Instanton sheaves on complex projective spaces

Localización: Collectanea mathematica, ISSN 0010-0757, Vol. 57, Fasc. 1, 2006, págs. 69-91
Idioma: inglés
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Resumen
- We study a class of torsion-free sheaves on complex projective spaces which generalize the much studied mathematical instanton bundles. Instanton sheaves can be obtained as cohomologies of linear monads and are shown to be semistable if its rank is not too large, while semistable torsion-free sheaves satisfying certain cohomological conditions are instanton. We also study a few examples of moduli spaces of instanton sheaves.