V. Gupta

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math.OA2026

Regular diagonal subfactors

Keshab Chandra Bakshi, Ved Prakash Gupta, Guruprasad +1

We show that a diagonal subfactor arising from a finite family of automorphisms of a $I I_{1}$ -factor $Q$ is regular precisely when the classes of the defining automorphisms occur wit…

math.OA2026

Angles Between Intermediate Operator Subalgebras

Ved Prakash Gupta, Deepika Sharma

Motivated by [2] and [5], the notions of interior and exterior angles between a pair of compatible intermediate W*-subalgebras of an inclusion of W*-algebras with a normal conditio…

math.OA2025

Relations amongst the distances between $C^{*}$ -subalgebras and some canonically associated operator algebras

Ved Prakash Gupta, Sumit Kumar

We prove that the Christensen distance (resp., the Kadison-Kastler distance) between two $C^{*}$ -subalgebras $A$ and $B$ of a $C^{*}$ -algebra $C$ is equal…

Regular diagonal subfactors

Angles Between Intermediate Operator Subalgebras

Relations amongst the distances between C∗-subalgebras and some canonically associated operator algebras

Relations amongst the distances between $C^{*}$ -subalgebras and some canonically associated operator algebras