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math.GR2020
On Free Group Generated by Two Heisenberg Translations
Sagar B. Kalane, Devendra Tiwari
In this paper, we will discuss the groups generated by two Heisenberg translations of and determine when they are free. We improve a result given in \cite{xwy} by…
math.GR2018
On generalized Jørgensen inequality in
Krishnendu Gongopadhyay, Mukund Madhav Mishra, Devendra Tiwari
Wang, Jiang and Cao have obtained a generalized version of the Jørgensen inequality in Proc. Indian Acad. Sci. Math. Sci., 123(2):245--251, 2013, for two generator subgroups of ${\…