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What is Cohomology of Compactified Rank 2 Sheaves about?

1. The paper generalizes the concept of a p-sheaf of rank 2 over a scheme S from prior work. It defines a left or right p-sheaf of rank 2 with zero at a closed subscheme D and pole at a closed subscheme E to consist of: a locally free sheaf of rank 2 on XxS, a left or right (D,E)-modification of it, morphisms to a rank 1 p-sheaf over S with zero at D and pole at E, and some additional conditions. 2. Nondegenerate p-sheaves are p-sheaves in the previous sense, with the morphism to the rank 1 sheaf an isomo

Author

Dao Thinh

Language

EN