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math.OC2023
Swarm-based optimization with random descent
Eitan Tadmor, Anil Zenginoglu
We extend our study of the swarm-based gradient descent method for non-convex optimization, [Lu, Tadmor & Zenginoglu, arXiv:2211.17157], to allow random descent directions. We reca…
gr-qc2023
Symmetric integration of the 1+1 Teukolsky equation on hyperboloidal foliations of Kerr spacetimes
Charalampos Markakis, Sean Bray, Anıl Zenginoğlu
This work outlines a fast, high-precision time-domain solver for scalar, electromagnetic and gravitational perturbations on hyperboloidal foliations of Kerr space-times. Time-domai…