21 citations · 77 across the 8 of their papers we have counts for
5 papers · 1 filter
A theoretical framework of BL Her stars. I. Effect of metallicity and convection parameters on period-luminosity and period-radius relations
Susmita Das, Shashi M. Kanbur, Radoslaw Smolec +3
We present a new grid of convective BL Herculis models using the state-of-the-art 1D non-linear radial stellar pulsation tool MESA-RSP. We investigate the impact of metallicity and…
A study of the stellar photosphere-hydrogen ionisation front interaction in pulsating variables using period-color relations
Susmita Das, Shashi M. Kanbur, Earl P. Bellinger +2
Period-color (PC) relations may be used to study the interaction of the stellar photosphere and the hydrogen ionization front (HIF). RR Lyraes (RRLs) and long period classical Ceph…
Tridiagonal kernels and left-invertible operators with applications to Aluthge transforms
Susmita Das, Jaydeb Sarkar
Given scalars and , , the tridiagonal kernel or band kernel with bandwidth is the positive definite kernel on the open unit disc …
Submodules in polydomains and noncommutative varieties
Susmita Das, Deepak Kumar Pradhan, Jaydeb Sarkar
Tensor product of Fock spaces is analogous to the Hardy space over the unit polydisc. This plays an important role in the development of noncommutative operator theory and function…
The stellar photosphere-hydrogen ionization front interaction in Classical Pulsators: a theoretical explanation for observed period-colour relations
Susmita Das, Shashi M. Kanbur, Earl P. Bellinger +6
Period-colour and amplitude-colour (PCAC) relations can be used to probe both the hydrodynamics of outer envelope structure and evolutionary status of Cepheids and RR Lyraes. In th…