NSF Award

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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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
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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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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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Symmetric integration of the 1+1 Teukolsky equation on hyperboloidal foliations of Kerr spacetimes
This work outlines a fast, high-precision time-domain solver for scalar, electromagnetic and gravitational perturbations on …
Charalampos Markakis, Sean Bray, Anıl Zenginoğlu
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