Suhas Pandit
Articles written in Proceedings – Mathematical Sciences
Volume 120 Issue 2 April 2010 pp 217-241
Splittings of Free Groups, Normal Forms and Partitions of Ends
Siddhartha Gadgil Suhas Pandit
Splittings of a free group correspond to embedded spheres in the 3-manifold $M=\sharp_k S^2\times S^1$. These can be represented in a normal form due to Hatcher. In this paper, we determine the normal form in terms of
Volume 124 Issue 2 May 2014 pp 255-265
A Note on Automorphisms of the Sphere Complex
In this note, we shall give another proof of a theorem of Aramayona and Souto, namely the group of simplicial automorphisms of the sphere complex $\mathbb{S}(M)$ associated to the manifold $M=\sharp_nS^2\times S^1$ is isomorphic to the group Out $(F_n)$ of outer automorphisms of the free group $F_n$ of rank $n\geq 3$.
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