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math.RA2016
Generalised Witt algebras and idealizers
Susan J. Sierra, Špela Špenko
Let be an algebraically closed field of characteristic zero, and let be an additive subgroup of . Results of Kaplansky-Santharoubane and Su classify intermediate…
math.AG2016
Semi-orthogonal decompositions of GIT quotient stacks
Špela Špenko, Michel Van den Bergh
If G is a reductive group which acts on a linearized smooth scheme then we show that under suitable standard conditions the derived category of coherent sheaves of the correspo…