Yu Shen

activity

20242026

most citedDerived Category of certain maximal order on

P^{2}

1 citations · 1 across the 8 of their papers we have counts for

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math.AG2026

A counterexample to a global-dimension bound for weighted projective lines

Bochao Kong, Yeqin Liu, Yu Shen

We observe that standard derived equivalences give a counterexample to a conjecture of Kalck on global dimension for weighted projective lines. For the root stack $X=\mathbb{P}^1\l…

math.RA2026

A counterexample to Han's conjecture

Bochao Kong, Yeqin Liu, Yu Shen

There is a finite dimensional $C$ -algebra with $gldim (A) = \infty$ and $HH_{n} (A) = 0$ for $n \geq 1$ .