2021/10/15 by Koseki, Naoki · 2 citations
#Algebraic Geometry (math.AG) #FOS: Mathematics
paper · doi:10.48550/arxiv.2110.08315
Let S be a smooth projective surface, and S be its blow-up at a point. In this paper, we study the derived category of the Hilbert scheme of points on the blow-up S. We obtain a semi-orthogonal decomposition consisting of the derived categories of the Hilbert schemes on the original surface S, which recovers the blow-up formula for the Euler characteristics obtained by Göttsche and Nakajima-Yoshioka. The proof uses the Quot formula, which was conjectured by Jiang and recently proved by Toda.