Pith. sign in

Paper Citation Record · LEDGER

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density

As of 8 August 2026, this Paper Citation Record lists 28 of 28 outbound references and 0 inbound Pith citation observations for arXiv:2507.16087.

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

pith.paper-citation-record.v1
2507.16087 v1

Coverage vector

measured 28 of 28 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-06T15:25:38.186502Z

measured 28 of 28 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-08T06:32:00.761636+00:00

measured 0 of 0 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links

measured 0 of 1 external citation measurements

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

Source: cited_works

Reference resolution

28 of 28 outbound references displayed

  • verified exact2
  • verified fuzzy20
  • unresolved6
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 38cce24c-c4c8-4090-995a-1874ec1f85c8 · outbound

This paper cites A convergent Born series for solving the inhomogeneous Helmholtz equation in arbitrarily large media.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density A convergent Born series for solving the inhomogeneous Helmholtz equation in arbitrarily large media

Reference 1

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.546727Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:34.448080Z digest=sha256:d095cfdc206fdf00d73d70adf74827e7c4a87fb365115dffaf02d132ab9c14d1

Observation b9d22dd7-ed75-43c2-bfdb-a7ad380dfa61 · outbound

This paper cites A universal matrix-free split preconditioner for the fixed-point iterative solution of non-symmetric linear systems.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density A universal matrix-free split preconditioner for the fixed-point iterative solution of non-symmetric linear systems

Reference 2

Resolution
verified exact
local_arxiv, observed 2026-08-06T15:25:38.865760Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:34.596582Z digest=sha256:8dbeeb98864abaed9121a974dcd2d8211a2ec51e54c00f492d5214fd4a0c64ff

Observation cbb5586d-fff9-4d60-8edf-c79189ae65ee · outbound

This paper cites Benchmark problems for transcranial ultrasound simulation: Intercomparison of compressional wave models.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Benchmark problems for transcranial ultrasound simulation: Intercomparison of compressional wave models

Reference 3

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.538405Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:34.753156Z digest=sha256:f4b46a2496d19ece3cc2d8f7f8a40dd8cc3a7373b0d9e816eac2ef35f6b75759

Observation 8b0074e0-3714-4a8c-9e3b-4530be6f71c5 · outbound

This paper cites Waveholtz: Iterative solution of the helmholtz equation via the wave equation.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Waveholtz: Iterative solution of the helmholtz equation via the wave equation

Reference 4

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.529742Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:34.973666Z digest=sha256:dda029a6df0e76e418b0a5680ec3bc975a931cd53d64d2fcad2736a14429c888

Observation cdeec256-023c-44b0-9d63-709582c1f400 · outbound

This paper cites Advances in iterative methods and preconditioners for the Helmholtz equation.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Advances in iterative methods and preconditioners for the Helmholtz equation

Reference 5

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.521225Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:35.141342Z digest=sha256:75ec1b216b92350a02603502c8e2b8816de2cd1e4db72988e3c5b5111b04acb1

Observation af704507-94c7-4be3-bcac-6e37c112069a · outbound

This paper cites An improved two-grid preconditioner for the solution of three-dimensional Helmholtz problems in heterogeneous media.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density An improved two-grid preconditioner for the solution of three-dimensional Helmholtz problems in heterogeneous media

Reference 6

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.511574Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:35.354229Z digest=sha256:b1f43f9c107387cff34f9393562f3fe63b780841c36f63be457ffd476502f43e

Observation 9064a8d4-f536-4909-a6d4-2699087658ca · outbound

This paper cites an unresolved cited work.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Unresolved cited work

Reference 7

Resolution
unresolved
raw_fallback, observed 2026-08-06T15:25:39.502182Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:35.529962Z digest=sha256:69570420d57abcce45bc30a3447172a2e99416ad32334b81c26d066e76ee0c24

Observation 716b0eb0-260f-473f-b88b-cadec5e6ca9e · outbound

This paper cites A helmholtz equation solver using unsupervised learning: Application to transcranial ultrasound.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density A helmholtz equation solver using unsupervised learning: Application to transcranial ultrasound

Reference 8

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.490874Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:35.692611Z digest=sha256:bbc67f2bb7c21276d0bda5feba34445f0206973f84959aeac12c38b6dc3d8c93

Observation 950c1445-16ab-4bbc-abfd-98c5ab2b6b55 · outbound

This paper cites A learned born series for highly-scattering media.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density A learned born series for highly-scattering media

Reference 9

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.481054Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:35.865277Z digest=sha256:4d722b3d96d4ae8da782fe654eda058aeebb2e274b09118853c6e4b637a1eee4

Observation c1eef45f-73bd-4553-85e0-58a3682d6f1e · outbound

This paper cites A Neural Multigrid Solver for Helmholtz Equations with High Wavenumber and Heterogeneous Media.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density A Neural Multigrid Solver for Helmholtz Equations with High Wavenumber and Heterogeneous Media

Reference 10

Resolution
unresolved
no resolver link, observed 2026-08-06T15:25:36.085708Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T15:25:36.085708Z digest=sha256:54533dcc9ac979036275fd0f925014548b319c99102b17b1d53b6e235e82a406

Observation f60512c6-6719-480c-8def-29350f038740 · outbound

This paper cites Solving 2-d helmholtz equation in the rectangular, circular, and elliptical domains using neural networks.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Solving 2-d helmholtz equation in the rectangular, circular, and elliptical domains using neural networks

Reference 11

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.471178Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:36.290707Z digest=sha256:c91d5668a97ba73e0c7ce066c9b330836c0849778b0761655f0ac3b5d1eb0c9c

Observation 8dc006d8-2622-4944-87e3-7141ea149b1c · outbound

This paper cites Non-invasive transcranial ultrasound therapy based on a 3d ct scan: protocol validation and in vitro results.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Non-invasive transcranial ultrasound therapy based on a 3d ct scan: protocol validation and in vitro results

Reference 12

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.460394Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:36.426660Z digest=sha256:dcabeead45c8db55aedb17d69ae3062ec927b4427485011296aa13f57b7730c7

Observation 298bee8d-48ab-4a41-a800-d3ad91e36fb4 · outbound

This paper cites Homotopy scattering series for seismic forward modelling with variable density and velocity.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Homotopy scattering series for seismic forward modelling with variable density and velocity

Reference 13

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.448374Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:36.530644Z digest=sha256:9ed32e9e24ff547ad101e514402078aa3ce0858f18fedafdebc39b2949e2354e

Observation 01b0edd0-4b22-431b-ae28-52068e26b9ef · outbound

This paper cites Efficient Helmholtz equation solver for frequency domain waveform inversion based on the decomposition into one-way wave equations.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Efficient Helmholtz equation solver for frequency domain waveform inversion based on the decomposition into one-way wave equations

Reference 14

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.438676Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:36.642768Z digest=sha256:54710c3a17fb6bdf26f544f92d8d377f59509addb4b105bf128184c5863b2b84

Observation 852b2ef9-e339-4db9-bd63-6fc3bee89a4b · outbound

This paper cites Iterative solution of the Lippmann–Schwinger equation in strongly scattering acoustic media by randomized construction of preconditioners.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Iterative solution of the Lippmann–Schwinger equation in strongly scattering acoustic media by randomized construction of preconditioners

Reference 15

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.428690Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:36.742347Z digest=sha256:422f2acee00bb3996b043c881227235b75b253d2f5721dc0fd8b0cd6c710585a

Observation b633ae46-fe50-453c-b283-a42d8018a3dc · outbound

This paper cites A k-space method for coupled first-order acoustic propagation equations.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density A k-space method for coupled first-order acoustic propagation equations

Reference 16

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.419108Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:36.834961Z digest=sha256:30720497a5c1b59b0043b858cee6e59d3ad1e5e1ac1b6afdbd11d00115394d11

Observation 04f324a7-d441-4ba9-b080-b52047067cc5 · outbound

This paper cites An overview of full-waveform inversion in exploration geophysics.Geophysics, 74(6):WCC1–WCC26, 2009.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density An overview of full-waveform inversion in exploration geophysics.Geophysics, 74(6):WCC1–WCC26, 2009

Reference 17

Resolution
unresolved
no resolver link, observed 2026-08-06T15:25:36.950914Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T15:25:36.950914Z digest=sha256:ca07d698ffb438c461b6d5d64d10a5dcce7793ec8aa1e90c965d0776e30a23c3

Observation 0eeb960f-3922-4e34-a9ba-8d7233218573 · outbound

This paper cites Physics- informed machine learning.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Physics- informed machine learning

Reference 18

Resolution
unresolved
no resolver link, observed 2026-08-06T15:25:37.022739Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T15:25:37.022739Z digest=sha256:02d079e6f4229e7cb01bdb48229dca0ef8c52d1cc0dfbcbc0f0845519c51f885

Observation c357f4ba-4a19-4104-b46e-5ac9938f8c04 · outbound

This paper cites Sound scattering from a fluid sphere.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Sound scattering from a fluid sphere

Reference 19

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.397118Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:37.141192Z digest=sha256:2435e0a19624c46d4825681bea25ecf5fdfd9fc1ad403de14c124451445b1374

Observation 2de702eb-3a68-4f71-b29c-61cc0c9351d5 · outbound

This paper cites Sound scattering from two concentric fluid spheres.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Sound scattering from two concentric fluid spheres

Reference 20

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.388165Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:37.258812Z digest=sha256:7d78cb7790a7c9d911de9f40808a2ad67820b0a5c212d0821424664de437f340

Observation 9cacb4a1-6687-4dc6-b028-5a0033919f38 · outbound

This paper cites Modeling nonlinear ultrasound propagation in heterogeneous media with power law absorption using a k-space pseudospectral method.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Modeling nonlinear ultrasound propagation in heterogeneous media with power law absorption using a k-space pseudospectral method

Reference 21

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.379102Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:37.344742Z digest=sha256:a7e9fa305af3e36ba4b48925156a53f3abfc684269851d350168890a8463b22e

Observation 37545f3e-010d-421e-a8d8-ca04ee3fe4b5 · outbound

This paper cites Computational frameworks for the fast Fourier transform.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Computational frameworks for the fast Fourier transform

Reference 22

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.369438Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:37.454518Z digest=sha256:4885d19fb14c097a2331491329d348596d2c0428f96e8b2845376ad1e18fee69

Observation ff4adcf8-bd3f-49b3-ba52-0424f7e87ceb · outbound

This paper cites Vellekoop.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Vellekoop

Reference 23

Resolution
verified exact
raw_fallback, observed 2026-08-06T15:25:38.586666Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:37.540098Z digest=sha256:2d234b35f1a6cc5022f9005ae838b8c4da4adbd8b90cc80cb9f992a78c30ced0

Observation dcfa6244-b56f-42ee-8023-ae23df6392a6 · outbound

This paper cites Ultrasonic neuromodulation by brain stimulation with transcranial ultrasound.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Ultrasonic neuromodulation by brain stimulation with transcranial ultrasound

Reference 24

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.359171Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:37.649421Z digest=sha256:9590dcb77e1dfbd0dc18005714bd950fdc94db52d77c509169d8d669977e8784

Observation c818582e-1000-4101-b6e7-cdaa84ab2a4f · outbound

This paper cites Trans-spinal focused ultrasound stimulation selectively modulates descending motor pathway.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Trans-spinal focused ultrasound stimulation selectively modulates descending motor pathway

Reference 25

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.278014Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:37.765037Z digest=sha256:f0f9ac1dc656f7548dec0ca80e1e5905ae1d8e1f618b72a05384a48460569bfc

Observation 6e755fab-8a27-453d-b970-eba677eb3e3d · outbound

This paper cites Three-dimensional frequency-domain full-waveform inversion with an iterative solver.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Three-dimensional frequency-domain full-waveform inversion with an iterative solver

Reference 26

Resolution
verified fuzzy
raw_fallback, observed 2026-08-06T15:25:39.120683Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

source=pdf_text observed=2026-08-06T15:25:37.917632Z digest=sha256:9d65e9f7212d9f5eff55eadd6c004f55133788e7c3af209f1f39bb9def4f5cf9

Observation 39c58068-25ed-4dbc-b1dd-8c899a8dba25 · outbound

This paper cites Neural Operator: Graph Kernel Network for Partial Differential Equations.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Neural Operator: Graph Kernel Network for Partial Differential Equations

Reference 27

Resolution
unresolved
no resolver link, observed 2026-08-06T15:25:38.032844Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T15:25:38.032844Z digest=sha256:ed6b1ce8f65e9f6394956f6b539f35113cbd98cf9cdcb384e3432c2aed40046d

Observation 9cc93f9b-65d5-4813-829e-fb988140ad1c · outbound

This paper cites Beyond regular grids: Fourier-based neural operators on arbitrary domains.

Iterative Born Solver for the Acoustic Helmholtz Equation with Heterogeneous Sound Speed and Density Beyond regular grids: Fourier-based neural operators on arbitrary domains

Reference 28

Resolution
unresolved
no resolver link, observed 2026-08-06T15:25:38.186502Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T15:25:38.186502Z digest=sha256:e690cd75357cafe6eb3ed5f2580a5efd2b79c8db8f3e569daac96699fb51e3a9

Pith citing papers

No inbound Pith citation observations are available.