Nielsen Realization for sphere twists on 3-manifolds

2022/04/11 by Chen, Lei, Tshishiku, Bena
#57M60 #FOS: Mathematics #Geometric Topology (math.GT)

paper · doi:10.48550/arxiv.2204.04820

Abstract

For a 3-manifold M, the twist group Twist(M) is the subgroup of the mapping class group Mod(M) generated by twists about embedded 2-spheres. We study the Nielsen realization problem for subgroups of Twist(M). We prove that a nontrivial subgroup G

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