3 papers
astro-ph.GA2026
Spinning compact object and chaos in galactic centers
Ushasee Paria, Uditi Nag, Yeasin Ali +1
Galactic centres are highly dynamic regions dominated by a supermassive black hole (BH) surrounded by nuclear star clusters (NSC), molecular gas, and asymmetric matter distribution…
nlin.CD2026
Exploring Chaotic Motion of a Particle in the Centre of a Galaxy with a Prolate Halo
Uditi Nag, Yeasin Ali, Suparna Roychowdhury
The majority of galaxies are known to have supermassive black holes (SMBHs) at their core, which have a tremendous gravitational pull on the objects around them. When embedded with…
q-bio.PE2025
Universal features of epidemic and vaccine models
Sourav Chowdhury, Indrani Bose, Suparna Roychowdhury +1
In this paper, we study a stochastic susceptible-infected-susceptible (SIS) epidemic model that includes an additional immigration process. In the presence of multiplicative noise,…