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.
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Format: | Article |
Language: | English |
Published: |
International Press,
2013-10-02T21:41:26Z.
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Subjects: | |
Online Access: | Get fulltext |