3 papers
math.FA2020
Multiplication operators between discrete Hardy spaces on rooted trees
P. Muthukumar, P. Shankar
Muthukumar and Ponnusamy \cite{MP-Tp-spaces} studied the multiplication operators on spaces. In this article, we mainly consider multiplication operators between $\m…
math.CV2020
Composition operators on Hardy spaces of the homogenous rooted trees
Perumal Muthukumar, Saminathan Ponnusamy
In \cite{CO-Tp-spaces}, the present authors initiated the study of composition operators on discrete analogue of generalized Hardy space defined on a homogeneous r…
math.FA2020
Beurling type invariant subspaces of composition operators
Snehasish Bose, P. Muthukumar, Jaydeb Sarkar
Let be the open unit disk in , let denote the Hardy space on and let be a holomorphic self map of…