Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4585151 | Journal of Algebra | 2013 | 27 Pages |
Abstract
Orders on surfaces provide a rich source of examples of noncommutative surfaces. In Hoffmann and Stuhler (2005) [10] the authors prove the existence of the analogue of the Picard scheme for orders and in Chan and Kulkarni (2011) [7] the Picard scheme is explicitly computed for an order on P2 ramified on a smooth quartic. In this paper, we continue this line of work, by studying the Picard and Hilbert schemes for an order on P2 ramified on a union of two conics. Our main result is that, upon carefully selecting the right Chern classes, the Hilbert scheme is a ruled surface over a genus two curve. Furthermore, this genus two curve is, in itself, the Picard scheme of the order.
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory
Authors
Boris Lerner,