3 papers
astro-ph.SR2026
Self-Consistent Nonlinear Classical Cepheid Pulsations During Stellar Evolution with MESA
Ebraheem Farag, Earl P. Bellinger, Philip Mocz +5
We extend the time-dependent convection treatment in \code{MESA} by introducing eddy-viscous damping. This software change brings \code{MESA-TDC} into closer alignment with the rad…
q-fin.CP2025
DeepSVM: Learning Stochastic Volatility Models with Physics-Informed Deep Operator Networks
Kieran A. Malandain, Selim Kalici, Hakob Chakhoyan
Real-time calibration of stochastic volatility models (SVMs) is computationally bottlenecked by the need to repeatedly solve coupled partial differential equations (PDEs). In this…
astro-ph.SR2024
Bridging theory and observations in stellar pulsations: The impact of convection and metallicity on the instability strips of Classical and Type-II Cepheids
Mami Deka, Earl P. Bellinger, Shashi M. Kanbur +5
The effect of metallicity on the theoretical and empirical period-luminosity (PL) relations of Cepheid variables is not well understood and remains a highly debated issue. Here, we…