>>434-435
ストリング幾何をやっている物理学者の論文につぎのような記述があります。

The fact remains however that pretty esoteric notions in cohomology due to
Grothendieck do seem to be directly applicable to D-brane physics, and so we
need to delve fairly deeply into this abstract world. ... We derive the fact that
B-branes are described by the derived category of coherent sheaves.

D-Branes on Calabi－Yau Manifolds
http://arxiv.org/pdf/hep-th/0403166