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HMS symmetries and hypergeometric systems
Špela Špenko
The derived category of an algebraic variety might be a source of a myriad of new (categorical) symmetries. Some are predicted by homological mirror symmetry, to be obtained from t…
The Frobenius morphism in invariant theory II
Theo Raedschelders, Špela Špenko, Michel Van den Bergh
Let be the homogeneous coordinate ring of the Grassmannian defined over an algebraically closed field of characteristic . In this…
Tilting bundles on hypertoric varieties
Špela Špenko, Michel Van den Bergh
Recently McBreen and Webster constructed a tilting bundle on a smooth hypertoric variety (using reduction to finite characteristic) and showed that its endomorphism ring is Koszul.…
The Frobenius morphism in invariant theory
Theo Raedschelders, Špela Špenko, Michel Van den Bergh
Let be the homogeneous coordinate ring of the Grassmannian defined over an algebraically closed field of characteristic . In this paper…