Effective cycles on the symmetric product of a curve, I: the diagonal cone
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- by Francesco Bastianelli, Alexis Kouvidakis, Angelo Felice Lopez and Filippo Viviani; with an appendix by Ben Moonen PDF
- Trans. Amer. Math. Soc. 372 (2019), 8709-8758 Request permission
Abstract:
In this paper we investigate the cone $\operatorname {Pseff}_n(C_d)$ of pseudoeffective $n$-cycles in the symmetric product $C_d$ of a smooth curve $C$. We study the convex-geometric properties of the cone $\mathcal {D}_n(C_d)$ generated by the $n$-dimensional diagonal cycles. In particular we determine its extremal rays and we prove that $\mathcal {D}_n(C_d)$ is a perfect face of $\operatorname {Pseff}_n(C_d)$ along which $\operatorname {Pseff}_n(C_d)$ is locally finitely generated.References
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Additional Information
- Francesco Bastianelli
- Affiliation: Dipartimento di Matematica, Università degli Studi di Bari Aldo Moro, Via Edoardo Orabona, 4, 70125 Bari, Italy
- MR Author ID: 878934
- Email: francesco.bastianelli@uniba.it
- Alexis Kouvidakis
- Affiliation: Department of Mathematics and Applied Mathematics, University of Crete, GR-70013 Heraklion, Greece
- MR Author ID: 317332
- Email: kouvid@math.uoc.gr
- Angelo Felice Lopez
- Affiliation: Dipartimento di Matematica e Fisica, Università di Roma Tre, Largo San Leonardo Murialdo 1, 00146 Roma, Italy
- MR Author ID: 289566
- ORCID: 0000-0003-4923-6885
- Email: lopez@mat.uniroma3.it
- Filippo Viviani
- Affiliation: Dipartimento di Matematica e Fisica, Università di Roma Tre, Largo San Leonardo Murialdo 1, 00146 Roma, Italy
- MR Author ID: 761968
- Email: viviani@mat.uniroma3.it
- Ben Moonen
- Affiliation: Radboud University, IMAPP, P.O. Box 9010, 6500GL Nijmegen, The Netherlands
- MR Author ID: 254842
- Email: b.moonen@science.ru.nl
- Received by editor(s): June 11, 2018
- Received by editor(s) in revised form: April 3, 2019
- Published electronically: August 5, 2019
- Additional Notes: Research partially supported by INdAM (GNSAGA) and by the MIUR national projects “Geometria delle varietà algebriche” PRIN 2010-2011 and “Spazi di moduli e applicazioni” FIRB 2012.
- © Copyright 2019 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 372 (2019), 8709-8758
- MSC (2010): Primary 14C25, 14H51, 14C20
- DOI: https://doi.org/10.1090/tran/7867
- MathSciNet review: 4029710