3 papers
cs.DS2026
A Fourier analytique approach to Gaussian mixture learning
Somnath Chakraborty, Hariharan Narayanan
Suppose that we are given independent, identically distributed random samples from a mixture at most many -dimensional spherical Gaussian distributions $μ_…
cs.CC2025
On hardness of computing analytic Brouwer degree
Somnath Chakraborty
We prove that counting the analytic Brouwer degree of rational coefficient polynomial maps in -- presented in degree-coefficient form…
math.ST2024
Optimal Designs for Regression on Lie Groups
Somnath Chakraborty, Holger Dette, Martin Kroll
We consider a linear regression model with complex-valued response and predictors from a compact and connected Lie group. The regression model is formulated in terms of eigenfuncti…