Exotic sheaves are certain complexes of coherent sheaves on the cotangent bundle of the flag variety of a reductive group. They are closely related to perverse-coherent sheaves on the nilpotent cone. This expository article includes the definitions of these two categories, applications, and some structure theory, as well as detailed calculations for SL2.
CITATION STYLE
Achar, P. N. (2015). On exotic and perverse-coherent sheaves. Progress in Mathematics, 312, 11–49. https://doi.org/10.1007/978-3-319-23443-4_2
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