Paper Citation Record · LEDGER

qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

As of 15 August 2026, this Paper Citation Record lists 10 of 10 outbound references and 28 inbound Pith citation observations for arXiv:1908.10377.

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

pith.paper-citation-record.v1
1908.10377 v2

Coverage vector

measured 10 of 10 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-14T10:47:48.092500Z

measured 38 of 38 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-15T06:32:42.880941+00:00

measured 28 of 28 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-15T16:50:52.743889Z

measured 0 of 1 external citation measurements

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

Source: arxiv_reference, observed 2026-07-04T09:29:44.428679Z

Reference resolution

10 of 10 outbound references displayed

verified exact0
verified fuzzy0
unresolved8
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External citation measurements

No source-named external measurement is stored.

Outbound references

Observation b4562d8f-c956-4287-a352-a8a1fd7d163e · outbound

This paper cites an unresolved cited work.

qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients Unresolved cited work

Reference 1

Resolution: unresolved; no resolver link, observed 2026-08-14T10:47:48.083615Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 12588c45-5c58-4dc2-811d-2d47e9467442 · outbound

This paper cites an unresolved cited work.

qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients Unresolved cited work

Reference 1683

Resolution: unresolved; no resolver link, observed 2026-08-14T10:47:48.092500Z

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Observation e5a7bcd1-fcc4-48c6-b4c3-e272a99e2a1a · outbound

This paper cites Black holes and gravitational waves. III. The resonant frequencies of rotating holes.

qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients Black holes and gravitational waves. III. The resonant frequencies of rotating holes

Reference 1980

Resolution: unresolved; no resolver link, observed 2026-08-14T10:47:48.066813Z

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Unavailable: canonical work link unavailable.

Observation 2ef7e4cc-45bd-4771-8a76-3cdcd9288437 · outbound

This paper cites An Analytic representation for the quasi normal modes of Kerr black holes.

qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients An Analytic representation for the quasi normal modes of Kerr black holes

Reference 1985

Resolution: unresolved; no resolver link, observed 2026-08-14T10:47:48.079796Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 80b7ce9f-3199-42db-8359-8d1b8ee68be0 · outbound

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

qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients Quasinormal modes of black holes and black branes

Reference 2009

Resolution: malformed identifier; no resolver link, observed 2026-08-14T10:47:48.058540Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 8ef3d2e3-0add-4ed5-974f-5a16ec4a890a · outbound

This paper cites The NumPy Array: A Structure for Eﬃcient Numerical Computation.

qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients The NumPy Array: A Structure for Eﬃcient Numerical Computation

Reference 2011

Resolution: unresolved; no resolver link, observed 2026-08-14T10:47:48.088510Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 0a3e1aca-3fb0-4745-bc21-241f54475332 · outbound

This paper cites Mixing of spherical and spheroidal modes in perturbed Kerr black holes.

qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients Mixing of spherical and spheroidal modes in perturbed Kerr black holes

Reference 2014

Resolution: malformed identifier; no resolver link, observed 2026-08-14T10:47:48.062940Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation dd25fb66-e0eb-435e-be26-d97b14e93470 · outbound

This paper cites Numba: A LLVM-based Python JIT Compiler.

qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients Numba: A LLVM-based Python JIT Compiler

Reference 2015

Resolution: unresolved; no resolver link, observed 2026-08-14T10:47:48.075695Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 8232b7a9-9b6f-4257-8e9e-6bc87154c343 · outbound

This paper cites Tests of general relativity with GW150914.

qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients Tests of general relativity with GW150914

Reference 2016

Resolution: unresolved; no resolver link, observed 2026-08-14T10:47:48.053148Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 78734f45-fa90-4f94-a2e3-558386095da6 · outbound

This paper cites Testing the no-hair theorem with GW150914.

qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients Testing the no-hair theorem with GW150914

Reference 2019

Resolution: unresolved; no resolver link, observed 2026-08-14T10:47:48.070709Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Pith citing papers

Observation b5e747dc-f79d-4f9e-802a-1b21ae975315 · inbound

Tests of General Relativity with Binary Black Holes from the second LIGO-Virgo Gravitational-Wave Transient Catalog cites this paper.

Tests of General Relativity with Binary Black Holes from the second LIGO-Virgo Gravitational-Wave Transient Catalog qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 281

Resolution: verified exact; arxiv_id, observed 2026-05-15T03:47:45.275786Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation ba202a61-adeb-476f-8aa7-e088adba3ff9 · inbound

Tests of General Relativity with GWTC-3 cites this paper.

Tests of General Relativity with GWTC-3 qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 286

Resolution: verified exact; arxiv_id, observed 2026-05-12T02:40:30.551844Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 629549ab-da77-47b2-b9bf-0ef4d79cc943 · inbound

Gravitational wave surrogate model for spinning, intermediate mass ratio binaries based on perturbation theory and numerical relativity cites this paper.

Gravitational wave surrogate model for spinning, intermediate mass ratio binaries based on perturbation theory and numerical relativity qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 122

Resolution: verified exact; arxiv_id, observed 2026-05-23T23:43:38.803446Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation bc98d64e-00fc-45f9-980a-7e12aed64982 · inbound

Connecting scattering, monodromy, and MST's renormalized angular momentum for the Teukolsky equation in Kerr spacetime cites this paper.

Connecting scattering, monodromy, and MST's renormalized angular momentum for the Teukolsky equation in Kerr spacetime qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 34

Resolution: unresolved; no resolver link, observed 2026-08-11T19:46:24.149851Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 8889b762-3797-4b19-96ae-484e863d10ac · inbound

Accurate waveforms for eccentric, aligned-spin binary black holes: The multipolar effective-one-body model SEOBNRv5EHM cites this paper.

Accurate waveforms for eccentric, aligned-spin binary black holes: The multipolar effective-one-body model SEOBNRv5EHM qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 267

Resolution: unresolved; no resolver link, observed 2026-08-11T13:49:13.749411Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation f181ba79-d6bb-4962-9412-d2418f89e235 · inbound

Multimode ringdown modelling with $\texttt{qnmfits}$ and $\texttt{KerrRingdown}$ cites this paper.

Multimode ringdown modelling with $\texttt{qnmfits}$ and $\texttt{KerrRingdown}$ qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 37

Resolution: unresolved; no resolver link, observed 2026-08-09T05:46:29.322840Z

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Unavailable: canonical work link unavailable.

Observation b99bda7d-e52d-42e3-a7e1-ea6e0cf1e7dd · inbound

Black hole spectroscopy: from theory to experiment cites this paper.

Black hole spectroscopy: from theory to experiment qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 91

Resolution: verified exact; arxiv_id, observed 2026-05-12T01:31:24.478529Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation d27b22ce-343c-4896-a6c9-a5877484bee6 · inbound

Spinning Effective-to-Backwards One Body ($\texttt{SEBOB}$): combining Effective One-Body inspirals and Backwards One-Body merger-ringdowns for aligned spin black hole binaries cites this paper.

Spinning Effective-to-Backwards One Body ($\texttt{SEBOB}$): combining Effective One-Body inspirals and Backwards One-Body merger-ringdowns for aligned spin black hole binaries qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 36

Resolution: unresolved; no resolver link, observed 2026-08-15T16:50:52.743889Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 7b6aab6a-7846-4163-b97f-25a62098104c · inbound

Black Hole Spectroscopy and Tests of General Relativity with GW250114 cites this paper.

Black Hole Spectroscopy and Tests of General Relativity with GW250114 qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 212

Resolution: verified exact; arxiv_id, observed 2026-05-15T16:45:10.086262Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 828de04e-338b-4102-bcbd-721920a7abff · inbound

Quasinormal modes from numerical relativity with Bayesian inference cites this paper.

Quasinormal modes from numerical relativity with Bayesian inference qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 35

Resolution: unresolved; no resolver link, observed 2026-08-04T10:07:35.929957Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 4af6b6d5-6890-4b7f-be9c-51d65f1566f7 · inbound

Quasinormal mode content of binary black hole ringdowns cites this paper.

Quasinormal mode content of binary black hole ringdowns qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 29

Resolution: unresolved; no resolver link, observed 2026-08-04T09:43:31.409568Z

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Unavailable: canonical work link unavailable.

Observation 7bc4b46d-1918-4dad-8e11-96ab40847898 · inbound

Massive boson stars: Stability and GW emission in head-on mergers cites this paper.

Massive boson stars: Stability and GW emission in head-on mergers qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 82

Resolution: verified exact; arxiv_id, observed 2026-05-16T22:18:37.170627Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 671d2800-749c-4ae3-bd7d-edd9c2d06b00 · inbound

Massive boson stars: Stability and GW emission in head-on mergers cites this paper.

Massive boson stars: Stability and GW emission in head-on mergers qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 82

Resolution: unresolved; no resolver link, observed 2026-08-03T15:57:06.510125Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation e4496eb9-29d0-4f5b-8523-03e5b06aaaed · inbound

Quasinormal mode/grey-body factor correspondence for Kerr black holes cites this paper.

Quasinormal mode/grey-body factor correspondence for Kerr black holes qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 70

Resolution: verified exact; arxiv_id, observed 2026-05-16T19:28:20.351250Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 4edceb13-5fcc-4cb3-8ab5-ee2d3a677801 · inbound

Confronting eikonal and post-Kerr methods with numerical evolution of scalar field perturbations in spacetimes beyond Kerr cites this paper.

Confronting eikonal and post-Kerr methods with numerical evolution of scalar field perturbations in spacetimes beyond Kerr qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 76

Resolution: verified exact; arxiv_id, observed 2026-05-16T14:41:02.327802Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 113f24a5-99e7-4fab-af2f-8ac0440f3756 · inbound

Advancing the Effective-One-Body Framework in the Test-Mass Limit cites this paper.

Advancing the Effective-One-Body Framework in the Test-Mass Limit qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 186

Resolution: unresolved; no resolver link, observed 2026-07-15T14:26:35.666160Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation fcf2eee9-7ee8-4324-9a2e-ee2f97d9e53d · inbound

Can Oscillatory and Persistent Nonlinearities Be Bridged in Black Hole Ringdown? cites this paper.

Can Oscillatory and Persistent Nonlinearities Be Bridged in Black Hole Ringdown? qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 57

Resolution: verified exact; arxiv_id, observed 2026-05-15T15:40:09.075476Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation ce4eb735-a02d-424d-92be-d9129b472a7f · inbound

Can Oscillatory and Persistent Nonlinearities Be Bridged in Black Hole Ringdown? cites this paper.

Reference 57

Resolution: verified exact; arxiv_id, observed 2026-05-21T11:24:08.547560Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 23266c48-8b18-483f-b44d-98dd33c9d95d · inbound

Bilinear products and the orthogonality of quasinormal modes on hyperboloidal foliations cites this paper.

Bilinear products and the orthogonality of quasinormal modes on hyperboloidal foliations qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 64

Resolution: verified exact; arxiv_id, observed 2026-05-10T14:40:32.588650Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 8cedeedd-93d0-4cfb-8896-d25f3c727562 · inbound

Highly eccentric non-spinning binary black hole mergers: quadrupolar post-merger waveforms cites this paper.

Highly eccentric non-spinning binary black hole mergers: quadrupolar post-merger waveforms qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 188

Resolution: verified exact; arxiv_id, observed 2026-05-10T10:19:20.928957Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 65fb8850-48ba-4b6a-8192-417229e823f9 · inbound

Physics informed operator learning of parameter dependent spectra cites this paper.

Physics informed operator learning of parameter dependent spectra qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 59

Resolution: malformed identifier; arxiv_id, observed 2026-05-11T21:26:14.504933Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 741c49a6-54b4-44f5-bdd5-44b036ff5bed · inbound

Rapidly Rotating Neutron Star Collapse in Massive Scalar-Tensor Theories cites this paper.

Rapidly Rotating Neutron Star Collapse in Massive Scalar-Tensor Theories qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 96

Resolution: verified exact; arxiv_id, observed 2026-05-20T16:23:35.594759Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation b14d2cbe-5b94-4eab-8958-a44079e57a26 · inbound

Rapidly Rotating Neutron Star Collapse in Massive Scalar-Tensor Theories cites this paper.

Reference 96

Resolution: unresolved; no resolver link, observed 2026-08-02T13:57:21.125390Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation b0cd4f1e-17d8-4f34-a511-5797e4391388 · inbound

Shaping black hole resonances I. Black hole ringdown as a spectral filtering process cites this paper.

Shaping black hole resonances I. Black hole ringdown as a spectral filtering process qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 86

Resolution: verified exact; arxiv_id, observed 2026-06-30T13:14:41.098587Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation dcc92ac3-c46b-40d7-9cc6-0c72d1bc2d04 · inbound

A pre-merger-informed spectral-level ringdown inference framework for black-hole spectroscopy cites this paper.

A pre-merger-informed spectral-level ringdown inference framework for black-hole spectroscopy qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 31

Resolution: verified exact; arxiv_id, observed 2026-06-29T20:53:57.983784Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation 3bbd74cb-012d-4fa2-9f5e-049bb6c7ea0e · inbound

Extended parameterized spin expansion formalism for ringdown analysis with GW250114 cites this paper.

Extended parameterized spin expansion formalism for ringdown analysis with GW250114 qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 14

Resolution: metadata mismatch; arxiv_id, observed 2026-07-04T09:29:44.430543Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.

Observation a1b2a6e0-8c64-42e1-9ec6-a0daa95f9c62 · inbound

Extended parameterized spin expansion formalism for ringdown analysis with GW250114 cites this paper.

Reference 14

Resolution: unresolved; no resolver link, observed 2026-08-02T10:39:38.395622Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation e35b657e-b4b0-40ba-b07c-88d42727e6cb · inbound

Resumming Kerr Quasinormal-Mode Frequencies: Accuracy and Breakdown Near Extremality cites this paper.

Resumming Kerr Quasinormal-Mode Frequencies: Accuracy and Breakdown Near Extremality qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients

Reference 38

Resolution: unresolved; no resolver link, observed 2026-07-30T12:53:50.465839Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.