Poincaré duality for Ext–groups between strict polynomial functors
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- by Marcin Chałupnik
- Proc. Amer. Math. Soc. 144 (2016), 963-970
- DOI: https://doi.org/10.1090/proc12782
- Published electronically: July 1, 2015
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Abstract:
We study the relation between left and right adjoint functors to the precomposition functor. As a consequence, we obtain various dualities for the Ext–groups in the category of strict polynomial functors.References
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Bibliographic Information
- Marcin Chałupnik
- Affiliation: Institute of Mathematics, University of Warsaw, ul. Banacha 2, 02–097 Warsaw, Poland
- Email: mchal@mimuw.edu.pl
- Received by editor(s): November 13, 2014
- Received by editor(s) in revised form: March 3, 2015
- Published electronically: July 1, 2015
- Additional Notes: The author was supported by the grant (NCN) 2011/01/B/ST1/06184
- Communicated by: Pham Huu Tiep
- © Copyright 2015 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 144 (2016), 963-970
- MSC (2010): Primary 18A25, 18A40, 18G15, 20G15
- DOI: https://doi.org/10.1090/proc12782
- MathSciNet review: 3447650