Volume bounds for the quantitative singular strata of non collapsed RCD metric measure spaces

The aim of this note is to generalize to the class of non collapsed RCD(K, N) metric measure spaces the volume bound for the effective singular strata obtained by Cheeger and Naber for non collapsed Ricci limits in [13]. The proof, which is based on a quantitative differentiation argument, closely f...

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Main Authors: Antonelli, G, Brué, E, Semola, D
Format: Journal article
Language:English
Published: De Gruyter Open 2019
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author Antonelli, G
Brué, E
Semola, D
author_facet Antonelli, G
Brué, E
Semola, D
author_sort Antonelli, G
collection OXFORD
description The aim of this note is to generalize to the class of non collapsed RCD(K, N) metric measure spaces the volume bound for the effective singular strata obtained by Cheeger and Naber for non collapsed Ricci limits in [13]. The proof, which is based on a quantitative differentiation argument, closely follows the original one. As a simple outcome we provide a volume estimate for the enlargement of Gigli-DePhilippis’ boundary ([20, Remark 3.8]) of ncRCD(K, N) spaces.
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spelling oxford-uuid:62e49bc0-d739-4441-ba7d-25dbdbf7cf572022-03-26T18:09:18ZVolume bounds for the quantitative singular strata of non collapsed RCD metric measure spacesJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:62e49bc0-d739-4441-ba7d-25dbdbf7cf57EnglishSymplectic ElementsDe Gruyter Open2019Antonelli, GBrué, ESemola, DThe aim of this note is to generalize to the class of non collapsed RCD(K, N) metric measure spaces the volume bound for the effective singular strata obtained by Cheeger and Naber for non collapsed Ricci limits in [13]. The proof, which is based on a quantitative differentiation argument, closely follows the original one. As a simple outcome we provide a volume estimate for the enlargement of Gigli-DePhilippis’ boundary ([20, Remark 3.8]) of ncRCD(K, N) spaces.
spellingShingle Antonelli, G
Brué, E
Semola, D
Volume bounds for the quantitative singular strata of non collapsed RCD metric measure spaces
title Volume bounds for the quantitative singular strata of non collapsed RCD metric measure spaces
title_full Volume bounds for the quantitative singular strata of non collapsed RCD metric measure spaces
title_fullStr Volume bounds for the quantitative singular strata of non collapsed RCD metric measure spaces
title_full_unstemmed Volume bounds for the quantitative singular strata of non collapsed RCD metric measure spaces
title_short Volume bounds for the quantitative singular strata of non collapsed RCD metric measure spaces
title_sort volume bounds for the quantitative singular strata of non collapsed rcd metric measure spaces
work_keys_str_mv AT antonellig volumeboundsforthequantitativesingularstrataofnoncollapsedrcdmetricmeasurespaces
AT bruee volumeboundsforthequantitativesingularstrataofnoncollapsedrcdmetricmeasurespaces
AT semolad volumeboundsforthequantitativesingularstrataofnoncollapsedrcdmetricmeasurespaces