S. Bose

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math.FA2020

Beurling type invariant subspaces of composition operators

Snehasish Bose, P. Muthukumar, Jaydeb Sarkar

Let $D$ be the open unit disk in $C$ , let $H^{2}$ denote the Hardy space on $D$ and let $φ : D \to D$ be a holomorphic self map of…

math.FA2019

Solutions of a class of nonlinear matrix equations

Samik Pakhira, Snehasish Bose, Sk Monowar Hossein

In this article we present several necessary and sufficient conditions for the existence of Hermitian positive definite solutions of nonlinear matrix equations of the form $X^s + A…