Self cup products and the theta characteristic torsor

We give a general formula relating self cup products in cohomology to connecting maps in nonabelian cohomology, and apply it to obtain a formula for the self cup product associated to the Weil pairing.

Bibliographic Details
Main Authors: Poonen, Bjorn (Contributor), Rains, Eric (Contributor)
Other Authors: Massachusetts Institute of Technology. Department of Mathematics (Contributor)
Format: Article
Language:English
Published: International Press, 2013-10-02T21:41:26Z.
Subjects:
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