Deriving Perelman's entropy from Colding's monotonic volume

Bustamante, Ignacio - Reiris Ithurralde, Martín

Resumen:

In his groundbreaking work from 2002, Perelman introduced two fundamental monotonic quantities: the reduced volume and the entropy. While the reduced volume was motivated by the Bishop-Gromov volume comparison applied to a suitably constructed -space, which becomes Ricci-flat as , Perelman did not provide a corresponding explanation for the origin of the entropy. In this article, we demonstrate that Perelman's entropy emerges as the limit of Colding's monotonic volume for harmonic functions on Ricci-flat manifolds, when appropriately applied to Perelman's -space.

Detalles Bibliográficos
2025
DIFFERENTIAL GEOMETRY
ANALYSIS OF PDES
Inglés
Universidad de la República
COLIBRI
https://hdl.handle.net/20.500.12008/54970
Acceso abierto
Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)
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author Bustamante, Ignacio
author2 Reiris Ithurralde, Martín
author2_role author
author_facet Bustamante, Ignacio
Reiris Ithurralde, Martín
author_role author
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collection COLIBRI
dc.contributor.filiacion.none.fl_str_mv Bustamante Ignacio, Universidad de la República (Uruguay). Facultad de Ingeniería.
Reiris Ithurralde Martín, Universidad de la República (Uruguay). Facultad de Ciencias. Centro de Matemática.
dc.creator.none.fl_str_mv Bustamante, Ignacio
Reiris Ithurralde, Martín
dc.date.accessioned.none.fl_str_mv 2026-05-13T12:03:26Z
dc.date.available.none.fl_str_mv 2026-05-13T12:03:26Z
dc.date.issued.none.fl_str_mv 2025
dc.description.abstract.none.fl_txt_mv In his groundbreaking work from 2002, Perelman introduced two fundamental monotonic quantities: the reduced volume and the entropy. While the reduced volume was motivated by the Bishop-Gromov volume comparison applied to a suitably constructed -space, which becomes Ricci-flat as , Perelman did not provide a corresponding explanation for the origin of the entropy. In this article, we demonstrate that Perelman's entropy emerges as the limit of Colding's monotonic volume for harmonic functions on Ricci-flat manifolds, when appropriately applied to Perelman's -space.
dc.description.es.fl_txt_mv Publicado también en: Journal für die reine und angewandte Mathematik. 2025, 826. DOI: 10.1515/crelle-2025-0034
dc.format.extent.es.fl_str_mv 26 h.
dc.format.mimetype.es.fl_str_mv application/pdf
dc.identifier.citation.es.fl_str_mv Bustamante, I y Reiris Ithurralde, M. "Deriving Perelman's entropy from Colding's monotonic volume". [Preprint Publicado en: Mathematics (Differential Geometry). 2025, arXiv:2501.12949, jul. 2025, pp. 1-26. DOI: 10.48550/arXiv.2501.12949
dc.identifier.doi.none.fl_str_mv 10.48550/arXiv.2501.12949
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/20.500.12008/54970
dc.language.iso.none.fl_str_mv en
eng
dc.publisher.es.fl_str_mv arXiv
dc.relation.none.fl_str_mv Mathematics (Differential Geometry), arXiv:2501.12949, jul. 2025, pp. 1-26
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 DIFFERENTIAL GEOMETRY
ANALYSIS OF PDES
dc.title.none.fl_str_mv Deriving Perelman's entropy from Colding's monotonic volume
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 Publicado también en: Journal für die reine und angewandte Mathematik. 2025, 826. DOI: 10.1515/crelle-2025-0034
eu_rights_str_mv openAccess
format preprint
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identifier_str_mv Bustamante, I y Reiris Ithurralde, M. "Deriving Perelman's entropy from Colding's monotonic volume". [Preprint Publicado en: Mathematics (Differential Geometry). 2025, arXiv:2501.12949, jul. 2025, pp. 1-26. DOI: 10.48550/arXiv.2501.12949
10.48550/arXiv.2501.12949
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publishDate 2025
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repository.mail.fl_str_mv karina.camps@seciu.edu.uy
repository.name.fl_str_mv COLIBRI - Universidad de la República
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rights_invalid_str_mv Licencia Creative Commons Atribución - No Comercial - Sin Derivadas (CC - By-NC-ND 4.0)
spelling Bustamante Ignacio, Universidad de la República (Uruguay). Facultad de Ingeniería.Reiris Ithurralde Martín, Universidad de la República (Uruguay). Facultad de Ciencias. Centro de Matemática.2026-05-13T12:03:26Z2026-05-13T12:03:26Z2025Bustamante, I y Reiris Ithurralde, M. "Deriving Perelman's entropy from Colding's monotonic volume". [Preprint Publicado en: Mathematics (Differential Geometry). 2025, arXiv:2501.12949, jul. 2025, pp. 1-26. DOI: 10.48550/arXiv.2501.12949https://hdl.handle.net/20.500.12008/5497010.48550/arXiv.2501.12949Publicado también en: Journal für die reine und angewandte Mathematik. 2025, 826. DOI: 10.1515/crelle-2025-0034In his groundbreaking work from 2002, Perelman introduced two fundamental monotonic quantities: the reduced volume and the entropy. While the reduced volume was motivated by the Bishop-Gromov volume comparison applied to a suitably constructed -space, which becomes Ricci-flat as , Perelman did not provide a corresponding explanation for the origin of the entropy. In this article, we demonstrate that Perelman's entropy emerges as the limit of Colding's monotonic volume for harmonic functions on Ricci-flat manifolds, when appropriately applied to Perelman's -space.Submitted by Egaña Lachaga Florencia (florencia.egana@fic.edu.uy) on 2026-05-11T19:10:02Z No. of bitstreams: 2 license_rdf: 27293 bytes, checksum: d62648cf14c1e37917d392ac87012955 (MD5) 2501.12949v3.pdf: 396668 bytes, checksum: 0f89a3d58e8de40c44c2bbd4827d8a02 (MD5)Approved for entry into archive by Faget Cecilia (lfaget@fcien.edu.uy) on 2026-05-13T11:47:35Z (GMT) No. of bitstreams: 2 license_rdf: 27293 bytes, checksum: d62648cf14c1e37917d392ac87012955 (MD5) 2501.12949v3.pdf: 396668 bytes, checksum: 0f89a3d58e8de40c44c2bbd4827d8a02 (MD5)Made available in DSpace by Luna Fabiana (fabiana.luna@seciu.edu.uy) on 2026-05-13T12:03:26Z (GMT). No. of bitstreams: 2 license_rdf: 27293 bytes, checksum: d62648cf14c1e37917d392ac87012955 (MD5) 2501.12949v3.pdf: 396668 bytes, checksum: 0f89a3d58e8de40c44c2bbd4827d8a02 (MD5) Previous issue date: 202526 h.application/pdfenengarXivMathematics (Differential Geometry), arXiv:2501.12949, jul. 2025, pp. 1-26Las 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)DIFFERENTIAL GEOMETRYANALYSIS OF PDESDeriving Perelman's entropy from Colding's monotonic volumePreprintinfo:eu-repo/semantics/preprintinfo:eu-repo/semantics/submittedVersionreponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la RepúblicaBustamante, IgnacioReiris Ithurralde, MartínLICENSElicense.txtlicense.txttext/plain; charset=utf-84267http://localhost:8080/xmlui/bitstream/20.500.12008/54970/5/license.txt6429389a7df7277b72b7924fdc7d47a9MD55CC-LICENSElicense_urllicense_urltext/plain; charset=utf-850http://localhost:8080/xmlui/bitstream/20.500.12008/54970/2/license_urla006180e3f5b2ad0b88185d14284c0e0MD52license_textlicense_texttext/html; charset=utf-835935http://localhost:8080/xmlui/bitstream/20.500.12008/54970/3/license_text00c6a163e62314ee9d2a181a90bf9e84MD53license_rdflicense_rdfapplication/rdf+xml; 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públicahttps://udelar.edu.uy/https://www.colibri.udelar.edu.uy/oai/requestkarina.camps@seciu.edu.uyUruguayopendoar:47712026-05-13T12:03:26COLIBRI - Universidad de la Repúblicafalse
spellingShingle Deriving Perelman's entropy from Colding's monotonic volume
Bustamante, Ignacio
DIFFERENTIAL GEOMETRY
ANALYSIS OF PDES
status_str submittedVersion
title Deriving Perelman's entropy from Colding's monotonic volume
title_full Deriving Perelman's entropy from Colding's monotonic volume
title_fullStr Deriving Perelman's entropy from Colding's monotonic volume
title_full_unstemmed Deriving Perelman's entropy from Colding's monotonic volume
title_short Deriving Perelman's entropy from Colding's monotonic volume
title_sort Deriving Perelman's entropy from Colding's monotonic volume
topic DIFFERENTIAL GEOMETRY
ANALYSIS OF PDES
url https://hdl.handle.net/20.500.12008/54970