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math.GR2022★ 1 cited
The automorphism groups of Artin groups of edge-separated CLTTF graphs
Byung Hee An, Youngjin Cho
We provide an explicit presentation of the automorphism group of an edge-separated CLTTF Artin group.
math.SG2022
Lagrangian fillings for Legendrian links of finite or affine Dynkin type
Byung Hee An, Youngjin Bae, Eunjeong Lee
We prove that there are at least as many exact embedded Lagrangian fillings as seeds for Legendrian links of finite type or affine type $\tilde{\mathsf{D}} \tilde{\m…