2 papers
math.FA2026
Boundary quadruples and bijective realisations of abstract Friedrichs operators
Sandeep Kumar Soni
The theory of boundary quadruples and boundary triples is well-studied for symmetric and skew-symmetric operators and in general for dual-pairs. This paper adapts a suitable versio…
math.AP2026
m-Accretive Extensions of Friedrichs Operators
Krešimir Burazin, Marko Erceg, Sandeep Kumar Soni
The introduction of abstract Friedrichs operators in 2007-an operator-theoretic framework for studying classical Friedrichs operators has led to significant developments in the fie…