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Indian-American mathematician among three selected for inaugural Ciprian Foias Prize - Jammu Kashmir Latest News | Tourism

Indian-American mathematician among three selected for inaugural Ciprian Foias Prize - Jammu Kashmir Latest News | Tourism
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Scholarship Alert

Scholarship Alert
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"A categorical approach to operator semigroups" by Abraham C.S. Ng

Abstract
The aim of this paper is to exploit the structure of strongly continuous operator semigroups in order to formulate a categorical framework in which a fresh perspective can be applied to past operator theoretic results. In particular, we investigate the inverse-producing Arens extension for Banach algebras (Trans. Am. Math. Soc. 88:536–548, 1958) adapted for operators and operator semigroups by Batty and Geyer (J. Oper. Theory 78(2):473–500, 2017) in this new framework, asking and answering questions using categorical language. We demonstrate that the Arens extension defines an extension functor in this setting and that it forms an adjunction with the suitably defined forgetful functor. As a by-product of this categorical framework, we also revisit the work on Banach direct sums by Lachowicz and Moszyński (Semigroup Forum 93(1):34–70, 2016). This paper can be considered as a brief exploration of the triple interface between operator semigroups, Banach algebras, ....

Semigroup Forum , C Semigroups , Category Theory , Operator Theory ,