Weak cosmic censorship, trapped surfaces, and naked singularities for the Einstein vacuum equations

Authors: Shlapentokh-Rothman, Yakov

Source: Comptes Rendus. Mécanique, Vol 353, Iss G1, Pp 379-410 (2025)

Subject Terms: Weak cosmic censorship, Trapped surfaces, Naked singularities, Materials of engineering and construction. Mechanics of materials, TA401-492

File Description: electronic resource

Relation: https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.5802/crmeca.284/; https://doaj.org/toc/1873-7234

Access URL: https://doaj.org/article/495eeb8ad433446297c643ba22bc9306

THE BLACK HOLE TEST.

Authors: Psaltis, Dimitrios, Doeleman, Sheperd S.

Source: Scientific American. Sep2015, Vol. 313 Issue 3, p74-79. 6p. 6 Color Photographs.

Subjects: GENERAL relativity (Physics), TELESCOPE design & construction, EINSTEIN, Albert, 1879-1955, SUPERMASSIVE black holes, NAKED singularities (Cosmology), PHYSICS research, ASTROPHYSICS research, GRAVITY

Event Horizon Telescope observations exclude compact objects in baseline mimetic gravity

Authors: Mohsen Khodadi, Sunny Vagnozzi, Javad T. Firouzjaee

Source: Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)

Subject Terms: Mimetic gravity, Black holes, Naked singularities, Black hole shadows, Cosmology, Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/1626696179f444399320184618288bed

Naked singularities. (cover story)

Authors: Joshi, Pankaj S.

Source: Scientific American. Feb2009, Vol. 300 Issue 2, p36-43. 8p.

Subjects: NAKED singularities (Cosmology), SUPERMASSIVE black holes, STELLAR evolution, GRAVITY, QUANTUM gravity

Singularity Crossing, Transformation of Matter Properties and the Problem of Parametrization in Field Theories.

Authors: Kamenshchik, A. Yu.^1,2 kamenshchik@bo.infn.it

Source: Foundations of Physics. Oct2018, Vol. 48 Issue 10, p1159-1176. 18p.

Subject Terms: *NAKED singularities (Cosmology), *PROPERTIES of matter, *FIELD theory (Physics), *TACHYONS, *DUST, *BIG bang theory, *METAPHYSICAL cosmology

3D Spacetimes Construction from (1+1)D Kitaev Superconductor Model.

Authors: Park, Miok¹, miokpark@kias.re.kr

Source: Foundations of Physics; Oct2018, Vol. 48 Issue 10, p1486-1499, 14p

Gravitational Collapse in Quantum Einstein Gravity.

Authors: Bonanno, Alfio^1,2, alfio.bonanno@oact.inaf.it, Koch, Benjamin³, bkoch@fis.puc.cl, Platania, Alessia^1,2,4, alessia.platania@oact.inaf.it

Source: Foundations of Physics; Oct2018, Vol. 48 Issue 10, p1393-1406, 14p, 5 Graphs

The Big Bang and its Dark-Matter Content: Whence, Whither, and Wherefore.

Authors: Penrose, Roger¹, rpenroad@gmail.com

Source: Foundations of Physics; Oct2018, Vol. 48 Issue 10, p1177-1190, 14p, 1 Black and White Photograph, 2 Diagrams

Axially Symmetric, Asymptotically Flat Vacuum Metric with a Naked Singularity and Closed Timelike Curves.

Authors: Sarma, Debojit¹, Ahmed, Faizuddin¹, Patgiri, Mahadev¹

Source: Advances in High Energy Physics. 11/21/2016, p1-4. 4p.

Subject Terms: *SPACE-time symmetries, *NAKED singularities (Cosmology), *EINSTEIN field equations, *SYMMETRY, *ISOMETRICS (Mathematics)

Flux Ropes as Singularities of the Vector Potential.

Authors: Kleman, M.¹ kleman@ipgp.fr

Source: Solar Physics. Mar2015, Vol. 290 Issue 3, p707-725. 19p.

Subject Terms: *NAKED singularities (Cosmology), *COSMIC magnetic fields, *FLUX (Energy), *ASTRONOMICAL perturbation, *SOLAR photosphere, *CORONAL mass ejections

Loop quantum cosmology and the fate of cosmological singularities.

Authors: Singh, Parampreet¹ psingh@phys.lsu.edu

Source: Bulletin of the Astronomical Society of India. Sep-Dec2014, Vol. 42 Issue 3/4, p121-146. 26p.

Subject Terms: *NAKED singularities (Cosmology), *RELATIVITY (Physics), *GRAVITATION, *BIG bang theory, *QUANTUM theory

Exceptional nexus with a hybrid topological invariant.

Authors: Tang, Weiyuan¹, Jiang, Xue², Ding, Kun³ k.ding@imperial.ac.uk, Xiao, Yi-Xin⁴, Zhang, Zhao-Qing, Chan, C. T., Ma, Guancong phgcma@hkbu.edu.hk

Source: Science. 11/27/2020, Vol. 370 Issue 6520, p1077-1080. 4p. 3 Diagrams.

Subject Terms: *NAKED singularities (Cosmology), *TOPOLOGICAL derivatives, *HERMITIAN structures, *TOPOLOGY, *STREETS

Non-singular cosmology using tachyon and general non-minimal kinetic coupling.

Authors: Banijamali, A.¹ a.banijamali@nit.ac.ir, Fazlpour, B.² b.fazlpour@umz.ac.ir

Source: Astrophysics & Space Science. Apr2012, Vol. 338 Issue 2, p319-326. 8p.

Subject Terms: *NAKED singularities (Cosmology), *TACHYONS, *GENERAL relativity (Physics), *EQUATIONS of state, *NUMERICAL analysis, *IMAGING phantoms

A Non-Singular Universe with Vacuum Energy.

Authors: Altaie, M.¹ maltaie@yu.edu.jo, al-Ahmad, Usama²

Source: International Journal of Theoretical Physics. Nov2011, Vol. 50 Issue 11, p3521-3528. 8p.

Subject Terms: *NAKED singularities (Cosmology), *VACUUM technology, *FORCE & energy, *TEMPERATURE effect, *COSMOLOGICAL constant, *QUANTUM field theory, *CRITICAL phenomena (Physics)

EFFECT OF MONOPOLE-DESITTER FIELD ON THE GRAVITATIONAL COLLAPSE OF RADIATING DYON SOLUTION.

Authors: Patila, K. D.¹ kishordpatil@yahoo.com, Deshmukhb, A. V.² ashokvde@yahoo.in, Warade, P. M.² pmwarade@yahoo.com

Source: Bulletin of Pure & Applied Sciences-Mathematics. 2010, Vol. 29E Issue 2, p297-308. 12p.

Subject Terms: *GRAVITATIONAL collapse, *NAKED singularities (Cosmology), *RELATIVISTIC astrophysics, *ASTRONOMICAL perturbation, *EINSTEIN field equations

String theory and cosmological singularities.

Authors: Das, Sumit R.¹ das@pa.uky.edu

Source: Pramana: Journal of Physics. Jul2007, Vol. 69 Issue 1, p93-108. 16p. 2 Diagrams.

Subject Terms: *STRING models (Physics), *NAKED singularities (Cosmology), *GENERAL relativity (Physics), *SUPERMASSIVE black holes, *QUANTUM theory

On the genericity of spacetime singularities.

Authors: Joshi, Pankaj S.¹ psj@tifr.res.in

Source: Pramana: Journal of Physics. Jul2007, Vol. 69 Issue 1, p119-135. 17p.

Subject Terms: *NAKED singularities (Cosmology), *SPACETIME, *METAPHYSICAL cosmology, *GRAVITATIONAL collapse, *GENERAL relativity (Physics)

A singularity theorem based on spatial averages.

Authors: Senovilla, J. M. M.¹

Source: Pramana: Journal of Physics. Jul2007, Vol. 69 Issue 1, p31-47. 17p.

Subject Terms: *NAKED singularities (Cosmology), *EQUATIONS, *SPACE, *METAPHYSICAL cosmology

People: RAYCHAUDHURI, A. K.

Time travel, and how to achieve it.

Authors: Merali, Zeeya

Source: New Scientist. 10/27/2007, Vol. 196 Issue 2627, p8-9. 2p.

Subjects: TIME travel, DE Felice, Fernando, SPACETIME, SUPERMASSIVE black holes, NAKED singularities (Cosmology), GAMMA ray bursts

Quantum cloaks for singularities.

Authors: Crane, Leah

Source: New Scientist. 4/22/2017, Vol. 234 Issue 3122, p11-11. 3/4p.

Subjects: GENERAL relativity (Physics), NAKED singularities (Cosmology)