30 citations · 31 across the 3 of their papers we have counts for
3 papers
alg-geom1997
Testing S-duality conjecture and exceptional bundles
Boris V. Karpov
In this paper we deal with algebro-geometrical problems connected with testing S-duality conjecture for super-symmetric Yang-Mills quantum field theories in four dimensions. We des…
alg-geom1997★ 30 cited
Three-block exceptional collections over Del Pezzo surfaces
Boris V. Karpov, Dmitri Yu. Nogin
We study complete exceptional collections of coherent sheaves over Del Pezzo surfaces, which consist of three blocks such that inside each block all Ext groups between the sheaves…
alg-geom1994★ 1 cited
Semistable sheaves on Del Pezzo surfaces and Kronecker modules
B. V. Karpov
In this paper we deal with semistable sheaves which can be represented as the cokernel of an injective (or as the kernel of a surjective) morphism $E_1\otimes\CC^m\longrightarrow E…