Csaba Nagy

activity

20172026

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math.GT2026

A survey on mapping class groups of 3-manifolds

Philipp Bader, Rachael Boyd, Giulia Carfora +8

We survey computations and tools concerning the mapping class group of a compact, oriented, connected 3-manifold $M$ . We provide a guide to the literature and sketch proofs for var…

math.GT2026

Realising automorphisms of the extended intersection form by diffeomorphisms

Csaba Nagy

Suppose that $f : M \to B$ is a normal $(q - 1)$ -smoothing of a $2 q$ -manifold $M$ over some $(B, ξ)$ , where $q$ is even and $B$ is simply-connected. A diffeomorphism of $M$ ov…