What does this research mean for the field?

Question

Accepted Answer

For a closed oriented smooth spin 4-manifold with non-zero signature, the Dehn twist about a (+2)- or (-2)-sphere is not homotopic to any finite order diffeomorphism, which negatively answers the Nielsen realization problem for groups generated by the mapping class of a Dehn twist. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

Dehn 비틀림과 스핀 4-다양체에 대한 Nielsen 실현 문제

Key Points

Abstract

Cite This Study