Paper Citation Record · LEDGER

Can we distinguish whether black holes have singularities or not through echoes and light rings?

As of 20 August 2026, this Paper Citation Record lists 75 of 75 outbound references and 4 inbound Pith citation observations for arXiv:2505.11073.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2505.11073 v1

Coverage vector

measured 75 of 75 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-15T21:07:26.831886Z

measured 79 of 79 standing notices

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Source: scholarly_work_events, retraction_status_cache, observed 2026-08-20T06:33:59.587034+00:00

measured 4 of 4 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-15T23:18:07.484313Z

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: arxiv_reference, observed 2026-05-22T12:44:52.012031Z

Reference resolution

75 of 75 outbound references displayed

verified exact5
verified fuzzy1
unresolved65
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Outbound references

Observation aba68f4e-e079-4a1f-b718-dbe87257d1d2 · outbound

This paper cites Bardeen, in: Conference Proceedings of GR5, Tbilisi, USSR, 1968, p.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Bardeen, in: Conference Proceedings of GR5, Tbilisi, USSR, 1968, p

Reference 1

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T21:07:27.835006Z

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Observation 1a90bf78-2f1f-4b03-94a1-8549a13678e5 · outbound

This paper cites Regular Black Hole in General Relativity Coupled to Nonlinear Electrodynamics.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular Black Hole in General Relativity Coupled to Nonlinear Electrodynamics

Reference 2

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.609168Z

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Observation b21a212a-febb-4792-aa38-33a65a3590f5 · outbound

This paper cites Regular magnetic black holes and monopoles from nonlinear electro- dynamics,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular magnetic black holes and monopoles from nonlinear electro- dynamics,

Reference 3

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.613326Z

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Observation d6e00c1b-56a0-483a-8b0c-a45b9f5a45b5 · outbound

This paper cites Construction of Regular Black Holes in General Relativity.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Construction of Regular Black Holes in General Relativity

Reference 4

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.617483Z

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Observation 471eea00-c64a-416d-9a1e-a535d8ecbfbf · outbound

This paper cites Regular Black Holes and Stars from Analytic $f(F^2)$.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular Black Holes and Stars from Analytic $f(F^2)$

Reference 5

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.620833Z

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Observation 62fa4f1e-51fe-4cd7-b6a3-843a466a20a0 · outbound

This paper cites Regular Electric Black Holes from EMS Gravity.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular Electric Black Holes from EMS Gravity

Reference 6

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.625025Z

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Observation ae06fe1d-4e25-474f-a2c6-e04a2b2c0336 · outbound

This paper cites Constraints on singularity resolution by nonlinear electrodynamics.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Constraints on singularity resolution by nonlinear electrodynamics

Reference 7

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.628124Z

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Observation 7cc1c84e-9caf-4a53-9b2f-e6d966aa581b · outbound

This paper cites Regular phantom black holes.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular phantom black holes

Reference 8

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.630741Z

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Observation 50cc83bf-c1f7-41eb-9008-0caa12d90891 · outbound

This paper cites Instabilities of wormholes and regular black holes supported by a phantom scalar field.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Instabilities of wormholes and regular black holes supported by a phantom scalar field

Reference 9

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.633751Z

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Observation c9691573-db23-4a25-bfe8-b3cac373c844 · outbound

This paper cites Regular black holes in three dimensions.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular black holes in three dimensions

Reference 10

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.637199Z

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Observation e7b47b85-af7c-4ba3-8ac5-e3dbde7af223 · outbound

This paper cites Regular and black hole solutions of Einstein Yang-Mills Dilaton theory,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular and black hole solutions of Einstein Yang-Mills Dilaton theory,

Reference 11

Resolution: malformed identifier; no resolver link, observed 2026-08-15T21:07:26.639645Z

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Observation cf4e8cf5-1e4c-4a9e-8545-8987780bdadd · outbound

This paper cites Regular black holes with a nonlinear electrodynamics source.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular black holes with a nonlinear electrodynamics source

Reference 12

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.643486Z

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Observation 81da26b1-2689-4d79-87d8-b2f0e46d0ec1 · outbound

This paper cites Regular Multi-Horizon Black Holes in Modified Gravity with Non-Linear Electrodynamics.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular Multi-Horizon Black Holes in Modified Gravity with Non-Linear Electrodynamics

Reference 13

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.646809Z

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Observation e7d9e0dc-ae13-459f-a310-89efc7df55df · outbound

This paper cites Regular black holes in quadratic gravity.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular black holes in quadratic gravity

Reference 14

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.649341Z

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Observation 6f0c4f9f-118f-4970-998a-3fb8d6866ab4 · outbound

This paper cites Regular black holes in $f(T)$ Gravity through a nonlinear electrodynamics source.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular black holes in $f(T)$ Gravity through a nonlinear electrodynamics source

Reference 15

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.652315Z

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Observation 6007b6c6-f108-4742-8dca-ea9cbcdd704a · outbound

This paper cites Regular black holes in $f(R)$ gravity coupled to nonlinear electrodynamics.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular black holes in $f(R)$ gravity coupled to nonlinear electrodynamics

Reference 16

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.656286Z

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Observation 2b7a1e30-e1e0-4df1-a20e-3dad52166cfa · outbound

This paper cites Regular black holes in Einstein-Gauss- Bonnet gravity,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular black holes in Einstein-Gauss- Bonnet gravity,

Reference 17

Resolution: verified exact; doi, observed 2026-08-15T21:07:26.872944Z

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Observation 58dbe1aa-325e-485e-8c1c-dc88cb4b8d2d · outbound

This paper cites Regular black holes in $f(G)$ gravity.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular black holes in $f(G)$ gravity

Reference 18

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.662480Z

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Observation eea843f7-e8f1-4258-bab2-7fd7299f6238 · outbound

This paper cites Regular black holes from pure gravity,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular black holes from pure gravity,

Reference 19

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.665982Z

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Observation 09779fb1-6469-4bd8-8af5-bf3d9a21bb75 · outbound

This paper cites Regular black holes from Loop Quantum Gravity.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular black holes from Loop Quantum Gravity

Reference 20

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.668882Z

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Observation 1ab80163-fe28-4313-896c-3a98e2f270c0 · outbound

This paper cites Quantum Oppenheimer-Snyder and Swiss Cheese models.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Quantum Oppenheimer-Snyder and Swiss Cheese models

Reference 21

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.672076Z

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Observation 0038fccd-f7d5-4f27-a746-8f4468b10a48 · outbound

This paper cites Black holes and covariance in effective quantum gravity: A solution without Cauchy horizons,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Black holes and covariance in effective quantum gravity: A solution without Cauchy horizons,

Reference 22

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.675677Z

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Observation b7d319f3-7df7-4f66-9bc9-42bc0de8239c · outbound

This paper cites Regular black holes from Oppenheimer-Snyder collapse.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular black holes from Oppenheimer-Snyder collapse

Reference 23

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.678705Z

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Observation 44a553a4-6bcf-41d6-9b48-ae437196e6fe · outbound

This paper cites Gravitational collapse and space-time singularities,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Gravitational collapse and space-time singularities,

Reference 24

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.681626Z

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Observation 024c61ca-1309-464c-8f96-c1f3084f095c · outbound

This paper cites Instability of nonsingular black holes in nonlinear electrodynamics.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Instability of nonsingular black holes in nonlinear electrodynamics

Reference 25

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.685460Z

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Observation 83cd4818-d36c-4f71-91b7-366d5696b347 · outbound

This paper cites No Cauchy Horizon Theorem for Nonlinear Electrodynamics Black Holes with Charged Scalar Hairs.

Can we distinguish whether black holes have singularities or not through echoes and light rings? No Cauchy Horizon Theorem for Nonlinear Electrodynamics Black Holes with Charged Scalar Hairs

Reference 26

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.688743Z

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Observation 4a312276-f623-4749-8ba3-03aa0dcf013d · outbound

This paper cites Interior Structure and Complexity Growth Rate of Holographic Superconductor from M-Theory.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Interior Structure and Complexity Growth Rate of Holographic Superconductor from M-Theory

Reference 27

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.692218Z

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Observation fed45b1b-fa82-4abe-8c5e-6d187c9c85b3 · outbound

This paper cites Constraining the number of horizons with energy conditions.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Constraining the number of horizons with energy conditions

Reference 28

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.696025Z

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Observation 9e29d413-e5fa-44da-9264-0daa9ad14533 · outbound

This paper cites No Inner-Horizon Theorem for Black Holes with Charged Scalar Hairs.

Can we distinguish whether black holes have singularities or not through echoes and light rings? No Inner-Horizon Theorem for Black Holes with Charged Scalar Hairs

Reference 29

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.699043Z

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Observation ae7d1e49-4380-4079-a842-6dde03d708ee · outbound

This paper cites Primordial black holes as cosmic expansion accelerators,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Primordial black holes as cosmic expansion accelerators,

Reference 30

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.702394Z

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Observation 39422594-ab37-49e1-8217-890014824a83 · outbound

This paper cites Nonsingular black holes as dark matter.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Nonsingular black holes as dark matter

Reference 31

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.705185Z

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Observation 4808b685-311a-4f2c-afa5-608bf2e097f4 · outbound

This paper cites Primordial regular black holes as all the dark matter. II. Non-time-radial-symmetric and loop quantum gravity-inspired metrics.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Primordial regular black holes as all the dark matter. II. Non-time-radial-symmetric and loop quantum gravity-inspired metrics

Reference 32

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.707980Z

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Observation bf375813-e5b5-4d47-beb9-bdb5a9ddf1e5 · outbound

This paper cites Analytical Critical Phenomena of Rotating Regular AdS Black Holes with Dark Energy.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Analytical Critical Phenomena of Rotating Regular AdS Black Holes with Dark Energy

Reference 33

Resolution: verified exact; local_arxiv, observed 2026-08-15T21:07:27.457943Z

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Observation c13c141f-3042-4eea-b127-8d8a4a80f3bd · outbound

This paper cites Regular AdS black holes holographic heat engines in a benchmarking scheme,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular AdS black holes holographic heat engines in a benchmarking scheme,

Reference 34

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.714519Z

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Observation 7a384719-b5b0-4fad-aadf-afad4ad02f2a · outbound

This paper cites Holographic Superconductor of Regular Phantom Black Hole,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Holographic Superconductor of Regular Phantom Black Hole,

Reference 35

Resolution: malformed identifier; doi_truncated, observed 2026-08-15T21:07:26.859923Z

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Observation 87462a54-09a2-4946-8442-4a500019afbf · outbound

This paper cites Observation of Gravitational Waves from a Binary Black Hole Merger.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Observation of Gravitational Waves from a Binary Black Hole Merger

Reference 36

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.719712Z

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Observation 42ecdd5d-3e32-458d-a4d2-ac2b40a8bc8f · outbound

This paper cites Binary Black Hole Mergers in the first Advanced LIGO Observing Run.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Binary Black Hole Mergers in the first Advanced LIGO Observing Run

Reference 37

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.722622Z

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Observation d761c378-10a5-48e9-8b81-f0fdf845f0f6 · outbound

This paper cites Gravitational waves from regular black holes in extreme mass- ratio inspirals,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Gravitational waves from regular black holes in extreme mass- ratio inspirals,

Reference 38

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.725113Z

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Observation 0e7df811-e1e2-4f58-954f-74fc1b763053 · outbound

This paper cites Quasinormal modes of quantum-corrected black holes.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Quasinormal modes of quantum-corrected black holes

Reference 39

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.727981Z

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Observation 5461275e-1b6a-4f78-82ad-bdd4554ffcab · outbound

This paper cites The pseudospectrum and spectrum (in)stability of quantum corrected Schwarzschild black hole.

Can we distinguish whether black holes have singularities or not through echoes and light rings? The pseudospectrum and spectrum (in)stability of quantum corrected Schwarzschild black hole

Reference 40

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.730785Z

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Observation 0986dd68-bfa5-4356-81ae-37e60b30702c · outbound

This paper cites Gravitational waveforms from periodic orbits around a quantum-corrected black hole.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Gravitational waveforms from periodic orbits around a quantum-corrected black hole

Reference 41

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.733849Z

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Observation d02d9800-52c2-4ab4-beea-7d13cf146130 · outbound

This paper cites QNMs of branes, BHs and fuzzballs from quantum SW geometries,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? QNMs of branes, BHs and fuzzballs from quantum SW geometries,

Reference 42

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.736525Z

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Observation 6f70ec82-1690-4635-99de-c09965309136 · outbound

This paper cites Quasinormal modes of rapidly rotating Ellis-Bronnikov wormholes.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Quasinormal modes of rapidly rotating Ellis-Bronnikov wormholes

Reference 43

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.738939Z

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Observation 5ffeadf2-de3c-40eb-9b90-fdfe8a22a163 · outbound

This paper cites Universal relations for quasinormal modes of neutron stars in $R^2$ gravity.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Universal relations for quasinormal modes of neutron stars in $R^2$ gravity

Reference 44

Resolution: verified exact; local_arxiv, observed 2026-08-15T21:07:27.215653Z

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Observation b41e7c76-f52f-432d-b88a-f6142ca2cdbc · outbound

This paper cites Polar Quasinormal Modes of Neutron Stars in Massive Scalar-Tensor Theories,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Polar Quasinormal Modes of Neutron Stars in Massive Scalar-Tensor Theories,

Reference 45

Resolution: metadata mismatch; raw_fallback, observed 2026-08-15T21:07:27.202050Z

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Observation 744b3076-1982-4fb4-84ef-f195ffda5710 · outbound

This paper cites Quasinormal modes of compact objects in alternative theories of gravity.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Quasinormal modes of compact objects in alternative theories of gravity

Reference 46

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.747524Z

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Observation 1d86a796-83e8-486e-a752-8e7fa5ee1f2c · outbound

This paper cites Quasi-Normal Modes of Stars and Black Holes.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Quasi-Normal Modes of Stars and Black Holes

Reference 47

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.749889Z

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Observation 58e17c63-aad8-4678-897e-ca1fe1621eb6 · outbound

This paper cites Quasinormal modes of black holes and black branes.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Quasinormal modes of black holes and black branes

Reference 48

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.752773Z

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Observation a4ad6fd3-91a6-448f-bd28-bc20c0438be3 · outbound

This paper cites Quasinormal modes of black holes: from astrophysics to string theory.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Quasinormal modes of black holes: from astrophysics to string theory

Reference 49

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.755541Z

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Observation 7267a492-10c4-4e47-b2ab-325a02155e7e · outbound

This paper cites Quasinormal Modes of Bardeen Black Hole: Scalar Perturbations.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Quasinormal Modes of Bardeen Black Hole: Scalar Perturbations

Reference 50

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.758166Z

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Observation dddf49e3-aa9a-4a6b-b117-e2b88228f9d2 · outbound

This paper cites Quasinormal modes of regular black holes.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Quasinormal modes of regular black holes

Reference 51

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.760661Z

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Observation eeaa68f3-9f54-45d2-9656-f6c897ad49e6 · outbound

This paper cites On Quasinormal Modes for Gravitational Perturbations of Bardeen Black Hole.

Can we distinguish whether black holes have singularities or not through echoes and light rings? On Quasinormal Modes for Gravitational Perturbations of Bardeen Black Hole

Reference 52

Resolution: verified exact; local_arxiv, observed 2026-08-15T21:07:27.112745Z

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No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.

Observation 9954ea71-f9a6-4af7-a374-0079601469ab · outbound

This paper cites Quasinormal modes of test fields around regular black holes.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Quasinormal modes of test fields around regular black holes

Reference 53

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.767829Z

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Observation 5f121195-640f-499c-b9ff-0ef22c6ddacb · outbound

This paper cites Quasinormal ringing of regular black holes in asymptotically safe gravity: the importance of overtones.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Quasinormal ringing of regular black holes in asymptotically safe gravity: the importance of overtones

Reference 54

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.770465Z

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Observation 9073134a-b644-48ad-a9c5-c4115330ec58 · outbound

This paper cites The stability of the greybody factor of Hayward black hole.

Can we distinguish whether black holes have singularities or not through echoes and light rings? The stability of the greybody factor of Hayward black hole

Reference 55

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.773571Z

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Observation d4b049d1-6147-4240-8208-2b7c7dab62c0 · outbound

This paper cites Quasinormal modes of regular black holes with sub-Planckian curvature and Minkowskian core.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Quasinormal modes of regular black holes with sub-Planckian curvature and Minkowskian core

Reference 56

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.776784Z

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Observation f30885ea-fff9-487b-9e5c-7455f45dc03a · outbound

This paper cites Correspondence between grey-body factors and quasinormal modes for regular black holes with sub-Planckian curvature.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Correspondence between grey-body factors and quasinormal modes for regular black holes with sub-Planckian curvature

Reference 57

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.779341Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 1b937461-48c6-4913-9bc7-3fa872634fe9 · outbound

This paper cites Thermodynamics for regular black holes as intermediate thermodynamic states and quasinormal frequencies.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Thermodynamics for regular black holes as intermediate thermodynamic states and quasinormal frequencies

Reference 58

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.782700Z

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Unavailable: canonical work link unavailable.

Observation 1de6b8d5-1939-43ec-8c6b-53653adfd249 · outbound

This paper cites Regular black holes and their singular families.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Regular black holes and their singular families

Reference 59

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.785960Z

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Unavailable: canonical work link unavailable.

Observation 365f6f9b-8c98-4881-a05c-fac6ada5cdd1 · outbound

This paper cites Is the gravitational-wave ringdown a probe of the event horizon?.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Is the gravitational-wave ringdown a probe of the event horizon?

Reference 60

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.788999Z

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Observation e2a2eea1-9a71-4dde-a617-ab34a4ca6b45 · outbound

This paper cites Photon sphere and quasinormal modes in AdS/CFT.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Photon sphere and quasinormal modes in AdS/CFT

Reference 61

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.792027Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 6d2cf7fc-002b-4742-9654-4f4f17fcdefa · outbound

This paper cites Echoes from Classical Black Holes.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Echoes from Classical Black Holes

Reference 62

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.795110Z

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Unavailable: canonical work link unavailable.

Observation c540d77c-24de-417c-b6d9-8ee795ecba13 · outbound

This paper cites Echoes from Asymmetric Wormholes and Black Bounce.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Echoes from Asymmetric Wormholes and Black Bounce

Reference 63

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.798039Z

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Unavailable: canonical work link unavailable.

Observation 1a07e16e-ff82-464d-91be-3d716ff40b1c · outbound

This paper cites Trinity of black hole correspondences: Shadows, quasinormal modes, graybody factors, and cautionary remarks.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Trinity of black hole correspondences: Shadows, quasinormal modes, graybody factors, and cautionary remarks

Reference 64

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.800544Z

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Unavailable: canonical work link unavailable.

Observation 8c04267a-1c88-4887-acb2-e1c7e956a311 · outbound

This paper cites Peculiar properties in quasi-normal spectra from loop quantum gravity effect.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Peculiar properties in quasi-normal spectra from loop quantum gravity effect

Reference 65

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.804146Z

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Observation cc1c8205-21fe-4e57-befa-9836aa1d54eb · outbound

This paper cites Echoes from phantom wormholes.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Echoes from phantom wormholes

Reference 66

Resolution: verified exact; local_arxiv, observed 2026-08-15T21:07:27.035683Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.

Observation b78ca9d3-5d9b-4901-b518-4c7327a468f9 · outbound

This paper cites Observational Signature and Additional Photon Rings of Asymmetric Thin-shell Wormhole.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Observational Signature and Additional Photon Rings of Asymmetric Thin-shell Wormhole

Reference 67

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.810475Z

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Unavailable: canonical work link unavailable.

Observation 4efb7ff0-1779-4c1c-a0f8-83eb204736f2 · outbound

This paper cites Ellis wormhole with nonlinear electromagnetic field.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Ellis wormhole with nonlinear electromagnetic field

Reference 68

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.813219Z

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Unavailable: canonical work link unavailable.

Observation 3c98a34a-e7f4-4324-a6fd-06496858f70a · outbound

This paper cites Echoes from Hairy Black Holes.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Echoes from Hairy Black Holes

Reference 69

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.815733Z

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Unavailable: canonical work link unavailable.

Observation 33982545-2946-4cab-80bf-f02a9be99cdd · outbound

This paper cites Probing hairy black holes caused by gravitational decoupling using quasinormal modes and greybody bounds.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Probing hairy black holes caused by gravitational decoupling using quasinormal modes and greybody bounds

Reference 70

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.818767Z

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Unavailable: canonical work link unavailable.

Observation 72fb8fe0-a63f-457f-89d3-3d1299d2934d · outbound

This paper cites Echoes of massless scalar field induced from hairy Schwarzschild black hole,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Echoes of massless scalar field induced from hairy Schwarzschild black hole,

Reference 71

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.821299Z

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Observation ffb68288-9b62-4067-92a0-ce21602e34ea · outbound

This paper cites Instability of Reissner-Nordstr\"{o}m black hole in Einstein-Maxwell-scalar theory.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Instability of Reissner-Nordstr\"{o}m black hole in Einstein-Maxwell-scalar theory

Reference 72

Resolution: malformed identifier; no resolver link, observed 2026-08-15T21:07:26.823851Z

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Observation ceb1bd48-507e-437f-b72b-aeb7ac6b1172 · outbound

This paper cites Mining information from binary black hole mergers: A Comparison of estimation methods for complex exponentials in noise,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Mining information from binary black hole mergers: A Comparison of estimation methods for complex exponentials in noise,

Reference 73

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.826488Z

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Observation 2b7353df-1850-4dba-94c6-b808d69e2a72 · outbound

This paper cites Quasinormal behavior of the D-dimensional Schwarzshild black hole and higher order WKB approach.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Quasinormal behavior of the D-dimensional Schwarzshild black hole and higher order WKB approach

Reference 74

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.829228Z

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Observation 696d9ece-bbee-479c-9c42-2330fe7d8041 · outbound

This paper cites Black Hole Normal Modes: A WKB Approach. 1. Foundations and Application of a Higher Order WKB Analysis of Potential Barrier Scattering,.

Can we distinguish whether black holes have singularities or not through echoes and light rings? Black Hole Normal Modes: A WKB Approach. 1. Foundations and Application of a Higher Order WKB Analysis of Potential Barrier Scattering,

Reference 75

Resolution: unresolved; no resolver link, observed 2026-08-15T21:07:26.831886Z

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Pith citing papers

Observation ef74292b-5dd7-4bab-b8bb-1ec479f5ddad · inbound

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Spectrum instability and greybody factor stability for parabolic approximation of Regge-Wheeler potential Can we distinguish whether black holes have singularities or not through echoes and light rings?

Reference 6

Resolution: unresolved; no resolver link, observed 2026-08-07T13:41:49.074106Z

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Observation 1565b6d6-e16d-4231-8adb-528ee12f33f9 · inbound

Light Rings, Accretion Disks and Shadows of Hayward Boson Stars cites this paper.

Light Rings, Accretion Disks and Shadows of Hayward Boson Stars Can we distinguish whether black holes have singularities or not through echoes and light rings?

Reference 41

Resolution: verified exact; arxiv_id, observed 2026-05-21T23:44:26.805274Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.

Observation f2e014c2-368a-4ca1-8c7b-5e046f5a0aee · inbound

Dark matter production from evaporation of regular primordial black holes cites this paper.

Dark matter production from evaporation of regular primordial black holes Can we distinguish whether black holes have singularities or not through echoes and light rings?

Reference 25

Resolution: verified exact; arxiv_id, observed 2026-05-22T12:44:52.014680Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.

Observation 558fe799-b30f-49ac-80c7-ff5e1294f782 · inbound

A Minkowski-core black hole with cosmological constant and electric charge cites this paper.

A Minkowski-core black hole with cosmological constant and electric charge Can we distinguish whether black holes have singularities or not through echoes and light rings?

Reference 30

Resolution: unresolved; no resolver link, observed 2026-08-15T23:18:07.484313Z

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Unavailable: canonical work link unavailable.