Browsing Mathematics and Computer Studies (Peer-reviewed publications) by Subject "Picard group"
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(Documenta Mathematica, 2010)Let G be an affine reductive algebraic group over an algebraically closed field k. We determine the Picard group of the moduli stacks of principal G–bundles on any smooth projective curve over k.
The Picard group of a coarse moduli space of vector bundles in positive characteristic (Pre-published version) (Versita, co-published with Springer Verlag., 2012)Let C be a smooth projective curve over an algebraically closed field of arbitrary characteristic. Let Mss r,L denote the projective coarse moduli scheme of semistable rank r vector bundles over C with fixed determinant ...