{"total":16,"items":[{"citing_arxiv_id":"2605.23538","ref_index":55,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Scalable Dark Siren Cosmology with gwcosmo: GPU Acceleration, Validation and Systematics","primary_cat":"astro-ph.CO","submitted_at":"2026-05-22T12:00:07+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"GPU-accelerated gwcosmo enables 1000x faster dark-siren cosmological analyses for large GW catalogs.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.20112","ref_index":61,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Gravitational-wave constraints on $H_0$ are robust to (putative) redshift evolution in the binary black hole mass spectrum at current sensitivity","primary_cat":"astro-ph.CO","submitted_at":"2026-05-19T16:59:39+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Spectral-siren H0 constraints from GWTC-4.0 binary black holes remain robust when the mass spectrum is permitted to evolve with redshift at current detector sensitivity.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.11703","ref_index":201,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"GW240925 and GW250207: Astrophysical Calibration of Gravitational-wave Detectors","primary_cat":"gr-qc","submitted_at":"2026-05-12T07:58:35+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":8.0,"formal_verification":"none","one_line_summary":"The first informative astrophysical calibration of gravitational-wave detectors is reported using GW240925 and GW250207.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"neutron star-black hole systems with advanced ground based gravitational wave detectors, Phys. Rev. D90, 082004 (2014), arXiv:1405.6731 [gr-qc]. [200] B. P. Abbottet al.(LIGO Scientific Collaboration, Virgo Col- laboration), GW150914: First results from the search for bi- nary black hole coalescence with Advanced LIGO, Phys. Rev. D93, 122003 (2016), arXiv:1602.03839 [gr-qc]. [201] R. Essicket al., Compact binary coalescence sensitivity es- timates with injection campaigns during the LIGO-Virgo- KAGRA Collaborations' fourth observing run, Phys. Rev. D 112, 102001 (2025), arXiv:2508.10638 [gr-qc]. [202] L. Blanchet, T. Damour, B. R. Iyer, C. M. Will, and A. G. Wiseman, Gravitational radiation damping of compact binary systems to second postNewtonian order, Phys."},{"citing_arxiv_id":"2605.11274","ref_index":19,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"End-to-End Population Inference from Gravitational-Wave Strain using Transformers","primary_cat":"gr-qc","submitted_at":"2026-05-11T21:54:39+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Dingo-Pop uses a transformer to perform amortized, end-to-end population inference from GW strain data in seconds, bypassing per-event Monte Carlo sampling.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"Monte Carlo estimates, introducing uncertainty in the like- lihood computation. For the numerator, single-event PE samples computed under a fiducial prior are reweighted to the population prior ppop(θ| Λ). Meanwhile, the selection function in the denominator is evaluated by importance sampling from a set of simulated events passing a detec- tion threshold [ 19, 20]. Due to finite sample sizes, the Monte Carlo variance in the estimate of the log population likelihood can scale as badly asN 2 [9-12]. A separate problem is that standard analyses require evaluating ppop(θ| Λ), which makes it difficult to com- pare observations directly to astrophysical simulations without utilizing surrogate models [ 21-27]."},{"citing_arxiv_id":"2604.15885","ref_index":69,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Gravitational-wave astronomy requires population-informed parameter estimation","primary_cat":"gr-qc","submitted_at":"2026-04-17T09:31:16+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Population-informed hierarchical parameter estimation is required for unbiased astrophysical interpretation of gravitational-wave events rather than using standard individual posteriors with reference priors.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"06503 [gr-qc]. [66] A. Ramos-Buades, A. Buonanno, H. Estell' es, M. Khalil, D. P. Mihaylov, S. Ossokine, L. Pompili, and M. Shiferaw, Phys. Rev. D108, 124037 (2023), arXiv:2303.18046 [gr-qc]. [67] S. Ossokineet al., Phys. Rev. D102, 044055 (2020), arXiv:2004.09442 [gr-qc]. [68] M. Mould, github.com/mdmould/gwax, doi.org/10.5281/zenodo.12770127 (2026). [69] R. Essicket al., Phys. Rev. D112, 102001 (2025), arXiv:2508.10638 [gr-qc]. [70] V. Tiwari, Class. Quantum Grav.35, 145009 (2018), arXiv:1712.00482 [astro-ph.HE]. [71] G. Ashtonet al., Astrophys. J. Supp. S.241, 27 (2019), arXiv:1811.02042 [astro-ph.IM]. [72] J. S. Speagle, Mon. Not. R. Astron. Soc.493, 3132 (2020), arXiv:1904.02180 [astro-ph.IM]."},{"citing_arxiv_id":"2604.14290","ref_index":70,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Emergent structure in the binary black hole mass distribution and implications for population-based cosmology","primary_cat":"gr-qc","submitted_at":"2026-04-15T18:00:03+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"B-spline agnostic reconstruction of binary black hole masses from GWTC-4.0 reveals multiple features and a logarithmic hierarchy that impacts Hubble constant measurements, with a low-mass subpopulation isolation method to mitigate systematics.","context_count":1,"top_context_role":"dataset","top_context_polarity":"use_dataset","context_text":"Williams, John Veitch, and Chris Mes- senger, \"Importance nested sampling with normalis- ing flows,\" Mach. Learn. Sci. Tech.4, 035011 (2023), arXiv:2302.08526 [astro-ph.IM]. [69] LIGO Scientific Collaboration, Virgo Collaboration, and KAGRA Collaboration, \"Gwtc-4.0 cumulative search sensitivity estimates,\"https://zenodo.org/records/ 16740128(2025). [70] Reed Essicket al., \"Compact Binary Coalescence Sensi- tivity Estimates with Injection Campaigns during the LIGO-Virgo-KAGRA Collaborations' Fourth Observing Run,\" (2025), arXiv:2508.10638 [gr-qc]. [71] Will M. Farr, \"Accuracy Requirements for Empirically- Measured Selection Functions,\" Research Notes of the AAS3, 66 (2019), arXiv:1904.10879 [astro-ph."},{"citing_arxiv_id":"2604.07456","ref_index":108,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Second-Generation Mass Peak in the Gravitational-Wave Population as a Probe of Globular Clusters","primary_cat":"astro-ph.HE","submitted_at":"2026-04-08T18:00:38+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Dynamical formation in globular clusters produces a robust second black-hole mass peak at ~70 solar masses from second-generation mergers when the first-generation spectrum is truncated by pair-instability supernovae.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Virgo during the first half of the third observing run, Phys. Rev. D109, 022001 (2024), arXiv:2108.01045 [gr- qc]. [107] The LIGO Scientific Collaboration, Virgo Collabora- tion, and KAGRA Collaboration, GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo Dur- ing the Second Part of the Third Observing Run - O1+O2+O3 Search Sensitivity Estimates, 10.5281/zen- odo.5636816 (2021). [108] R. Essick, M. W. Coughlin, M. Zevin, D. Chatterjee, T. A. Clarke, S. Colloms, U. Mali, S. Miller, N. Steinle, P. Baral,et al., Compact binary coalescence sensitivity estimates with injection campaigns during the LIGO- Virgo-KAGRA Collaborations' fourth observing run, Phys. Rev. D112, 102001 (2025), arXiv:2508.10638 [gr- qc]. [109] R. Essick and W."},{"citing_arxiv_id":"2604.06090","ref_index":132,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Posterior Predictive Checks for Gravitational-wave Populations: Limitations and Improvements","primary_cat":"gr-qc","submitted_at":"2026-04-07T17:03:44+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Maximum-likelihood-based posterior predictive checks detect model misspecification better than event-level versions for uncertain spin tilts, but current detector sensitivity limits their power; the Gaussian Component Spins model underpredicts high spin magnitudes and overpredicts anti-aligned tilts","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"istry of Education, Culture, Sports, Science and Tech- nology (MEXT), Japan Society for the Promotion of Science (JSPS) in Japan; National Research Founda- tion (NRF) and Ministry of Science and ICT (MSIT) in Korea; Academia Sinica (AS) and National Science and Technology Council (NSTC) in Taiwan. Software:emcee[128],bilby[97],dynesty[96], cogwheel[111-113],LALSuite[129],numpy[130], scipy[131],h5py[132],h5ify[133],matplotlib[134], seaborn[135],pandas[136, 137],astropy[138, 139]. Appendix A: Simulated Population and Inference We use the simulatedLowSpinAlignedpopulation from Milleret al.[36] as the basis for probing the efficacy of various posterior predictive checking methods throughout this work. The population's bimodal cosθdistribu- tion allows for probing model mismatch with a (unimodal) Gaussian tilt model."},{"citing_arxiv_id":"2603.25084","ref_index":112,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Particle motions and gravitational waveforms in rotating black hole spacetimes of loop quantum gravity","primary_cat":"gr-qc","submitted_at":"2026-03-26T06:38:36+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"The LQG parameter ξ enlarges equatorial bound orbit energy ranges, confines off-equatorial trajectories, and produces larger deviations from Kerr waveforms in EMRI models for two rotating LQG black holes, though signals fall below detector sensitivities.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"(2025), arXiv:2508.18082 [gr-qc]. [110] W.-T. Ni, ASTROD-GW: Overview and Progress, Int. J. Mod. Phys. D22, 1341004 (2013), arXiv:1212.2816 [astro-ph.IM]. [111] T. Ishikawaet al., Improvement of the target sensitivity in DECIGO by optimizing its parameters for quantum noise including the effect of diffraction loss, Galaxies9, 14 (2021), arXiv:2012.11859 [gr-qc]. [112] P. C. Peters and J. Mathews, Gravitational radiation from point masses in a Keplerian orbit, Phys. Rev.131, 435 (1963). [113] P. C. Peters, Gravitational Radiation and the Motion of Two Point Masses, Phys. Rev.136, B1224 (1964). [114] F. D. Ryan, Effect of gravitational radiation reaction on circular orbits around a spinning black hole, Phys. Rev."},{"citing_arxiv_id":"2602.11282","ref_index":94,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Measurement prospects for the pair-instability mass cutoff with gravitational waves","primary_cat":"astro-ph.HE","submitted_at":"2026-02-11T19:00:22+00:00","verdict":"CONDITIONAL","verdict_confidence":"MODERATE","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Simulations show a 40-50 solar-mass black-hole cutoff is not guaranteed to be confidently recovered from GWTC-4-like catalogs, spurious detections are unlikely, and O4 data would reduce cutoff-mass uncertainty by at least 20 percent while yielding only a lower bound on the carbon-alpha reaction rate","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Though we may be able to conduct such studies using mock PE [69, 93] when the physics of interest is simple, like measuring a mass cutoff, this may not be true when probing the population in finer detail. However, we still neglected some physics like higher modes in the waveform model-which may impact population-level measurement of cuts in the mass spec- trum [94]-and made simplifying approximations for the detection of GW signals. A pertinent future data product could therefore be PE for simulated signals in real detec- tor noise that were successfully recovered by the search pipelines used in LVK analyses, which could be repur- posed for various target populations of interest as in this work. The development of machine-learning methods for"},{"citing_arxiv_id":"2602.11030","ref_index":103,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Population Properties of Binary Black Holes with Eccentricity","primary_cat":"astro-ph.HE","submitted_at":"2026-02-11T16:55:29+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":8.0,"formal_verification":"none","one_line_summary":"First joint population inference on binary black hole eccentricity from GWTC-4 bounds the eccentric branching ratio below 5% at 90% confidence, with results consistent with quasi-circular models but highly model-dependent.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2601.07908","ref_index":118,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Signatures of a subpopulation of hierarchical mergers in the GWTC-4 gravitational-wave dataset","primary_cat":"gr-qc","submitted_at":"2026-01-12T19:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"GWTC-4 data show a transition to nearly all hierarchical mergers above 46 solar masses, with the hierarchical rate peaking at 15.7 solar masses, indicating mass-dependent substructure in black hole spins.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"0: Parameter es- timation data release (2025). [116] LIGO Scientific Collaboration, Virgo Collabora- tion, and KAGRA Collaboration, GW241011 and GW241110: Exploring binary formation and fundamen- tal physics with asymmetric, high-spin black hole coa- lescences (2025). [117] G. Prattenet al., Phys. Rev. D103, 104056 (2021), arXiv:2004.06503 [gr-qc]. [118] R. Essicket al., Phys. Rev. D112, 102001 (2025), arXiv:2508.10638 [gr-qc]. [119] R. Essick and W. Farr, (2022), arXiv:2204.00461 [astro- ph.IM]. [120] J. Heinzel and S. Vitale, (2025), arXiv:2509.07221 [astro-ph.HE]. [121] S. Banagiri, T. A. Callister, C. Adamcewicz, Z. Doc- tor, and V. Kalogera, Astrophys. J.990, 147 (2025), arXiv:2501.06712 [astro-ph."},{"citing_arxiv_id":"2512.10803","ref_index":69,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Detection of GW200105 with a targeted eccentric search","primary_cat":"gr-qc","submitted_at":"2025-12-11T16:46:37+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Targeted eccentric search detects GW200105 with SNR 13.4 and FAR <1/1000 yr, consistent with dynamical formation of the NSBH binary.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2510.22698","ref_index":39,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"A new group of low-spin $50-70M_\\odot$ Black Holes and the high pair-instability mass cutoff","primary_cat":"astro-ph.HE","submitted_at":"2025-10-26T14:48:06+00:00","verdict":null,"verdict_confidence":null,"novelty_score":null,"formal_verification":null,"one_line_summary":null,"context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2510.08832","ref_index":40,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Distinguishing between Black Holes and Neutron Stars within a Population of Weak Tidal Measurements","primary_cat":"gr-qc","submitted_at":"2025-10-09T21:33:35+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Simulations indicate that catalogs of more than 200 events are needed to precisely measure the neutron-star mass fraction f_NS(m) and over 100 events to rule out all low-mass objects being black holes using gravitational-wave data alone.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2509.04151","ref_index":103,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Evidence of the pair instability gap from black hole masses","primary_cat":"astro-ph.HE","submitted_at":"2025-09-04T12:25:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"GWTC-4 data reveals a pair-instability gap at 44 M_⊙ in secondary black hole masses, interpreted as evidence for hierarchical mergers and used to constrain the S-factor for 12C(α,γ)16O.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null}],"limit":50,"offset":0}