1 citations · 1 across the 5 of their papers we have counts for
Showing 2018Show all
2 papers · 1 filter
math.FA2018
Hypercontractions and factorizations of multipliers in one and several variables
Monojit Bhattacharjee, B. Krishna Das, Jaydeb Sarkar
We introduce the notion of characteristic functions for commuting tuples of hypercontractions on Hilbert spaces, as a generalization of the notion of Sz.-Nagy and Foias characteris…
math.FA2018
Isometric dilations and von Neumann inequality for finite rank commuting contractions
Sibaprasad Barik, B. Krishna Das, Jaydeb Sarkar
Motivated by Ball, Li, Timotin and Trent's Schur-Agler class version of commutant lifting theorem, we introduce a class, denoted by , of -tuples of c…