3 papers
nucl-th2026
Embedded Random Matrix Ensembles to Statistical Shell Model: Operation of -normal forms
V. K. B. Kota, N. D. Chavda, Manan Vyas
Embedded random matrix ensembles operating in nuclear shell model spaces, with nucleons occupying a finite set of single particle orbits and interacting via a two-body interaction,…
q-fin.ST2025
From sectorial coarse graining to extreme coarse graining of S&P 500 correlation matrices
Manan Vyas, M. MijaÃl MartÃnez-Ramos, Parisa Majari +1
Starting from the Pearson Correlation Matrix of stock returns and from the desire to obtain a reduced number of parameters relevant for the dynamics of a financial market, we propo…
quant-ph2025
Distribution of lowest eigenvalue in -body bosonic random matrix ensembles
N. D. Chavda, Priyanka Rao, V. K. B. Kota +1
We present numerical investigations demonstrating the result that the distribution of the lowest eigenvalue of finite many-boson systems (say we have number of bosons) with …