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math.RT2025
Geometric-combinatorial approaches to tilting theory for weighted projective lines
Jianmin Chen, Jinfeng Zhang
We provide a geometric-combinatorial model for the category of coherent sheaves on the weighted projective line of type (2,2,n) via a cylindrical surface with n marked points on ea…
math.RT2024
Geometric model for vector bundles via infinite marked strips
Jianmin Chen, Shiquan Ruan, Jinfeng Zhang
We present a geometric model for the category of vector bundles over the weighted projective line of type (2,2,n). This model is based on the orbit space of an infinite marked stri…