Gorenstein Fano Generic Torus Orbit closures in G/P

Montagard, Pierre-Louis - Rittatore, Alvaro

Resumen:

Given a reductive group G and a parabolic subgroup P⊂G, with maximaltorus T, we consider (following Dabrowski's work) the closure X of a generic T-orbit in G/P, and determine in combinatorial termswhen the toric variety X is Q-Gorenstein Fano, extending in this way the classification of smooth Fano generic closures given by Voskresenski\uı and Klyachko. As an application, we apply the well known correspondence between Gorenstein Fano toric varieties and reflexive polytopes in order to exhibit which reflexive polytopes correspond to generic closures -- this list includes the reflexive root polytopes.


Detalles Bibliográficos
2023
TORIC VARIETIES
FLAG VARIETIES
FANO VARIETIES
ROOT SYSTEM
Inglés
Universidad de la República
COLIBRI
https://hdl.handle.net/20.500.12008/44885
Acceso abierto
Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)
_version_ 1807522810140033024
author Montagard, Pierre-Louis
author2 Rittatore, Alvaro
author2_role author
author_facet Montagard, Pierre-Louis
Rittatore, Alvaro
author_role author
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collection COLIBRI
dc.contributor.filiacion.none.fl_str_mv Montagard Pierre-Louis
Rittatore Alvaro, Universidad de la República (Uruguay). Facultad de Ciencias. Centro de Matemática.
dc.creator.none.fl_str_mv Montagard, Pierre-Louis
Rittatore, Alvaro
dc.date.accessioned.none.fl_str_mv 2024-07-24T12:23:23Z
dc.date.available.none.fl_str_mv 2024-07-24T12:23:23Z
dc.date.issued.none.fl_str_mv 2023
dc.description.abstract.none.fl_txt_mv Given a reductive group G and a parabolic subgroup P⊂G, with maximaltorus T, we consider (following Dabrowski's work) the closure X of a generic T-orbit in G/P, and determine in combinatorial termswhen the toric variety X is Q-Gorenstein Fano, extending in this way the classification of smooth Fano generic closures given by Voskresenski\uı and Klyachko. As an application, we apply the well known correspondence between Gorenstein Fano toric varieties and reflexive polytopes in order to exhibit which reflexive polytopes correspond to generic closures -- this list includes the reflexive root polytopes.
dc.description.es.fl_txt_mv Versión permitida preprint.
Publicado también en: Journal of Algebraic Combinatorics: An International Journal, 2023 57(2): 439 - 460. DOI: 10.1007/s10801-022-01198-z
dc.format.extent.es.fl_str_mv 20 h.
dc.format.mimetype.es.fl_str_mv application/pdf
dc.identifier.citation.es.fl_str_mv Montagard, P y Rittatore, A. "Gorenstein Fano Generic Torus Orbit closures in G/P" [Preprint]. Publicado en: Mathematics (Algebraic Geometry). arXiv:1803.04328, ene. 2023, pp.1-20.
dc.identifier.doi.none.fl_str_mv 10.48550/arXiv.1803.04328
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/20.500.12008/44885
dc.language.iso.none.fl_str_mv en
eng
dc.publisher.es.fl_str_mv arXiv
dc.relation.ispartof.es.fl_str_mv Mathematics (Algebraic Geometry), arXiv:1803.04328, ene. 2023, pp.1-20
dc.rights.license.none.fl_str_mv Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
dc.source.none.fl_str_mv reponame:COLIBRI
instname:Universidad de la República
instacron:Universidad de la República
dc.subject.other.es.fl_str_mv TORIC VARIETIES
FLAG VARIETIES
FANO VARIETIES
ROOT SYSTEM
dc.title.none.fl_str_mv Gorenstein Fano Generic Torus Orbit closures in G/P
dc.type.es.fl_str_mv Preprint
dc.type.none.fl_str_mv info:eu-repo/semantics/preprint
dc.type.version.none.fl_str_mv info:eu-repo/semantics/submittedVersion
description Versión permitida preprint.
eu_rights_str_mv openAccess
format preprint
id COLIBRI_7dc4c65ff1f46a739690bf72789a4352
identifier_str_mv Montagard, P y Rittatore, A. "Gorenstein Fano Generic Torus Orbit closures in G/P" [Preprint]. Publicado en: Mathematics (Algebraic Geometry). arXiv:1803.04328, ene. 2023, pp.1-20.
10.48550/arXiv.1803.04328
instacron_str Universidad de la República
institution Universidad de la República
instname_str Universidad de la República
language eng
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publishDate 2023
reponame_str COLIBRI
repository.mail.fl_str_mv mabel.seroubian@seciu.edu.uy
repository.name.fl_str_mv COLIBRI - Universidad de la República
repository_id_str 4771
rights_invalid_str_mv Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)
spelling Montagard Pierre-LouisRittatore Alvaro, Universidad de la República (Uruguay). Facultad de Ciencias. Centro de Matemática.2024-07-24T12:23:23Z2024-07-24T12:23:23Z2023Montagard, P y Rittatore, A. "Gorenstein Fano Generic Torus Orbit closures in G/P" [Preprint]. Publicado en: Mathematics (Algebraic Geometry). arXiv:1803.04328, ene. 2023, pp.1-20.https://hdl.handle.net/20.500.12008/4488510.48550/arXiv.1803.04328Versión permitida preprint.Publicado también en: Journal of Algebraic Combinatorics: An International Journal, 2023 57(2): 439 - 460. DOI: 10.1007/s10801-022-01198-zGiven a reductive group G and a parabolic subgroup P⊂G, with maximaltorus T, we consider (following Dabrowski's work) the closure X of a generic T-orbit in G/P, and determine in combinatorial termswhen the toric variety X is Q-Gorenstein Fano, extending in this way the classification of smooth Fano generic closures given by Voskresenski\uı and Klyachko. As an application, we apply the well known correspondence between Gorenstein Fano toric varieties and reflexive polytopes in order to exhibit which reflexive polytopes correspond to generic closures -- this list includes the reflexive root polytopes.Submitted by Egaña Florencia (florega@gmail.com) on 2024-07-23T19:01:52Z No. of bitstreams: 2 license_rdf: 25790 bytes, checksum: 489f03e71d39068f329bdec8798bce58 (MD5) 1803.04328v3.pdf: 586554 bytes, checksum: 199c78bc26b062e3a7b665b0ef2784db (MD5)Approved for entry into archive by Faget Cecilia (lfaget@fcien.edu.uy) on 2024-07-24T12:05:35Z (GMT) No. of bitstreams: 2 license_rdf: 25790 bytes, checksum: 489f03e71d39068f329bdec8798bce58 (MD5) 1803.04328v3.pdf: 586554 bytes, checksum: 199c78bc26b062e3a7b665b0ef2784db (MD5)Made available in DSpace by Luna Fabiana (fabiana.luna@seciu.edu.uy) on 2024-07-24T12:23:23Z (GMT). No. of bitstreams: 2 license_rdf: 25790 bytes, checksum: 489f03e71d39068f329bdec8798bce58 (MD5) 1803.04328v3.pdf: 586554 bytes, checksum: 199c78bc26b062e3a7b665b0ef2784db (MD5) Previous issue date: 202320 h.application/pdfenengarXivMathematics (Algebraic Geometry), arXiv:1803.04328, ene. 2023, pp.1-20Las obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad de la República.(Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. Nº 16 de C.D.C. de 07/10/2014)info:eu-repo/semantics/openAccessLicencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)TORIC VARIETIESFLAG VARIETIESFANO VARIETIESROOT SYSTEMGorenstein Fano Generic Torus Orbit closures in G/PPreprintinfo:eu-repo/semantics/preprintinfo:eu-repo/semantics/submittedVersionreponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la RepúblicaMontagard, Pierre-LouisRittatore, AlvaroLICENSElicense.txtlicense.txttext/plain; charset=utf-84267http://localhost:8080/xmlui/bitstream/20.500.12008/44885/5/license.txt6429389a7df7277b72b7924fdc7d47a9MD55CC-LICENSElicense_urllicense_urltext/plain; charset=utf-850http://localhost:8080/xmlui/bitstream/20.500.12008/44885/2/license_urla006180e3f5b2ad0b88185d14284c0e0MD52license_textlicense_texttext/html; charset=utf-822527http://localhost:8080/xmlui/bitstream/20.500.12008/44885/3/license_textdf0749cf944f9d2754bc76e8ce56250cMD53license_rdflicense_rdfapplication/rdf+xml; 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- Universidad de la Repúblicafalse
spellingShingle Gorenstein Fano Generic Torus Orbit closures in G/P
Montagard, Pierre-Louis
TORIC VARIETIES
FLAG VARIETIES
FANO VARIETIES
ROOT SYSTEM
status_str submittedVersion
title Gorenstein Fano Generic Torus Orbit closures in G/P
title_full Gorenstein Fano Generic Torus Orbit closures in G/P
title_fullStr Gorenstein Fano Generic Torus Orbit closures in G/P
title_full_unstemmed Gorenstein Fano Generic Torus Orbit closures in G/P
title_short Gorenstein Fano Generic Torus Orbit closures in G/P
title_sort Gorenstein Fano Generic Torus Orbit closures in G/P
topic TORIC VARIETIES
FLAG VARIETIES
FANO VARIETIES
ROOT SYSTEM
url https://hdl.handle.net/20.500.12008/44885