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Type: Artigo de periódico
Title: Decomposability criterion for linear sheaves
Author: Jardim, M
da Silva, VMF
Abstract: We establish a decomposability criterion for linear sheaves on a'(TM) (n) . Applying it to instanton bundles, we show, in particular, that every rank 2n instanton bundle of charge 1 on a'(TM) (n) is decomposable. Moreover, we provide an example of an indecomposable instanton bundle of rank 2n - 1 and charge 1, thus showing that our criterion is sharp.
Subject: Linear sheaves
Instanton bundles
Representations of quivers
Country: Polónia
Editor: Versita
Citation: Central European Journal Of Mathematics. Versita, v. 10, n. 4, n. 1292, n. 1299, 2012.
Rights: fechado
Identifier DOI: 10.2478/s11533-012-0074-y
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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