Geodesic
Exceptional collections in surface-like categories
Sbornik. Mathematics, Tome 208 (2017) no. 9, pp. 1368-1398

Voir la notice de l'article provenant de la source Math-Net.Ru

We provide a categorical framework for recent results of Markus Perling's on the combinatorics of exceptional collections on numerically rational surfaces. Using it we simplify and generalize some of Perling's results as well as Vial's criterion for the existence of a numerical exceptional collection. Bibliography: 18 titles.
Keywords: surface-like pseudolattices, toric systems.
Mots-clés : exceptional collections, mutations 
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A. G. Kuznetsov. Exceptional collections in surface-like categories. Sbornik. Mathematics, Tome 208 (2017) no. 9, pp. 1368-1398. http://geodesic.mathdoc.fr/item/SM_2017_208_9_a5/