24 citations · 80 across the 39 of their papers we have counts for
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math.FA2019
Taylor spectrum approach to Brownian-type operators with quasinormal entry
Sameer Chavan, Zenon Jan Jabłoński, Il Bong Jung +1
In this paper, we introduce operators that are represented by upper triangular block matrices whose entries satisfy some algebraic constraints. We call them Brownian-ty…
math.FA2019★ 2 cited
m-isometric operators and their local properties
Z. J. Jablonski, I. B. Jung, J. Stochel
In this paper we give necessary and sufficient conditions for a bounded linear Hilbert space operator to be an -isometry for an unspecified written in terms of conditions th…
math.FA2019
A Subnormal Completion Problem for Weighted Shifts on Directed Trees, II
George R. Exner, Il Bong Jung, Jan Stochel +1
The subnormal completion problem on a directed tree is to determine, given a collection of weights on a subtree, whether the weights may be completed to the weights of a subnormal…