Seongchan Kim

activity

20222025

collaborators

Showing 2025Show all

2 papers · 1 filter

math.GT2025

Algebraic Mapping Class Group Rigidity

Seong Youn Kim

Let $g, n \geq 0$ and $Σ = Σ_{g, n}$ be a connected oriented surface of genus $g$ with $n$ punctures. The $SL_{2}$ -character variety of $Σ$ has a rigid relative automorphism…

math.DS2025

On invariants of families of lemniscate motions in the two-center problem

Hanna Haeussler, Seongchan Kim

We determine four topological invariants introduced by Cieliebak-Frauenfelder-Zhao, based on Arnold's $J^{+}$ -invariant, of periodic lemniscate motions in Euler's two-center problem.