Chuangqiang Hu

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math.AG2024

Groupoids derived from the simple elliptic singularities

Chuangqiang Hu, Stephen S. -T. Yau, Huaiqing Zuo

K. Saito's classification of simple elliptic singularities includes three families of weighted homogeneous singularities: $E ~_{6}, E ~_{7}$ , and $E ~_{8}$ . For ea…

math.AG2024

On the $k$ -th Tjurina number of weighted homogeneous singularities

Chuangqiang Hu, Stephen S. -T. Yau, Huaiqing Zuo

Let $(X, 0)$ denote an isolated singularity defined by a weighted homogeneous polynomial $f$ . Let $O$ be the local algebra of holomorphic function germs at the origin…

Groupoids derived from the simple elliptic singularities

On the k-th Tjurina number of weighted homogeneous singularities

On the $k$ -th Tjurina number of weighted homogeneous singularities