Geodesic
Topologically Trivial Sheaves on Curves with Simplest Singularities
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Algebraic geometry: Methods, relations, and applications, Tome 246 (2004), pp. 10-19 Cet article a éte moissonné depuis la source Math-Net.Ru

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Topologically trivial vector bundles on nodal curves were considered in Tyurin's book Quantization, Classical and Quantum Field Theory, and Theta Functions. In the present paper, a compactification of the moduli of such vector bundles by topologically trivial torsion-free sheaves is constructed, and a stability criterion for topologically trivial sheaves of ranks $1$ and $2$ is given. 
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     author = {I. V. Artamkin},
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I. V. Artamkin. Topologically Trivial Sheaves on Curves with Simplest Singularities. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Algebraic geometry: Methods, relations, and applications, Tome 246 (2004), pp. 10-19. http://geodesic.mathdoc.fr/item/TM_2004_246_a1/

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