103/RevModPhys.74.825}, eprint = {hep-th/0203101}, archivePrefix = {arXiv} } @article{Wolpert2019, author = {Wolpert, David H.}, title = {The stochastic thermodynamics of computation}, journal = {Journal of Physics A: Mathematical and Theoretical}, volume = {52}, eid = {193001}, pages = {193001}, year = {2019}, doi = {10.1088/1751-8121/ab0850} } @article{Parrondo2015, author = {Parrondo, Juan M. R. and Horowitz, Jordan M. and Sagawa, Takahiro}, title = {Thermodynamics of information}, journal = {Nature Physics}, volume = {11}, pages = {131--139}, year = {2015}, doi = {10.1038/nphys3230} } @article{Berut2012, author = {B{\'e}rut, Antoine and Arakelyan, Artak and Petrosyan, Artyom and Ciliberto, Sergio and Dillenschneider, Raoul and Lutz, Eric}, title = {Experimental verification of {Landauer}'s principle linking information and thermodynamics}, journal = {Nature}, volume = {483}, pages = {187--189}, year = {2012}, doi = {10.1038/nature10872} } @book{FrankKingRaine2002, author = {Frank, Juhan and King, Andrew and Raine, Derek}, title = {Accretion Power in Astrophysics}, edition = {3rd}, publisher = {Cambridge University Press}, address = {Cambridge}, year = {2002}, doi = {10.1017/CBO9781139164245} } @book{MTW1973, author = {Misner, Charles W. and Thorne, Kip S. and Wheeler, John Archibald}, title = {Gravitation}, publisher = {W. H. Freeman}, address = {San Francisco}, year = {1973} } @book{ShapiroTeukolsky1983, author = {Shapiro, Stuart L. and Teukolsky, Saul A.}, title = {Black Holes, White Dwarfs, and Neutron Stars: The Physics of Compact Objects}, publisher = {Wiley-Interscience}, address = {New York}, year = {1983}, doi = {10.1002/9783527617661} } @article{AlvarezDominguez2024, author = {{\'A}lvarez-Dom{\'i}nguez, {\'A}lvaro and Garay, Luis J. and Mart{\'i}n-Mart{\'i}nez, Eduardo and Polo-G{\'o}mez, Jos{\'e}}, title = {No Black Holes from Light}, journal = {Physical Review Letters}, volume = {133}, eid = {041401}, pages = {041401}, year = {2024}, doi = {10.1103/PhysRevLett.133.041401}, eprint = {2405.02389}, archivePrefix = {arXiv} } @misc{Loeb2024Comment, author = {Loeb, Abraham}, title = {Comment on ``{No} Black Holes from Light''}, year = {2024}, eprint = {2408.06714}, archivePrefix = {arXiv}, note = {Preprint; reply by original authors at arXiv:2408.11097} } @article{Wheeler1955, author = {Wheeler, John Archibald}, title = {Geons}, journal = {Physical Review}, volume = {97}, pages = {511--536}, year = {1955}, doi = {10.1103/PhysRev.97.511} } @article{BreitWheeler1934, author = {Breit, G. and Wheeler, John A.}, title = {Collision of two light quanta}, journal = {Physical Review}, volume = {46}, pages = {1087--1091}, year = {1934}, doi = {10.1103/PhysRev.46.1087} } @article{Schwinger1951, author = {Schwinger, Julian}, title = {On gauge invariance and vacuum polarization}, journal = {Physical Review}, volume = {82}, pages = {664--679}, year = {1951}, doi = {10.1103/PhysRev.82.664} } @misc{Nathanail2026, author = {Nathanail, Antonios}, title = {Black hole Limits Redefined: Extreme Efficiency in Black Hole Jets}, year = {2026}, eprint = {2602.22824}, archivePrefix = {arXiv}, note = {Preprint, not yet peer-reviewed} } % ---------- Fermi paradox, SETI, transcension-class hypotheses ---------- @article{Smart2012, author = {Smart, John M.}, title = {The transcension hypothesis: Sufficiently advanced civilizations invariably leave our universe, and implications for {METI} and {SETI}}, journal = {Acta Astronautica}, volume = {78}, pages = {55--68}, year = {2012}, doi = {10.1016/j.actaastro.2011.11.006} } @article{Sandberg2016, author = {Sandberg, Anders and Armstrong, Stuart and {\'C}irkovi{\'c}, Milan M.}, title = {That is not dead which can eternal lie: the aestivation hypothesis for resolving {Fermi}'s paradox}, journal = {Journal of the British Interplanetary Society}, volume = {69}, number = {11}, pages = {406--415}, year = {2016}, eprint = {1705.03394}, archivePrefix = {arXiv} } @article{Bennett2019, author = {Bennett, Charles H. and Hanson, Robin and Riedel, C. Jess}, title = {Comment on `{The} Aestivation Hypothesis for Resolving {Fermi}'s Paradox'}, journal = {Foundations of Physics}, volume = {49}, pages = {820--829}, year = {2019}, doi = {10.1007/s10701-019-00289-5}, eprint = {1902.06730}, archivePrefix = {arXiv} } @article{Hanson2021, author = {Hanson, Robin and Martin, Daniel and McCarter, Calvin and Paulson, Jonathan}, title = {If Loud Aliens Explain Human Earliness, Quiet Aliens Are Also Rare}, journal = {The Astrophysical Journal}, volume = {922}, number = {2}, eid = {182}, pages = {182}, year = {2021}, doi = {10.3847/1538-4357/ac2369}, eprint = {2102.01522}, archivePrefix = {arXiv} } @article{Armstrong2013, author = {Armstrong, Stuart and Sandberg, Anders}, title = {Eternity in six hours: Intergalactic spreading of intelligent life and sharpening the {Fermi} paradox}, journal = {Acta Astronautica}, volume = {89}, pages = {1--13}, year = {2013}, doi = {10.1016/j.actaastro.2013.04.002} } @article{Hart1975, author = {Hart, Michael H.}, title = {An Explanation for the Absence of Extraterrestrials on {Earth}}, journal = {Quarterly Journal of the Royal Astronomical Society}, volume = {16}, pages = {128--135}, year = {1975} } @article{Tipler1980, author = {Tipler, Frank J.}, title = {Extraterrestrial intelligent beings do not exist}, journal = {Quarterly Journal of the Royal Astronomical Society}, volume = {21}, pages = {267--281}, year = {1980} } @article{Dyson1960, author = {Dyson, Freeman J.}, title = {Search for Artificial Stellar Sources of Infrared Radiation}, journal = {Science}, volume = {131}, number = {3414}, pages = {1667--1668}, year = {1960}, doi = {10.1126/science.131.3414.1667} } @article{Kardashev1964, author = {Kardashev, Nikolai S.}, title = {Transmission of Information by Extraterrestrial Civilizations}, journal = {Soviet Astronomy}, volume = {8}, pages = {217--221}, year = {1964} } @book{Barrow1998, author = {Barrow, John D.}, title = {Impossibility: The Limits of Science and the Science of Limits}, publisher = {Oxford University Press}, address = {Oxford}, year = {1998}, isbn = {978-0-19-851890-7} } @misc{Bradbury1999, author = {Bradbury, Robert J.}, title = {Matrioshka Brains}, year = {1999}, howpublished = {Unpublished working manuscript, revised through 2001}, note = {Archived at \url{https://gwern.net/doc/ai/scaling/hardware/1999-bradbury-matrioshkabrains.pdf}; mirrored at \url{https://web.archive.org/web/2024/https://gwern.net/doc/ai/scaling/hardware/1999-bradbury-matrioshkabrains.pdf}} } @book{Vidal2014, author = {Vidal, Cl{\'e}ment}, title = {The Beginning and the End: The Meaning of Life in a Cosmological Perspective}, publisher = {Springer}, series = {The Frontiers Collection}, address = {Cham}, year = {2014}, doi = {10.1007/978-3-319-05062-1}, isbn = {978-3-319-05061-4} } @misc{Vidal2011, author = {Vidal, Cl{\'e}ment}, title = {Black Holes: Attractors for Intelligence?}, year = {2011}, eprint = {1104.4362}, archivePrefix = {arXiv}, note = {Presented at the Kavli Royal Society International Centre, ``Towards a scientific and societal agenda on extra-terrestrial life''} } @article{Dvali2023, author = {Dvali, Gia and Osmanov, Zaza N.}, title = {Black holes as tools for quantum computing by advanced extraterrestrial civilizations}, journal = {International Journal of Astrobiology}, volume = {22}, number = {6}, pages = {617--640}, year = {2023}, doi = {10.1017/S1473550423000186}, eprint = {2301.09575}, archivePrefix = {arXiv} } @article{Inoue2011, author = {Inoue, Makoto and Yokoo, Hiromitsu}, title = {Type {III} Dyson Sphere of Highly Advanced Civilisations around a Super Massive Black Hole}, journal = {Journal of the British Interplanetary Society}, volume = {64}, pages = {58--62}, year = {2011}, eprint = {1112.5519}, archivePrefix = {arXiv} } @article{Hsiao2021, author = {Hsiao, Tiger Yu-Yang and Goto, Tomotsugu and Hashimoto, Tetsuya and Santos, Daryl Joe D. and On, Alvina Y. L. and Kilerci-Eser, Ece and Wong, Yi Hang Valerie and Kim, Seong Jin and Wu, Cossas K.-W. and Ho, Simon C.-C. and Lu, Ting-Yi}, title = {A Dyson sphere around a black hole}, journal = {Monthly Notices of the Royal Astronomical Society}, volume = {506}, number = {2}, pages = {1723--1732}, year = {2021}, doi = {10.1093/mnras/stab1832}, eprint = {2106.15181}, archivePrefix = {arXiv} } @article{Wright2020, author = {Wright, Jason T.}, title = {Dyson Spheres}, journal = {Serbian Astronomical Journal}, volume = {200}, pages = {1--18}, year = {2020}, doi = {10.2298/SAJ2000001W}, eprint = {2006.16734}, archivePrefix = {arXiv} } @article{Wright2014, author = {Wright, Jason T. and Mullan, Brendan and Sigurdsson, Steinn and Povich, Matthew S.}, title = {The {\^G} Infrared Search for Extraterrestrial Civilizations with Large Energy Supplies. {I}. {Background} and Justification}, journal = {The Astrophysical Journal}, volume = {792}, number = {1}, eid = {26}, pages = {26}, year = {2014}, doi = {10.1088/0004-637X/792/1/26}, eprint = {1408.1133}, archivePrefix = {arXiv} } @article{Griffith2015, author = {Griffith, Roger L. and Wright, Jason T. and Maldonado, Jessica and Povich, Matthew S. and Sigurdsson, Steinn and Mullan, Brendan}, title = {The {\^G} Infrared Search for Extraterrestrial Civilizations with Large Energy Supplies. {III}. {The} Reddest Extended Sources in {WISE}}, journal = {The Astrophysical Journal Supplement Series}, volume = {217}, number = {2}, eid = {25}, pages = {25}, year = {2015}, doi = {10.1088/0067-0049/217/2/25}, eprint = {1504.03418}, archivePrefix = {arXiv} } @book{Cirkovic2018, author = {{\'C}irkovi{\'c}, Milan M.}, title = {The Great Silence: The Science and Philosophy of {Fermi}'s Paradox}, publisher = {Oxford University Press}, address = {Oxford}, year = {2018}, isbn = {978-0-19-964630-2} } @book{Webb2015, author = {Webb, Stephen}, title = {If the Universe Is Teeming with Aliens\ldots{} Where Is Everybody? Seventy-Five Solutions to the {Fermi} Paradox and the Problem of Extraterrestrial Life}, edition = {2}, publisher = {Springer}, series = {Science and Fiction}, address = {Cham}, year = {2015}, isbn = {978-3-319-13235-8} } @book{Freitas1982, editor = {Freitas, Jr., Robert A. and Gilbreath, William P.}, title = {Advanced Automation for Space Missions}, series = {NASA Conference Publication}, number = {2255}, publisher = {NASA}, note = {Edited volume; proceedings of the 1980 NASA/ASEE Summer Study, University of Santa Clara}, year = {1982} } @article{Freitas1980, author = {Freitas, Jr., Robert A.}, title = {A Self-Reproducing Interstellar Probe}, journal = {Journal of the British Interplanetary Society}, volume = {33}, pages = {251--264}, year = {1980} } @article{Lubin2016, author = {Lubin, Philip}, title = {A Roadmap to Interstellar Flight}, journal = {Journal of the British Interplanetary Society}, volume = {69}, pages = {40--72}, year = {2016}, eprint = {1604.01356}, archivePrefix = {arXiv} } @misc{AmaroSeoane2017, author = {Amaro-Seoane, Pau and others}, title = {Laser Interferometer Space Antenna}, year = {2017}, eprint = {1702.00786}, archivePrefix = {arXiv}, note = {LISA L3 mission proposal submitted to ESA} } @misc{Colpi2024, author = {Colpi, Monica and others}, title = {{LISA} Definition Study Report}, year = {2024}, eprint = {2402.07571}, archivePrefix = {arXiv}, note = {ESA-SCI-DIR-RP-002} } @article{Babak2017, author = {Babak, Stanislav and Gair, Jonathan and Sesana, Alberto and Barausse, Enrico and Sopuerta, Carlos F. and Berry, Christopher P. L. and Berti, Emanuele and Amaro-Seoane, Pau and Petiteau, Antoine and Klein, Antoine}, title = {Science with the space-based interferometer {LISA}. {V}. {Extreme} mass-ratio inspirals}, journal = {Physical Review D}, volume = {95}, number = {10}, eid = {103012}, pages = {103012}, year = {2017}, doi = {10.1103/PhysRevD.95.103012}, eprint = {1703.09722}, archivePrefix = {arXiv} } @article{IceCubePS2020, author = {Aartsen, M. G. and others}, title = {Time-integrated Neutrino Source Searches with 10 Years of {IceCube} Data}, journal = {Physical Review Letters}, volume = {124}, eid = {051103}, pages = {051103}, year = {2020}, doi = {10.1103/PhysRevLett.124.051103}, eprint = {1910.08488}, archivePrefix = {arXiv} } @article{IceCube2022, author = {Abbasi, R. and others}, title = {Improved Characterization of the Astrophysical Muon-neutrino Flux with 9.5 Years of {IceCube} Data}, journal = {The Astrophysical Journal}, volume = {928}, number = {1}, eid = {50}, pages = {50}, year = {2022}, doi = {10.3847/1538-4357/ac4d29}, eprint = {2111.10299}, archivePrefix = {arXiv} } @article{AdrianMartinez2016, author = {Adri{\'a}n-Mart{\'i}nez, S. and others}, title = {Letter of intent for {KM3NeT} 2.0}, journal = {Journal of Physics G: Nuclear and Particle Physics}, volume = {43}, number = {8}, eid = {084001}, pages = {084001}, year = {2016}, doi = {10.1088/0954-3899/43/8/084001}, eprint = {1601.07459}, archivePrefix = {arXiv} } @article{KM3NeT2025, author = {{The KM3NeT Collaboration}}, title = {Observation of an ultra-high-energy cosmic neutrino with {KM3NeT}}, journal = {Nature}, volume = {638}, number = {8050}, pages = {376--382}, year = {2025}, doi = {10.1038/s41586-024-08543-1} } @article{Huang2026, author = {Huang, Bo-Lun and Tao, Zhen-Zhao and Zhang, Tong-Jie and Gajjar, Vishal}, title = {The {FAST-SETI} {Milky Way} Globular Cluster Survey. {I}. {A} Pilot Multibeam On-the-fly Search of Five Globular Clusters at the {L} Band}, journal = {The Astronomical Journal}, volume = {171}, number = {1}, eid = {51}, pages = {51}, year = {2026}, doi = {10.3847/1538-3881/ae2470}, eprint = {2511.21085}, archivePrefix = {arXiv} } @article{Wright2022, author = {Wright, Jason T. and Haqq-Misra, Jacob and Frank, Adam and Kopparapu, Ravi and Lingam, Manasvi and Sheikh, Sofia Z.}, title = {The Case for Technosignatures: Why They May Be Abundant, Long-lived, Highly Detectable, and Unambiguous}, journal = {The Astrophysical Journal Letters}, volume = {927}, number = {2}, eid = {L30}, pages = {L30}, year = {2022}, doi = {10.3847/2041-8213/ac5824}, eprint = {2203.10899}, archivePrefix = {arXiv} } @article{SocasNavarro2021, author = {Socas-Navarro, Hector and Haqq-Misra, Jacob and Wright, Jason T. and Kopparapu, Ravi and Benford, James and Davis, Ross and {TechnoClimes 2020 workshop participants}}, title = {Concepts for future missions to search for technosignatures}, journal = {Acta Astronautica}, volume = {182}, pages = {446--453}, year = {2021}, doi = {10.1016/j.actaastro.2021.02.029}, eprint = {2103.01536}, archivePrefix = {arXiv} } @article{Tarter2001, author = {Tarter, Jill}, title = {The Search for Extraterrestrial Intelligence ({SETI})}, journal = {Annual Review of Astronomy and Astrophysics}, volume = {39}, pages = {511--548}, year = {2001}, doi = {10.1146/annurev.astro.39.1.511} } @misc{Lacki2025, author = {Lacki, Brian C. and DiKerby, Stephen}, title = {Possibilities for {SETI} at High Energy}, year = {2025}, eprint = {2506.16351}, archivePrefix = {arXiv}, note = {White paper submitted to the 2025 NASA DARES RFI} } @book{Lingam2021, author = {Lingam, Manasvi and Loeb, Abraham}, title = {Life in the Cosmos: From Biosignatures to Technosignatures}, publisher = {Harvard University Press}, address = {Cambridge, MA}, year = {2021}, isbn = {978-0-674-98757-9} } @book{Forgan2019, author = {Forgan, Duncan H.}, title = {Solving {Fermi}'s Paradox}, publisher = {Cambridge University Press}, series = {Cambridge Astrobiology}, address = {Cambridge}, year = {2019}, isbn = {978-1-107-16365-2}, doi = {10.1017/9781316681510} } @article{Curtis2026DysonMinds, author = {Curtis, Olivia and Adams, V. H. and Angerhausen, Daniel and Bates, J. and Berea, Anamaria and Dick, Steven J. and Elvis, Martin and Khatri, S. P. and Linares, Richard and Muco, M. and Seager, Sara and Wright, Jason T.}, title = {The {Dyson Minds} 2025 Workshop: {SETI} around Black Holes}, journal = {Publications of the Astronomical Society of the Pacific}, volume = {138}, pages = {046001}, year = {2026}, doi = {10.1088/1538-3873/ae5a02}, eprint = {2604.21886}, archivePrefix = {arXiv} } @article{Huang2026Crystallization, author = {Huang, Bo-Lun and Tao, Zhen-Zhao and Zhang, Tong-Jie}, title = {Phase-Space Crystallization in {Galactic} Globular Clusters: A {Gaia}-Based Metric and Implications for Technosignature Searches}, journal = {The Astrophysical Journal}, note = {Accepted}, year = {2026}, eprint = {2605.06072}, archivePrefix = {arXiv} } @article{Whitaker2026BH2, author = {Whitaker, Matthew and Kerr, Evan and Seth, Anil and H{\"a}berle, Maximilian and Strader, Jay and Anderson, Jay and Bellini, Andrea and Clontz, Callie and Freeman, Zack and Griggio, Massimo and Kamann, Sebastian and Libralato, Mattia and Neumayer, Nadine and Gonz{\'a}lez Prieto, Elena and Rodriguez, Carl L. and Saracino, Sara and Smith, Peter and van de Ven, Glenn and Wang, Zixian}, title = {A Long Period Stellar-Mass Black Hole Binary in $\omega$ {Centauri}}, journal = {The Astrophysical Journal Letters}, year = {2026}, doi = {10.3847/2041-8213/ae7a5c}, eprint = {2606.18350}, archivePrefix = {arXiv} } @article{CirkovicBradbury2006, author = {{\'C}irkovi{\'c}, Milan M. and Bradbury, Robert J.}, title = {Galactic gradients, postbiological evolution and the apparent failure of {SETI}}, journal = {New Astronomy}, volume = {11}, number = {8}, pages = {628--639}, year = {2006}, doi = {10.1016/j.newast.2006.04.003}, eprint = {astro-ph/0506110}, archivePrefix = {arXiv} } @article{Opatrny2017, author = {Opatrn{\'y}, Tom{\'a}{\v s} and Richterek, Luk{\'a}{\v s} and Bakala, Pavel}, title = {Life under a black sun}, journal = {American Journal of Physics}, volume = {85}, number = {1}, pages = {14--22}, year = {2017}, doi = {10.1119/1.4966905}, eprint = {1601.02897}, archivePrefix = {arXiv} } @article{Haggard2013, author = {Haggard, Daryl and Cool, Adrienne M. and Heinke, Craig O. and van der Marel, Roeland and Cohn, Haldan N. and Lugger, Phyllis M. and Anderson, Jay}, title = {A Deep {Chandra} {X}-ray Limit on the Putative {IMBH} in {Omega} {Centauri}}, journal = {The Astrophysical Journal Letters}, volume = {773}, eid = {L31}, pages = {L31}, year = {2013}, doi = {10.1088/2041-8205/773/2/L31}, eprint = {1307.6217}, archivePrefix = {arXiv} } @misc{Ivliev2026, author = {Ivliev, Sergey}, title = {Autonomous {AI}-Cosmoindustry and the Quiet Expansion Filter: A Threshold-Based Resolution of the {Fermi} Paradox}, year = {2026}, eprint = {2606.13914}, archivePrefix = {arXiv} } @misc{Crawford2026, author = {Crawford, Ian A.}, title = {Some Thoughts on the Future of Technosignature Searches: Constraining the {Fermi} Paradox}, year = {2026}, note = {To appear in Proceedings of IAU Symposium 404}, eprint = {2606.00463}, archivePrefix = {arXiv} } @article{Chen2025MiniPTA, author = {Chen, Xian and V{\'a}zquez-Aceves, Ver{\'o}nica and Chen, Siyuan and Lee, Kejia and Guo, Yuxiang and Liu, Kuo}, title = {Detecting Intermediate-mass Black Holes Using Miniature Pulsar Timing Arrays in Globular Clusters}, journal = {arXiv e-prints}, pages = {arXiv:2507.08201}, year = {2025}, eprint = {2507.08201}, archivePrefix = {arXiv} } @article{Souza2026oMEGACatX, author = {Souza, Stefano and Neumayer, Nadine and Seth, Anil C. and Wang, Zixian and Clontz, Callie and H{\"a}berle, Maximilian and Nitschai, Maria S. and Smith, Peter J. and Matsuno, Tadafumi and others}, title = {{oMEGACat}. {X}. Shedding light on the disrupted dwarf galaxy of {Omega Centauri}}, journal = {arXiv e-prints}, pages = {arXiv:2603.23589}, note = {Submitted to ApJ}, year = {2026}, eprint = {2603.23589}, archivePrefix = {arXiv} } @article{ColomiBernadich2026, author = {Colom i Bernadich, Miquel and Dai, Shi and Abbate, Federico and Kerr, Matthew and Bachetti, Matteo and Buchner, Sarah and Johnston, Simon and Burgay, Marta and Possenti, Andrea and Ridolfi, Alessandro and Freire, Paulo C. C. and Kramer, Michael and Stappers, Benjamin and others}, title = {A joint {MeerKAT} and {Parkes} view of {Omega Centauri}: New {TRAPUM} Searches and Pulsar Timing}, journal = {arXiv e-prints}, pages = {arXiv:2603.21845}, note = {Under review}, year = {2026}, eprint = {2603.21845}, archivePrefix = {arXiv} } @misc{Swanson2026Engineered, author = {Swanson, Tim}, title = {Engineered Intermediate-Mass Black Hole Systems: Infrastructure Constraints, Observable Residue, and a Multi-Messenger Adjudication Framework}, year = {2026}, note = {Preprint; omegacentauri.me} } % ---------- Referee-B pass additions (2026-07-23) ---------- % -- Dyson-sphere waste-heat searches and the Hephaistos episode -- @article{Suazo2022, author = {Suazo, Mat{\'i}as and Zackrisson, Erik and Korn, Andreas J. and others}, title = {Project {Hephaistos} -- {I}. Upper limits on partial {Dyson} spheres in the {Milky Way}}, journal = {Monthly Notices of the Royal Astronomical Society}, volume = {512}, pages = {2988--3000}, year = {2022}, doi = {10.1093/mnras/stac280}, eprint = {2203.10896}, archivePrefix = {arXiv} } @article{Suazo2024, author = {Suazo, Mat{\'i}as and Zackrisson, Erik and Mahto, Priyatam K. and Lundell, Fabian and Nettelblad, Carl and Korn, Andreas J. and Wright, Jason T. and Majumdar, Suman}, title = {Project {Hephaistos} -- {II}. {Dyson} sphere candidates from {Gaia} {DR3}, {2MASS}, and {WISE}}, journal = {Monthly Notices of the Royal Astronomical Society}, volume = {531}, pages = {695--707}, year = {2024}, doi = {10.1093/mnras/stae1186}, eprint = {2405.02927}, archivePrefix = {arXiv} } @article{Ren2024, author = {Ren, Tongtian and Garrett, Michael A. and Siemion, Andrew P. V.}, title = {Background Contamination of the {Project} {Hephaistos} {Dyson} Spheres Candidates}, journal = {Research Notes of the AAS}, volume = {8}, number = {5}, eid = {145}, pages = {145}, year = {2024}, doi = {10.3847/2515-5172/ad5017}, eprint = {2405.14921}, archivePrefix = {arXiv} } @misc{Blain2024, author = {Blain, Andrew W.}, title = {Did {WISE} detect {Dyson} Spheres/Structures around {Gaia}-{2MASS}-selected stars?}, year = {2024}, note = {Submitted to MNRAS}, eprint = {2409.11447}, archivePrefix = {arXiv} } @article{Ren2025, author = {Ren, Tongtian and Garrett, Michael A. and Siemion, Andrew P. V. and others}, title = {High-resolution imaging of the radio source associated with {Project} {Hephaistos} {Dyson} Sphere Candidate {G}}, journal = {Monthly Notices of the Royal Astronomical Society: Letters}, volume = {538}, pages = {L56--L61}, year = {2025}, eprint = {2501.05152}, archivePrefix = {arXiv} } @article{DiStefano2016, author = {Di Stefano, Rosanne and Ray, Alak}, title = {Globular Clusters as Cradles of Life and Advanced Civilizations}, journal = {The Astrophysical Journal}, volume = {827}, eid = {54}, pages = {54}, year = {2016}, doi = {10.3847/0004-637X/827/1/54}, eprint = {1601.03455}, archivePrefix = {arXiv} } % -- IMBH formation, retention, and spin (Paper A / mth-paper) -- @article{Baumgardt2019, author = {Baumgardt, Holger and He, Chengyuan and Sweet, Sarah M. and Drinkwater, Michael and Sollima, Antonio and Hurley, Jarrod and Usher, Christopher and Kamann, Sebastian and Dalgleish, Hannah and Dreizler, Stefan and Husser, Tim-Oliver}, title = {No evidence for intermediate-mass black holes in the globular clusters {$\omega$} {Cen} and {NGC} 6624}, journal = {Monthly Notices of the Royal Astronomical Society}, volume = {488}, pages = {5340--5351}, year = {2019}, doi = {10.1093/mnras/stz2060}, eprint = {1907.10845}, archivePrefix = {arXiv} } @article{Fujii2024, author = {Fujii, Michiko S. and Wang, Long and Tanikawa, Ataru and Hirai, Yutaka and Saitoh, Takayuki R.}, title = {Simulations predict intermediate-mass black hole formation in globular clusters}, journal = {Science}, volume = {384}, pages = {1488--1492}, year = {2024}, doi = {10.1126/science.adi4211}, eprint = {2406.06772}, archivePrefix = {arXiv} } @article{Strokov2022, author = {Strokov, Vladimir and Fragione, Giacomo and Wong, Kaze W. K. and Helfer, Thomas and Berti, Emanuele}, title = {Hunting for intermediate-mass black holes with {LISA} binary radial velocity measurements}, journal = {Physical Review D}, volume = {105}, eid = {124048}, pages = {124048}, year = {2022}, doi = {10.1103/PhysRevD.105.124048}, eprint = {2205.03405}, archivePrefix = {arXiv} } @article{Reynolds2021, author = {Reynolds, Christopher S.}, title = {Observational Constraints on Black Hole Spin}, journal = {Annual Review of Astronomy and Astrophysics}, volume = {59}, pages = {117--154}, year = {2021}, doi = {10.1146/annurev-astro-112420-035022}, eprint = {2011.08948}, archivePrefix = {arXiv} } @article{Kiziltan2017, author = {K{\i}z{\i}ltan, B{\"u}lent and Baumgardt, Holger and Loeb, Abraham}, title = {An intermediate-mass black hole in the centre of the globular cluster 47 {Tucanae}}, journal = {Nature}, volume = {542}, pages = {203--205}, year = {2017}, doi = {10.1038/nature21361} } @article{Mann2019, author = {Mann, Christopher R. and Richer, Harvey and Heyl, Jeremy and Anderson, Jay and Kalirai, Jason and Caiazzo, Ilaria and M{\"o}hle, Swantje and Knee, Alan and Baumgardt, Holger}, title = {A Multimass Velocity Dispersion Model of 47 {Tucanae} Indicates No Evident Black Hole in the Cluster Core}, journal = {The Astrophysical Journal}, volume = {875}, eid = {1}, pages = {1}, year = {2019}, doi = {10.3847/1538-4357/ab0e6d}, eprint = {1807.03307}, archivePrefix = {arXiv} } @article{Martinez2026, author = {Martinez, Miguel A. S. and Gonz{\'a}lez Prieto, Elena and Rasio, Frederic A.}, title = {Survival Analysis of Intermediate-Mass Black Holes in Dense Star Clusters}, journal = {arXiv e-prints}, pages = {arXiv:2602.23431}, note = {Submitted to ApJ}, year = {2026}, eprint = {2602.23431}, archivePrefix = {arXiv} } @article{Tremou2018, author = {Tremou, Evangelia and Strader, Jay and Chomiuk, Laura and Shishkovsky, Laura and Maccarone, Thomas J. and Miller-Jones, James C. A. and others}, title = {The {MAVERIC} Survey: Still No Evidence for Accreting Intermediate-mass Black Holes in Globular Clusters}, journal = {The Astrophysical Journal}, volume = {862}, eid = {16}, pages = {16}, year = {2018}, doi = {10.3847/1538-4357/aac9b9}, eprint = {1806.00259}, archivePrefix = {arXiv} } % ---- Referee 3/4 round additions (2026-07-30) ---- @book{ThornePriceMacdonald1986, author = {Thorne, Kip S. and Price, Richard H. and Macdonald, Douglas A.}, title = {Black Holes: The Membrane Paradigm}, publisher = {Yale University Press}, address = {New Haven}, year = {1986}, isbn = {978-0-300-03770-3} } @book{Thorne1994, author = {Thorne, Kip S.}, title = {Black Holes and Time Warps: Einstein's Outrageous Legacy}, publisher = {W. W. Norton}, address = {New York}, year = {1994}, isbn = {978-0-393-31276-8} } @book{FrolovNovikov1998, author = {Frolov, Valeri P. and Novikov, Igor D.}, title = {Black Hole Physics: Basic Concepts and New Developments}, publisher = {Kluwer Academic}, address = {Dordrecht}, year = {1998}, isbn = {978-0-7923-5145-0} } @article{Christodoulou1970, author = {Christodoulou, Demetrios}, title = {Reversible and Irreversible Transformations in Black-Hole Physics}, journal = {Physical Review Letters}, volume = {25}, pages = {1596--1597}, year = {1970}, doi = {10.1103/PhysRevLett.25.1596} } @article{ChristodoulouRuffini1971, author = {Christodoulou, Demetrios and Ruffini, Remo}, title = {Reversible Transformations of a Charged Black Hole}, journal = {Physical Review D}, volume = {4}, pages = {3552--3555}, year = {1971}, doi = {10.1103/PhysRevD.4.3552} } @article{BahcallWolf1976, author = {Bahcall, John N. and Wolf, Richard A.}, title = {Star distribution around a massive black hole in a globular cluster}, journal = {The Astrophysical Journal}, volume = {209}, pages = {214--232}, year = {1976}, doi = {10.1086/154711} } @article{BahcallWolf1977, author = {Bahcall, John N. and Wolf, Richard A.}, title = {The star distribution around a massive black hole in a globular cluster. II. Unequal star masses}, journal = {The Astrophysical Journal}, volume = {216}, pages = {883--907}, year = {1977}, doi = {10.1086/155534} } @article{YuanNarayan2014, author = {Yuan, Feng and Narayan, Ramesh}, title = {Hot Accretion Flows Around Black Holes}, journal = {Annual Review of Astronomy and Astrophysics}, volume = {52}, pages = {529--588}, year = {2014}, doi = {10.1146/annurev-astro-082812-141003} } @article{BlandfordBegelman1999, author = {Blandford, Roger D. and Begelman, Mitchell C.}, title = {On the fate of gas accreting at a low rate on to a black hole}, journal = {Monthly Notices of the Royal Astronomical Society}, volume = {303}, pages = {L1--L5}, year = {1999}, doi = {10.1046/j.1365-8711.1999.02358.x} } @article{BarausseCardosoPani2014, author = {Barausse, Enrico and Cardoso, Vitor and Pani, Paolo}, title = {Can environmental effects spoil precision gravitational-wave astrophysics?}, journal = {Physical Review D}, volume = {89}, pages = {104059}, year = {2014}, doi = {10.1103/PhysRevD.89.104059}, eprint = {1404.7149} } @incollection{Criswell1985, author = {Criswell, David R.}, title = {Solar System Industrialization: Implications for Interstellar Migrations}, booktitle = {Interstellar Migration and the Human Experience}, editor = {Finney, Ben R. and Jones, Eric M.}, publisher = {University of California Press}, address = {Berkeley}, pages = {50--87}, year = {1985} } @article{Matloff2017, author = {Matloff, Gregory L.}, title = {Star Lifting: An Application for Alien Megastructures}, journal = {Journal of the British Interplanetary Society}, volume = {70}, pages = {458--460}, year = {2017} } @article{ScogginsKipping2023, author = {Scoggins, Matthew T. and Kipping, David}, title = {Lazarus stars: numerical investigations of stellar evolution with star-lifting as a life extension strategy}, journal = {Monthly Notices of the Royal Astronomical Society}, volume = {523}, pages = {3251--3257}, year = {2023}, doi = {10.1093/mnras/stad1617}, eprint = {2210.02338} } @article{Cirkovic2008, author = {{\'C}irkovi{\'c}, Milan M.}, title = {Against the Empire}, journal = {Journal of the British Interplanetary Society}, volume = {61}, pages = {246--254}, year = {2008}, eprint = {0805.1821} } @article{Sandberg1999, author = {Sandberg, Anders}, title = {The Physics of Information Processing Superobjects: Daily Life Among the Jupiter Brains}, journal = {Journal of Evolution and Technology}, volume = {5}, pages = {1--34}, year = {1999} } @inproceedings{Omohundro2008, author = {Omohundro, Stephen M.}, title = {The Basic AI Drives}, booktitle = {Proceedings of the First AGI Conference (AGI-08)}, editor = {Wang, Pei and Goertzel, Ben and Franklin, Stan}, publisher = {IOS Press}, pages = {483--492}, year = {2008} } @article{Bostrom2012, author = {Bostrom, Nick}, title = {The Superintelligent Will: Motivation and Instrumental Rationality in Advanced Artificial Agents}, journal = {Minds and Machines}, volume = {22}, pages = {71--85}, year = {2012}, doi = {10.1007/s11023-012-9281-3} } @inproceedings{BensonTilsenSoares2016, author = {Benson-Tilsen, Tsvi and Soares, Nate}, title = {Formalizing Convergent Instrumental Goals}, booktitle = {AAAI Workshop on AI, Ethics, and Society}, year = {2016} } @book{DixitPindyck1994, author = {Dixit, Avinash K. and Pindyck, Robert S.}, title = {Investment under Uncertainty}, publisher = {Princeton University Press}, address = {Princeton}, year = {1994}, isbn = {978-0-691-03410-2} } @article{McDonaldSiegel1986, author = {McDonald, Robert and Siegel, Daniel}, title = {The Value of Waiting to Invest}, journal = {The Quarterly Journal of Economics}, volume = {101}, pages = {707--727}, year = {1986}, doi = {10.2307/1884175} } @misc{Hooper2018, author = {Hooper, Dan}, title = {Life Versus Dark Energy: How An Advanced Civilization Could Resist the Accelerating Expansion of the Universe}, year = {2018}, note = {arXiv:1806.05203} } @misc{Ord2021, author = {Ord, Toby}, title = {The Edges of Our Universe}, year = {2021}, note = {arXiv:2104.01191} } @article{RauchTremaine1996, author = {Rauch, Kevin P. and Tremaine, Scott}, title = {Resonant relaxation in stellar systems}, journal = {New Astronomy}, volume = {1}, pages = {149--170}, year = {1996}, doi = {10.1016/S1384-1076(96)00012-7} } @incollection{Frank2017, author = {Frank, Michael P.}, title = {Foundations of Generalized Reversible Computing}, booktitle = {Reversible Computation (RC 2017), Lecture Notes in Computer Science 10301}, publisher = {Springer}, pages = {19--34}, year = {2017}, doi = {10.1007/978-3-319-59936-6_2} } @article{CordesLazioSagan1997, author = {Cordes, James M. and Lazio, T. Joseph W. and Sagan, Carl}, title = {Scintillation-induced Intermittency in SETI}, journal = {The Astrophysical Journal}, volume = {487}, pages = {782--808}, year = {1997}, doi = {10.1086/304620} }