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2 papers

gr-qc2026

An obstruction and residual-completion theory for Newman--Janis deformations

Reggie C. Pantig, Ali Övgün, Ali Övgün

We formulate an obstruction and residual-completion theory for Newman-Janis-type deformations of black hole seeds, where Newman-Janis-type includes both the original complex-coordi…

gr-qc2026

Ringdown modulation of acceleration radiation in the Schwarzschild background

Reggie C. Pantig

We derive an analytic first-order description of how Schwarzschild ringdown affects a detector-based detailed-balance diagnostic in a near-horizon, single-mode setting. A freely fa…