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math.FA2015
Integral triangular operators and Friedrichs model
Lev Sakhnovich
In the present paper we investigate a semi-group of triangular integral operators , which is an analogue of the semi-group of the fractional integral operators . With the…
math.SP2015★ 4 cited
-triangular operators: spectral properties and important examples
Lev Sakhnovich
We introduce a notion of -triangular operators in the Hilbert space using some basic ideas from triangular representation theory. Our notion generalizes the well-known notio…