Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-07T19:55:20.881380Z
Paper Citation Record · LEDGER
As of 10 August 2026, this Paper Citation Record lists 100 of 114 outbound references and 4 inbound Pith citation observations for arXiv:2502.10053.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-07T19:55:20.881380Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-10T06:31:04.303077+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-06T18:26:44.675411Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-05-16T13:37:57.225857Z
100 of 114 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 39058fde-cabe-4996-afd2-b544ce4bd62f · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 1
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Unavailable: canonical work link unavailable.
Observation 7ea3e9eb-f436-4b63-9cc8-410998e45130 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm electromagnetic tensor
Reference 2
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Observation 175a5aab-26eb-44b3-839b-2a184314eb83 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm (62) Our covariant prescription implies that this object is a tru e tensor
Reference 3
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Observation 066ebb20-ab50-42ab-82a7-4a6bf02ba7ea · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 4
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Observation 5f5117b7-3879-4ebb-93bd-c4916987a0d7 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Esposito, Quantum gravity, quantum cosmology and Lorentzian geometr ies, Vol
Reference 5
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Observation 8aa27afe-b177-4f04-9f81-f91d6a4c3249 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm What is a reduced boundary in general relativity?
Reference 6
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Observation bc96d49e-d555-41d2-a0b9-e1bda2a2713d · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 7
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Observation ba126476-3705-4bb6-ab5e-ac7d235f2492 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Replica Wormholes and the Entropy of Hawking Radiation
Reference 8
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Observation 12ff6953-2d34-454a-a859-568947a4db68 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm stress-energy tensor
Reference 9
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Observation 68cbe8af-ab42-4211-93dd-ffade705ba88 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Complex actions in two-dimensional topology change
Reference 10
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Observation f1c06487-9cd5-406f-af55-1b7017fee30b · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Wick rotation and the positivity of energy in quantum field theory
Reference 11
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Observation fde8b274-7a98-4d5b-8200-998d4325f6e3 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Notice that since the connection is met ric-compatible (cf
Reference 12
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Observation 1a67c4db-8ddc-4791-968b-4f72323bdee8 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Allowable complex metrics in minisuperspace quantum cosmology
Reference 13
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Observation efd4e958-6257-4085-8784-286aaca5bad6 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Uses of Complex Metrics in Cosmology
Reference 14
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Observation 567d46b3-7cc3-4745-a265-3fd6fd6ec689 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 15
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Observation d597ef82-14c8-4841-aaa4-91ffc9b1dcf8 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 16
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Observation b678c63c-f595-4d88-bca4-838ed930caed · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 17
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Observation 70d4b9b3-d722-49fc-b328-69607f919305 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Kerr Black Holes as Elementary Particles
Reference 18
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Observation 8dedd7db-cf99-4f38-b95a-571e376782a0 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm A worldsheet for Kerr
Reference 19
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Observation 73d30676-12db-43b2-b6be-81709be2460d · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Testing loop quantum gravity from observational consequences of non-singular rotating black holes
Reference 20
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Observation 4afce259-20fb-481a-949e-13d04043da2e · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Discontinuous normals in non-Euclidean geometries and two-dimensional gravity
Reference 21
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No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 10ab9df5-9349-4b40-a889-f162370ae8a2 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Lorentzian Quantum Cosmology
Reference 22
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Observation 2e001cd2-26f0-4c52-b700-12b09b100a85 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Replica wormholes and the black hole interior
Reference 23
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Observation 24a8de5d-5e10-4020-976c-840e4f47acbb · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm The Real No-Boundary Wave Function in Lorentzian Quantum Cosmology
Reference 24
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Observation b92c1618-b06b-419e-8f98-0dd0f30db5b9 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm No-boundary prescriptions in Lorentzian quantum cosmology
Reference 25
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Observation f4a5e726-1143-42e6-8f9e-753d288b50d6 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm A Note On Complex Spacetime Metrics
Reference 26
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Observation aa740aa0-1c04-4bba-ac60-1cce4f56041f · outbound
Reference 27
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Observation 63efc274-4b69-4cbc-8d99-68df27430c87 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 28
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Observation e8d63c20-40f2-4939-b2d7-0a3f3e688303 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Canonico, L
Reference 29
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Observation e2bcbf20-3802-4e51-a7d9-0564c8a11c29 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Kaehler geometry of black holes and gravitational instantons
Reference 30
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Observation ac1bf6ac-a1b3-4742-b17f-ab9e9947c448 · outbound
Reference 31
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No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 9224d64a-dce5-40e0-a3c6-f2093baf3330 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Nonsingular bouncing cosmology in general relativity: physical analysis of the spacetime defect
Reference 32
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Observation 8e1636ba-832f-4541-b224-54069a97e359 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Regularized big bang singularity: Geodesic congruences
Reference 33
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Observation e77521fe-4fa1-4181-aadd-01190111e212 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Cosmologies with turning points
Reference 34
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Observation 481cc092-5e1d-4bae-a757-00b22c259acc · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 35
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Observation 711d6a6e-eb76-401a-a173-813e5ab56601 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Degenerate spacetimes in first order gravity
Reference 36
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Observation 1c39fa7b-7319-4cfa-9775-4ea77dfc0847 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm No smooth beginning for spacetime
Reference 37
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Observation c85d44de-6806-4c0c-ac7e-11123c7ba2d2 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Matter coupling to degenerate spacetimes in first order gravity
Reference 38
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Observation b110fd4e-82e0-42d0-961f-8fe5dd00a36c · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 39
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Observation 245cf389-ac7a-48db-ad77-63421363e801 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Review of the No-Boundary Wave Function
Reference 40
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Observation bff6c56f-b5ba-45a1-a530-0f437aed0da9 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 41
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Observation e184b3ff-b024-4cfa-a29f-a56d792451ce · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 42
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Observation 34ec8aeb-af2e-4811-8c33-be4ecf400821 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Avoiding singularities in Lorentzian-Euclidean black holes: the role of atemporality
Reference 43
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Observation 53958996-b3e5-4dc9-9364-f0cb5e52facf · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Classical Signature Change in the Black Hole Topology
Reference 44
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Observation 48f0cfda-e615-4d63-b816-f67c08950637 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 45
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Observation 5ed576e3-402b-49bb-b45a-0ac8346ca769 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Nonsingular bouncing cosmology from general relativity
Reference 46
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Observation dbb3c211-971a-4f6b-a2d4-bdf897c34e1a · outbound
Reference 47
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Observation e8554b31-a67f-4f4f-b043-1fd18fe3bb9a · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Black-hole solution without curvature singularity and closed timelike curves
Reference 48
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Observation 69e2e225-7dcd-4f9b-a4e6-30a0f2a3e029 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Ashtekar, Phys
Reference 49
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Observation 51d59811-3782-4b88-99e8-8b7dd7dda62b · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm On dRGT massive gravity with degenerate reference metrics
Reference 50
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Observation b118f70d-e91b-48e1-a908-fbc8a062f61e · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm New solutions in pure gravity with degenerate tetrads
Reference 51
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Observation 86b57d5e-9830-444a-8b44-8d09108a071b · outbound
Reference 52
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Observation 26128691-f4d2-444f-8472-30926ae66054 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Hartman, Ordinary differential equations , Classics in Applied Mathematics No
Reference 53
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Observation be10be66-9701-4ff0-b20a-a40aedfd7adc · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Jacobson and L
Reference 54
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Observation 5daf4a2c-4fc7-4d5f-a1b6-9c99f6a500e4 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm The tensor Λ abc fulfills a crucial role in our analysis
Reference 55
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Observation 92a23d53-4ef1-4152-9a49-72c97c4339c3 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Geodesic motion in Euclidean Schwarzschild geometry
Reference 56
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Observation 42599c9f-d3d0-422d-9255-5f551eef0438 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm 1+1 Sector of 3+1 Gravity
Reference 57
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Observation 059f51b6-46d9-42c1-9429-11b03aead98d · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Kiefer, Quantum Gravity , 2nd ed
Reference 58
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Observation 52608675-9581-458c-8148-bd00a9569a8d · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Loop Quantum Cosmology: A Status Report
Reference 59
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Observation 15ded8c2-bcf1-4033-8e3d-99bead15d519 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm ( C9) in Appendix C), a result in line with the general features of Riemann-Cart an geometry [ 73, 74] (see also Eq
Reference 60
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Observation 448b850b-acf5-48aa-8ae5-93434cb7c47d · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm A Short Review of Loop Quantum Gravity
Reference 61
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Observation 7ea48278-9679-4622-9d86-d87814f698e2 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Skyrmion spacetime defect
Reference 62
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Observation 404db202-2b4b-4f09-be76-551cd6e6294c · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Günther, Skyrmion spacetime defect, degenerate metric, and negativ e gravitational mass (Master Thesis, KIT, Karlsruhe, September 2017)
Reference 63
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Observation 634ae65a-1f02-4f2b-9674-11e6973879c6 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 64
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Observation f14465b3-c55f-4d02-b938-5b89160c5f24 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm (C7) We can now prove that property Rabcd = Rcdab no longer holds due to the presence of a nonvanishing torsion tensor
Reference 65
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Observation af09d44e-55db-4028-ac0f-01a08019f8af · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 66
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Observation 4219f5f8-4770-46f5-8486-3de4d2c5ff50 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Strang, Linear Algebra and Its Applications (Elsevier Science, 2014)
Reference 67
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Observation 17aaaa0c-4480-4c7b-8518-02456cd9f8ab · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Mahmudov, Single Variable Differential and Integral Calculus: Mathem atical Analysis (Atlantis Press, 2013)
Reference 68
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Observation 02aa9f2a-3b44-4232-91b0-4b53e2a9f42b · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Bôcher, Trans
Reference 69
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Observation 3ebb3db7-06f5-401e-8600-18dfaafb7254 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Atindogbe, J.-P
Reference 70
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Observation 8396ba98-77b2-4d4a-97f7-45db02ba72da · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 71
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Observation a0ddd60f-250c-4963-9cb2-81cf046595bd · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Poisson, A Relativist’s Toolkit: The Mathematics of Black-Hole Mech anics (Cambridge University Press, 2009)
Reference 72
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Observation 5131539f-c152-4a1e-9fdb-c435c5adc31f · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 73
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Observation 7be087b5-8f3e-4c8c-84b5-25afb1938d51 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 74
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Observation 84a85a73-5c6c-448c-9ad3-458eeae24f2f · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 75
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Observation f504f243-115b-4012-93ca-b63a607ff5f1 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm On Singular Semi-Riemannian Manifolds
Reference 76
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Observation 205028d8-3c5c-449a-ba99-8c17475a4cb3 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm On degenerate metrics, dark matter and unification
Reference 77
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Observation b110cf44-a066-41a8-91f3-cc0e72b8e327 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Particle dynamics in spherically symmetric electro-vacuum instantons
Reference 78
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Observation de5459b3-94dc-4667-ad48-f9c9f0e456db · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Penrose, Proc
Reference 79
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Observation 7f303234-7c62-4b82-a216-b53b0c796621 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 80
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Observation 44c6ad8a-f677-443c-ad34-72792b355d55 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Particle motion and tidal force in a non-vacuum-charged naked singularity
Reference 81
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Observation 7cdec1fb-b507-45bc-ab97-cefe34ed871f · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 82
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Observation 6206e218-22b8-48c3-b8ec-0e63b9cb3a9f · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm The Moore-Penrose Pseudoinverse. A Tutorial Review of the Theory
Reference 83
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Observation 17b3e38c-565e-454a-b0f1-0c106fdf226d · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Singularity theorems and the inclusion of torsion in affine theories of gravity
Reference 84
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Observation 182571e6-3a69-4b85-86e2-fb276e120780 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Liang and B
Reference 85
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Observation 27b653fb-fccd-4867-aa68-d478cd2e4de3 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Nakahara, Geometry, topology and physics (2003)
Reference 86
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Observation be4a8e05-7b14-49e7-a325-40687f92ce97 · outbound
Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 87
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Reference 88
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Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm First-post-Newtonian generation of gravitational waves in Einstein-Cartan theory
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Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Penrose and W
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Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm ( 100) with: (i) Grr + Λ grr = 8πTrr; (ii) the angular components Gθθ + Λ gθθ = 8πTθθ or Gφφ + Λ gφφ = 8πTφφ; (iii) the trace of the field equations computed via ˜gab
Reference 92
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Reference 93
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Reference 94
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Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Topology Change and Causal Continuity
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Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 96
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Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Nonsingular, big-bounce cosmology from spinor-torsion coupling
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Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Saerkkae, Bayesian Filtering and Smoothing , Institute of Mathematical Statistics Text- books (Cambridge University Press, 2013)
Reference 98
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Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Trautman, Nature Physical Science 242, 7 (1973)
Reference 99
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Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm Unresolved cited work
Reference 100
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Reference 86
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Brane Symmetries Revisited: Symmetries of Tensile and Tensionless Branes in Possibly Degenerate Metrics and their Manifestations Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm
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Reference 58
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Energy conditions in static, spherically symmetric spacetimes and effective geometries Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm
Reference 70
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