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pro vyhledávání: '"Karpov, Boris V."'
Autor:
Skripalenko, Mikhail M.1 (AUTHOR) mms@misis.ru, Karpov, Boris V.2 (AUTHOR), Rogachev, Stanislav O.3 (AUTHOR), Kaputkina, Liudmila M.1 (AUTHOR), Romantsev, Boris A.1 (AUTHOR), Skripalenko, Mikhail N.1 (AUTHOR), Huy, Tran Ba4 (AUTHOR), Fadeev, Viktor A.1 (AUTHOR), Danilin, Andrei V.1 (AUTHOR), Gladkov, Yuri A.5,6 (AUTHOR)
Publikováno v:
Materials (1996-1944). Nov2022, Vol. 15 Issue 22, p7980. 14p.
Akademický článek
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Autor:
Karpov, Boris V.
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 describe all field configurations such that beta function coefficient for
Externí odkaz:
http://arxiv.org/abs/alg-geom/9703034
Autor:
Karpov, Boris V., Nogin, Dmitri Yu.
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 are zero. We show that the ranks of all sheaves in such a block are th
Externí odkaz:
http://arxiv.org/abs/alg-geom/9703027
Autor:
Karpov, Boris V.
Let S be a smooth projective surface, K be the canonical class of S and H be an ample divisor such that H.K<0 . In this paper we prove that for any rigid (Ext^1(F,F)=0) semistable sheaf F in the sense of Mumford--Takemoto stability w.r.t. H there exi
Externí odkaz:
http://arxiv.org/abs/alg-geom/9511017