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math.AG2005
-objects and autoequivalences of derived categories
D. Huybrechts, R. P. Thomas
We describe new autoequivalences of derived categories of coherent sheaves arising from what we call -objects of the category. Standard examples arise from holomorphic…
math.AG2003★ 4 cited
The Brauer group of analytic K3 surfaces
Daniel Huybrechts, Stefan Schroeer
We show that for complex analytic K3 surfaces any torsion class in H^2(X,O_X^*) comes from an Azumaya algebra. In other words, the Brauer group equals the cohomological Brauer grou…