2 papers
math.OA2025
Doubly Commuting Semigroups of Isometries
C. H. Namitha, S. Sundar, Shankar Veerabathiran
In this paper, we discuss the structure of doubly commuting semigroups of isometries. We record a new proof of Cooper's theorem in the Hilbert module setting. We discuss the Fell t…
math.OA2025
Notes on -algebras
S. Sundar
These lecture notes on -algebras were prepared for a couple of courses given by the author at IMSc and also at IIT Gandhinagar. The topics covered are: Gelfand-Naimark theor…