4 papers
Invariance Preserving Conjugations on the Hardy Space
Arup Chattopadhyay, Supratim Jana
We obtain a complete characterization of the class of conjugation operators on that map shift-invariant subspaces to shift-invariant subspaces. Alongside, we also obtain…
Restricted Toeplitz and Hankel Operators
Priyanka Aroda, Arup Chattopadhyay, Supratim Jana
We introduce and systematically study a class of operators that arise naturally due to the Beurling decomposition of the Hardy space . While the compressions of…
Near Invariance of The Dual Compressed Shift
Arup Chattopadhyay, Supratim Jana
We present the notion of the nearly dual compressed shift-invariant subspaces of the orthogonal complement of the model space and obtain their structure using Hitt's algorithm \cit…
Dual Truncated Hankel Operators: Characterizations and Properties
Arup Chattopadhyay, Supratim Jana
We introduce the notion of the Dual Truncated Hankel Operator (DTHO) and provide several operator equation characterizations using the dual compressed shift operator. These charact…