2 papers
math.FA2024
Contractive representations of odometer semigroup
Anindya Ghatak, Narayan Rakshit, Jaydeb Sarkar +1
Given a natural number , the odometer semigroup , also known as the adding machine or the Baumslag-Solitar monoid with two generators, is a well-known object in grou…
math.FA2022
Orthogonal decompositions and twisted isometries II
Narayan Rakshit, Jaydeb Sarkar, Mansi Suryawanshi
We classify tuples of (not necessarily commuting) isometries that admit von Neumann-Wold decomposition. We introduce the notion of twisted isometries for tuples of isometries and p…