Self cup products and the theta characteristic torsor
Author(s)
Poonen, Bjorn; Rains, Eric
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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.
Date issued
2011-11Department
Massachusetts Institute of Technology. Department of MathematicsJournal
Mathematical Research Letters
Publisher
International Press
Citation
Poonen, Bjorn, and Eric Rains. “Self cup products and the theta characteristic torsor.” Mathematical Research Letters 18, no. 6 (2011): 1305-1318.
Version: Author's final manuscript
ISSN
10732780
1945001X