• Keshab Chandra Bakshi

      Articles written in Proceedings – Mathematical Sciences

    • On Pimsner-Popa bases

      Keshab Chandra Bakshi

      More Details Abstract Fulltext PDF

      In this paper, we examine bases for finite index inclusion of ${\rm II}_1$ factors and connected inclusion of finite dimensional $C^\ast$-algebras. These bases behave nicely with respect to basic construction towers. As applications we have studied automorphisms of the hyperfinite ${\rm II}_1$ factor $R$ which are ‘compatible with respect to the Jones’ tower of finite dimensional $C^\ast$-algebras’. As a further application, in both cases we obtain a characterization, in terms of bases, of basic constructions. Finally we use these bases to describe the phenomenon of multistep basic constructions (in both the cases).

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