3 papers
astro-ph.HE2026
The SPOTLIGHT Pulsar Search Pipeline: A GPU-Accelerated FFT Approach
Jyotirmoy Das, Jayanta Roy, Nishant Pradeep Deo +20
We present the pulsar search component of SPOTLIGHT (Survey for sPoradic radiO bursTs via a commensaL multI-beam Gpu-powered Hpc at the gmrT), a GPU-accelerated commensal backend o…
astro-ph.HE2025
Kerr Black Hole Shadows in Dispersive Plasma: Frequency-Dependent Geodesics and Shadow Distortions
Sai Karan Mukthapuram, Sandeep Kumar Kataria
The black hole shadow, a direct probe of the event horizon's gravitational influence, has been observationally confirmed by the Event Horizon Telescope (EHT). While theoretical mod…
nlin.CD2000
Estimation of initial conditions from a scalar time series
Anil Maybhate, R. E. Amritkar
We introduce a method to estimate the initial conditions of a mutivariable dynamical system from a scalar signal. The method is based on a modified multidimensional Newton-Raphson…