Triple planes with $p_g=q=0$
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- by Daniele Faenzi, Francesco Polizzi and Jean Vallès PDF
- Trans. Amer. Math. Soc. 371 (2019), 589-639 Request permission
Abstract:
We show that general triple planes with genus and irregularity zero belong to at most 12 families, that we call surfaces of type I to XII, and we prove that the corresponding Tschirnhausen bundle is a direct sum of two line bundles in cases I, II, III, whereas it is a rank 2 Steiner bundle in the remaining cases.
We also provide existence results and explicit descriptions for surfaces of type I to VII, recovering all classical examples and discovering several new ones. In particular, triple planes of type VII provide counterexamples to a wrong claim made in 1942 by Bronowski.
Finally, in the last part of the paper we discuss some moduli problems related to our constructions.
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Additional Information
- Daniele Faenzi
- Affiliation: Institut de Mathématiques de Bourgogne, UMR 5584 CNRS, Université de Bourgogne Franche-Comté, 9 Avenue Alain Savary, BP 47870, 21078 Dijon Cedex, France
- Address at time of publication: Université de Bourgogne, Institut de Mathématiques de Bourgogne, UMR CNRS 5584 UFR Sciences et Techniques, Bâtiment Mirande, 9 Avenue Alain Savary BP 47870, 21078 Dijon Cedex, France
- MR Author ID: 723391
- Email: daniele.faenzi@u-bourgogne.fr
- Francesco Polizzi
- Affiliation: Dipartimento di Matematica, Università della Calabria, Cubo 30B, 87036 Arcavacata di Rende, Cosenza, Italy
- MR Author ID: 723443
- Email: polizzi@mat.unical.it
- Jean Vallès
- Affiliation: Université de Pau et des Pays de l’Adour, Avenue de l’Université - BP 576, 64012 PAU Cedex, France
- Email: jean.valles@univ-pau.fr
- Received by editor(s): August 30, 2016
- Received by editor(s) in revised form: April 29, 2017, and May 6, 2017
- Published electronically: June 26, 2018
- Additional Notes: The first and third authors were partially supported by ANR projects GEOLMI ANR-11-BS03-0011 and Interlow ANR-09-JCJC-0097-01.
The second author was partially supported by Progetto MIUR di Rilevante Interesse Nazionale Geometria delle Variet$\grave {a}$ Algebriche e loro Spazi di Moduli, by the Gruppo di Ricerca Italo-Francese di Geometria Algebrica (GRIFGA) and by GNSAGA-INdAM. - © Copyright 2018 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 371 (2019), 589-639
- MSC (2010): Primary 14E20, 14J60
- DOI: https://doi.org/10.1090/tran/7276
- MathSciNet review: 3885155