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Causal concept for the general black hole shadow is investigated, instead of the photon sphere.
Applications of the theory of boolean rings to general topology
M. H. Stone · 1937
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On Continued gravitational contraction
J. R. Oppenheimer and H. Snyder · 1939
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The escape of photons from gravitationally intense stars
J. L. Synge · 1966
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Astrophys.J. 151,659
K.S. Thorne W.L. Ames · 1968
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Ideal points in space-time
Robert P. Geroch, E. H. Kronheimer, and Roger Penrose · 1972
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Absorption and emission spectra of a schwarzschild black hole
Norma Sanchez · 1978
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Kinematical conditions in the construction of spacetime
Larry Smarr and James W. York · 1978
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On the transition from weyl to ricci focusing
C. C. Dyer and R. C. Roeder · 1981
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General Relativity
Robert M. Wald · 1984
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Spinors and space-time, vol. ii
Roger Penrose and Wolfgang Rindler · 1986
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Topology of event horizon
Masaru Siino · 1998
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Topological appearance of event horizon: What is the topology of the event horizon that we can see?
Masaru Siino · 1998
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The Asymmetric merger of black holes
Sascha Husa and Jeffrey Winicour · 1999
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Viewing the shadow of the black hole at the galactic center
Heino Falcke, Fulvio Melia, and Eric Agol · 2000
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Schwarzschild black hole lensing
K. S. Virbhadra and George F. R. Ellis · 2000
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The Geometry of photon surfaces
Clarissa-Marie Claudel, K. S. Virbhadra, and G. F. R. Ellis · 2001
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Gravitational lensing in the strong field limit
V. Bozza · 2002
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Reissner-nordström black hole lensing
Ernesto F. Eiroa, Gustavo E. Romero, and Diego F. Torres · 2002
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Spherical photon orbits around a kerr black hole
Edward Teo · 2003
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Quasiequatorial gravitational lensing by spinning black holes in the strong field limit
V. Bozza · 2003
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On relativistic corrections to microlensing effects: applications to the galactic black hole
A. O. Petters · 2003
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Gravitational lensing from a spacetime perspective
V. Perlick · 2004
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Topology of event horizon in axially symmetric spacetime: Classification of maxwell set with symmetry
Masaru Siino · 2005
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Light’s bending angle due to black holes: from the photon sphere to infinity
S. V. Iyer and A. O. Petters · 2007
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The Event Horizon of Sagittarius A*
Avery E. Broderick, Abraham Loeb, and Ramesh Narayan · 2009
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Half-period theorem of binary black holes
M. Siino and D. Ida · 2009
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Shape and position of the shadow in the δ = 2 \delta=2 Tomimatsu-Sato space-time
Cosimo Bambi and Naoki Yoshida · 2010
Cited alongside, same era.
Null geodesics and shadow of a rotating black hole in extended Chern-Simons modified gravity
Leonardo Amarilla, Ernesto F. Eiroa, and Gaston Giribet · 2010
Cited alongside, same era.
Unstable circular null geodesics of static spherically symmetric black holes, regge poles, and quasinormal frequencies
Yves Décanini, Antoine Folacci, and Bernard Raffaelli · 2010
Cited alongside, same era.
Connection between black-hole quasinormal modes and lensing in the strong deflection limit
Ivan Zh. Stefanov, Stoytcho S. Yazadjiev, and Galin G. Gyulchev · 2010
Cited alongside, same era.
The Large Scale Structure of Space-Time
S. W. Hawking and G. F. R. Ellis · 2011
Cited alongside, same era.
The fingerprints of black holes—shadows and their degeneracies
Marc Mars, Claudio F Paganini, and Marius A Oancea · 2017
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Fundamental photon orbits: Black hole shadows and spacetime instabilities
Pedro V. P. Cunha, Carlos A. R. Herdeiro, and Eugen Radu · 2017
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Light-ring stability for ultracompact objects
Pedro V. P. Cunha, Emanuele Berti, and Carlos A. R. Herdeiro · 2017
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Light curves of light rays passing through a wormhole
Naoki Tsukamoto and Tomohiro Harada · 2017
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Black hole fusion in the extreme mass ratio limit
Roberto Emparan, Marina Martinez, and Miguel Zilhao · 2018
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On the number of light rings in curved spacetimes of ultra-compact objects
Shahar Hod · 2018
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Avery E. Broderick, Vincent L. Fish, Sheperd S. Doeleman, and Abraham Loeb · 2011
Cited alongside, same era.
Shadows of colliding black holes
Daisuke Nitta, Takeshi Chiba, and Naoshi Sugiyama · 2011
Cited alongside, same era.
TOPOLOGICAL CLASSIFICATION OF BLACK HOLES: GENERIC MAXWELL SET AND CREASE SET OF a HORIZON
MASARU SIINO and TATSUHIKO KOIKE · 2011
Cited alongside, same era.
On Toroidal Horizons in Binary Black Hole Inspirals
Michael I. Cohen, Jeffrey D. Kaplan, and Mark A. Scheel · 2012
Cited alongside, same era.
Shadows of Multi-Black Holes: Analytic Exploration
Akifumi Yumoto, Daisuke Nitta, Takeshi Chiba, and Naoshi Sugiyama · 2012
Cited alongside, same era.
Shadow of a rotating braneworld black hole
Leonardo Amarilla and Ernesto F. Eiroa · 2012
Cited alongside, same era.
Shadow of Kerr-Taub-NUT black hole
Ahmadjon Abdujabbarov, Farruh Atamurotov, Yusuf Kucukakca, Bobomurat Ahmedov, and Ugur Camci · 2013
Cited alongside, same era.
The shadow of a collapsing dark star
Stefanie Schneider and Volker Perlick · 2018
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Shadow of a black hole at cosmological distances
Gennady S. Bisnovatyi-Kogan and Oleg Yu. Tsupko · 2018
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Rotating accretion flows in d dimensions: Sonic points, critical points, and photon spheres
Yasutaka Koga and Tomohiro Harada · 2018
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First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole
Kazunori Akiyama et al · 2019
Closest in time.
First M87 Event Horizon Telescope Results. II. Array and Instrumentation
Kazunori Akiyama et al · 2019
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First M87 Event Horizon Telescope Results. III. Data Processing and Calibration
Kazunori Akiyama et al · 2019
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First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole
Kazunori Akiyama et al · 2019
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First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring
Kazunori Akiyama et al · 2019
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First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole
Kazunori Akiyama et al · 2019
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Testing the rotational nature of the supermassive object m87 from the circularity and size of its first image
Cosimo Bambi, Katherine Freese, Sunny Vagnozzi, and Luca Visinelli · 2019
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Hunting for extra dimensions in the shadow of m87
Sunny Vagnozzi and Luca Visinelli · 2019
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Quasi-local photon surfaces in general spherically symmetric spacetimes
Li-Ming Cao and Yong Song · 2019
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Understanding photon sphere and black hole shadow in dynamically evolving spacetimes
Akash K Mishra, Sumanta Chakraborty, and Sudipta Sarkar · 2019
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Photon surfaces in spherically, planar, and hyperbolically symmetric spacetimes in d dimensions: Sonic point/photon sphere correspondence
Yasutaka Koga · 2019
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Completing characterization of photon orbits in kerr and kerr-newman metrics
D. V. Gal’tsov and K. V. Kobialko · 2019
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Photon trapping in static axially symmetric spacetime
D. V. Gal’tsov and K. V. Kobialko · 2019
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Stability of null orbits on photon spheres and photon surfaces
Yasutaka Koga and Tomohiro Harada · 2019
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Analytical approach to strong gravitational lensing from ultracompact objects
Rajibul Shaikh, Pritam Banerjee, Suvankar Paul, and Tapobrata Sarkar · 2019
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How does a collapsing star look?
Hirotaka Yoshino, Kazuma Takahashi, and Ken ichi Nakao · 2019
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Transversely trapping surfaces: Dynamical version
Hirotaka Yoshino, Keisuke Izumi, Tetsuya Shiromizu, and Yoshimune Tomikawa · 2020
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