Article-Journal

A null infinity layer for wave scattering
We solve time-harmonic wave scattering problems on unbounded domains without domain truncation by mapping the unbounded domain to a …
Anıl Zenginoğlu
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Late-time tails in nonlinear evolutions of merging black holes
We uncover late-time gravitational-wave tails in fully nonlinear 3+1 dimensional numerical relativity simulations of merging black …
Marina De Amicis, Hannes R. Rüter, Gregorio Carullo, Simone Albanesi, C. Melize Ferrus, Keefe Mitman, Leo C. Stein, Vitor Cardoso, Sebastiano Bernuzzi, Michael Boyle, Nils Deppe, Lawrence E. Kidder, Jordan Moxon, Alessandro Nagar, Kyle C. Nelli, Harald P. Pfeiffer, Mark A. Scheel, William Throwe, Nils L. Vu, Anıl Zenginoğlu
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Perturbative Hyperboloidal Extraction of Gravitational Waves in 3+1 Numerical Relativity
We present a framework to propagate to null infinity gravitational waves computed at timelike worldtubes in the interior of a 3+1 …
Sebastiano Bernuzzi, Joan Fontbuté, Simone Albanesi, Anıl Zenginoğlu
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Topical Collection – Hyperboloidal foliations in the era of gravitational-wave astronomy: from mathematical relativity to astrophysics
Editorial introducing the GRG Topical Collection “Hyperboloidal foliations in the era of gravitational-wave astronomy,” on …
David Hilditch, Rodrigo Panosso Macedo, Alex Vañó-Viñuales, Anıl Zenginoğlu
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Bridging time across null horizons
General relativity, as a diffeomorphism-invariant theory, allows the description of physical phenomena in a wide variety of coordinate …
Anıl Zenginoğlu
PDF Cite DOI Journal arXiv
Hyperboloidal Approach to Quasinormal Modes
Oscillations of black hole spacetimes exhibit divergent behavior toward the bifurcation sphere and spatial infinity. This divergence …
Rodrigo Panosso Macedo, Anıl Zenginoğlu
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Swarm-Based Gradient Descent Method for Non-Convex Optimization
We introduce a new Swarm-Based Gradient Descent (SBGD) method for non-convex optimization. The swarm consists of agents, each is …
Jingcheng Lu, Eitan Tadmor, Anıl Zenginoğlu
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Hyperbolic times in Minkowski space
Time functions with asymptotically hyperbolic geometry play an increasingly important role in many areas of relativity, from computing …
Anıl Zenginoğlu
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Data Science Education in Undergraduate Physics: Lessons Learned from a Community of Practice
It is becoming increasingly important that physics educators equip their students with the skills to work with data effectively. …
Karan Shah, Julie Butler, Alexis Knaub, Anıl Zenginoğlu, William Ratcliff, Mohammad Soltanieh-Ha
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Swarm-Based Optimization with Random Descent
We extend our study of the swarm-based gradient descent method for non-convex optimization, to allow random descent directions. We …
Eitan Tadmor, Anıl Zenginoğlu
PDF Cite DOI Journal arXiv