{"total":11,"items":[{"citing_arxiv_id":"2607.02110","ref_index":50,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Black Boxes in Black Hole Imaging","primary_cat":"physics.hist-ph","submitted_at":"2026-07-02T12:43:48+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Some opacity in black hole imaging methods is compatible with reliable inference under specified conditions, but GRMHD models of Sgr A* exhibit problematic opacity that signals model limitations.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2607.00073","ref_index":24,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Magneto-Thermal Instability in Galaxy Clusters -- III. The Limit of Adiabatic Stratification","primary_cat":"astro-ph.CO","submitted_at":"2026-06-30T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"In adiabatically stratified cluster gas the MTI saturates via large plumes destroyed by shear, producing turbulent kinetic energy that scales as χ ω_T.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.28603","ref_index":135,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Identifying Observational Signatures of Flux Eruption Events in Supermassive Black Hole Accretion Flows with Machine Learning","primary_cat":"astro-ph.HE","submitted_at":"2026-06-26T20:50:39+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Machine learning on simulated images identifies that flux eruption events cause more diffuse, polarized, lower-flux millimeter emission with decreased Q-U loop rotation rate, achieving ~80% accuracy with random forests on summary statistics.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.19320","ref_index":89,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"GRMHD and GRRT Simulations of Black Hole Accretion: Flares, Precession, and Complex Spacetimes","primary_cat":"astro-ph.HE","submitted_at":"2026-06-17T17:47:45+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Simulations of accreting black holes in standard and complex spacetimes indicate that magnetic geometry, quantum corrections, and binary dynamics influence flares, precession, photon rings, and multi-wavelength variability, with potential EHT constraints.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"background plus intermittent flares [4]. Joint EHT-ALMA polarimetry [55] is compatible with a vertical magnetic flux rope expelled from an arrested inner flow [e.g., 26,45-46]. One exam- ple is the clockwise hot-spot motion reported by [45] in MAD simulations of Sgr A \u0003. Both EHT image modeling and independent flare fits tend to prefer low inclinations [37,89], while polarimetric tomography places the flare motion in a low-inclination plane [90]. Flux ropes and plasmoid chains in the jet sheath naturally provide that kind of trajectory [31,50,52,91-92]. Earlier GRMHD studies of multi-loop tori already showed that plasmoids form natu- rally in such flows [31,50]. Neighboring loops merge, drive turbulence, and repeatedly trig-"},{"citing_arxiv_id":"2606.05307","ref_index":99,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Constraining the jet base emission of M87* with past and future Event Horizon Telescope observations","primary_cat":"astro-ph.HE","submitted_at":"2026-06-03T18:01:05+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Synthetic EHT data from semi-analytic jet models show that the 2022 array configuration enables robust recovery of faint horizon-scale jet emission in M87* when jet intensity exceeds a determined lower limit.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.04094","ref_index":15,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Multifrequency Synthesis via CHIBI: Colorful Hierarchical Interferometric Bayesian Imaging","primary_cat":"astro-ph.IM","submitted_at":"2026-06-02T18:00:06+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"CHIBI is a new hierarchical Bayesian method for multifrequency synthesis radio imaging based on synchrotron spectral parametrization, demonstrated on VLBA MOJAVE data and simulated EHT observations of M87*.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.28871","ref_index":29,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Testing loop quantum gravity through EHT observations of M87* and Sgr A* using rotating holonomy-corrected black holes","primary_cat":"gr-qc","submitted_at":"2026-05-23T16:55:56+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"EHT angular diameter data yield upper bounds on the holonomy correction b (e.g., b ≤ 0.1319M at a=0 for M87*) showing nonzero b remains consistent with observations for RHCBH spacetimes.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2604.27026","ref_index":14,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"On the Quantisation of Linear Gauge Theories on Lorentzian Manifolds: Maxwell's Theory via Complete Gauge Fixing","primary_cat":"math-ph","submitted_at":"2026-04-29T14:17:38+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A new complete gauge fixing at initial data via Hodge decomposition on complete Riemannian manifolds enables existence proofs for Hadamard states in the quantization of Maxwell theory on globally hyperbolic Lorentzian manifolds.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"future/past have the following important properties: (i)Ω∪I ±(Ω)⊂J±(Ω) (ii)J ±(J±(Ω)) =J ±(Ω) (iii)J ±(Ω)⊂I±(Ω)with \"=\" iff and only ifΩis closed forΩ⊂Marbitrary. Furthermore, we note thatI ±(Ω)is an open set for arbitraryΩ, while J±(Ω)can be both open or closed. For more details on causality in Lorentzian geometry, we refer to the detailed discussion in [348, Chap. 14] and [48, Chap. 3]. 1.1. Globally Hyperbolic Lorentzian Manifolds 11 1.1.2 Global Hyperbolicity After this preliminary discussion on Lorentzian geometry, we will now define and study a special class of time-orientable Lorentzian manifolds, namely those for which the Cauchy problem of hyperbolic operators is well-posed. To this end, we make the following definition."},{"citing_arxiv_id":"2603.23687","ref_index":5,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Review of strongly coupled regimes in gravity with Dyson-Schwinger approach","primary_cat":"gr-qc","submitted_at":"2026-03-24T19:51:50+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Dyson-Schwinger methods applied to gravity theories produce conformally flat metrics and a sequence of cosmological phase transitions from conformal symmetry breaking that non-minimal scalar couplings can suppress.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2509.24114","ref_index":9,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Scattering of massive particles from black holes and naked singularities","primary_cat":"gr-qc","submitted_at":"2025-09-28T23:09:37+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Numerical geodesics show narrow deflection angles for massive particle scattering off RN black holes versus isotropic scattering off naked singularities.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2508.04577","ref_index":6,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Particle dynamics around an electrically charged Kiselev black hole embedded in quintessence","primary_cat":"gr-qc","submitted_at":"2025-08-06T16:00:43+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Derives an electrically charged generalization of the Kiselev black hole metric and studies charged particle orbits, finding prograde periapsis shifts for uncharged particles but possible retrograde shifts for charged ones.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null}],"limit":50,"offset":0}