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math.FA2026
A Gleason-Kahane-Żelazko Theorem for spaces
Jaikishan, Sneh Lata, Dinesh Singh
We study two entities that have proved to be of interest and importance in their own right viz. the spaces and the classical Gleason-Kahane-Żelazko (GKZ) theorem. We e…
math.FA2026
Nearly invariant subspaces in the real Hardy space
Arshad Khan, Sneh Lata, Dinesh Singh
The objective of this article is to study nearly invariant subspaces of the backward shift operator on the real Hardy space. We also investigate nearly invariant subspaces with fin…
math.FA2026
Doubly twisted near-isometries: Classification and a Wold-type decomposition
Sneh Lata, Santosh Singh Negi, Dinesh Singh
We introduce and study doubly twisted near-isometries. A doubly twisted near-isometry is a tuple of near-isometries satisfying certain relations determined by a prescribed family o…