2 papers
math.FA2026
Helson matrices induced by measures
Sameer Chavan, Chaman Kumar Sahu, Kalyan B. Sinha
We discuss the boundedness, Schatten-class properties and scattering theory of Helson matrices. We also discuss a class of Helson matrices induced by positive and signed measures.…
math.FA2025
Nevanlinna-Pick interpolation in the right half-plane
Sameer Chavan, Chaman Kumar Sahu
The Szegö-Dirichlet kernel of the right half-plane is given by where denotes the Riema…