• C S Rajan

      Articles written in Proceedings – Mathematical Sciences

    • On Cohomology Theory for Topological Groups

      Arati S Khedekar C S Rajan

      More Details Abstract Fulltext PDF

      We construct some new cohomology theories for topological groups and Lie groups and study some of its basic properties. For example, we introduce a cohomology theory based on measurable cochains which are continuous in a neighbourhood of the identity. We show that if 𝐺 and 𝐴 are locally compact and second countable, then the second cohomology group based on locally continuous measurable cochains as above parametrizes the collection of locally split extensions of 𝐺 by 𝐴.

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