Finiteness of mapping degree sets for 3-manifolds

2010/10/08 by Derbez, Pierre, Sun, Hongbin, Wang, Shicheng
#55M25 #57M99 #FOS: Mathematics #Geometric Topology (math.GT)

paper · doi:10.48550/arxiv.1010.1638

Abstract

By constructing certain maps, this note completes the answer of the Question: For which closed orientable 3-manifold N, the set of mapping degrees cD(M,N) is finite for any closed orientable 3-manifold M?

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