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Transactions of the American Mathematical Society

Published by the American Mathematical Society since 1900, Transactions of the American Mathematical Society is devoted to longer research articles in all areas of pure and applied mathematics.

ISSN 1088-6850 (online) ISSN 0002-9947 (print)

The 2020 MCQ for Transactions of the American Mathematical Society is 1.48.

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On compactly generated torsion pairs and the classification of co-$t$-structures for commutative noetherian rings
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by Jan Šťovíček and David Pospíšil PDF
Trans. Amer. Math. Soc. 368 (2016), 6325-6361 Request permission

Abstract:

We classify compactly generated co-$t$-structures on the derived category of a commutative noetherian ring. In order to accomplish this, we develop a theory for compactly generated Hom-orthogonal pairs (also known as torsion pairs in the literature) in triangulated categories that resembles Bousfield localization theory. Finally, we show that the category of perfect complexes over a connected commutative noetherian ring admits only the trivial co-$t$-structures and (de)suspensions of the canonical co-$t$-structure and use this to describe all silting objects in the category.
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Additional Information
  • Jan Šťovíček
  • Affiliation: Faculty of Mathematics and Physics, Department of Algebra, Charles University, Sokolovská 83, 186 75 Prague 8, Czech Republic
  • Email: stovicek@karlin.mff.cuni.cz
  • David Pospíšil
  • Affiliation: Faculty of Mathematics and Physics, Department of Algebra, Charles University, Sokolovská 83, 186 75 Prague 8, Czech Republic
  • Email: pospisil.david@gmail.com
  • Received by editor(s): June 20, 2013
  • Received by editor(s) in revised form: August 18, 2014
  • Published electronically: December 3, 2015
  • Additional Notes: This research was supported by GA ČR P201/12/G028.
  • © Copyright 2015 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 368 (2016), 6325-6361
  • MSC (2010): Primary 18E30, 13C05; Secondary 18G55, 16E45, 18D10
  • DOI: https://doi.org/10.1090/tran/6561
  • MathSciNet review: 3461036