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On linear series and a conjecture of D. C. Butler

    https://doi.org/10.1142/S0129167X1550007XCited by:17 (Source: Crossref)

    Let C be a smooth irreducible projective curve of genus g and L a line bundle of degree d generated by a linear subspace V of H0(L) of dimension n + 1. We prove a conjecture of D. C. Butler on the semistability of the kernel of the evaluation map V ⊗ 𝒪C → L and obtain new results on the stability of this kernel. The natural context for this problem is the theory of coherent systems on curves and our techniques involve wall crossing formulae in this theory.

    AMSC: 14H60

    References