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math.KT2022
Generalised homotopy and commutativity principle
Ravi A. Rao, Sampat Sharma
In this paper, we study the action of special linear (resp. symplectic) matrices which are homotopic to identity on the right invertible matrices. We also…
math.KT2018
The Pillars of Relative Quillen--Suslin Theory
Rabeya Basu, Reema Khanna, Ravi A. Rao
We deduce the relative version of the equivalences relating the relative Local Global Principle and the Normality of the relative Elementary subgroups of the traditional classical…
math.KT2012
A nice group structure on the orbit space of unimodular rows-II
Anjan Gupta, Anuradha Garge, Ravi A. Rao
We establish an Excision type theorem for niceness of group structure on the orbit space of unimodular rows of length modulo elementary action. This permits us to establish nic…