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Volume product and metric spaces Garcia Lirola, Luis Carlos
Description
Given a finite metric space M, the set of Lipschitz functions on M with Lipschitz constant at most 1 can be identified with a convex body, say K(M), in R^n. The volume product P(M)=|K(M)| |K(M)º| is an isometric invariant of M. We discuss the extreme properties of the volume product. We show that if P(M) is maximal among all the metric spaces with the same number of points, then all triangle inequalities in M are strict and K(M)º is simplicial. We also focus on the metric spaces minimizing the volume product, and in the Mahler's conjecture for this class of convex bodies. In addition, we characterize the metric spaces such that K(M) is a Hanner polytope. This is a joint work with M. Alexander, M. Fradelizi, and A. Zvavitch.
Item Metadata
Title |
Volume product and metric spaces
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Creator | |
Publisher |
Banff International Research Station for Mathematical Innovation and Discovery
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Date Issued |
2020-02-13T09:37
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Description |
Given a finite metric space M, the set of Lipschitz functions on M with Lipschitz constant at most 1 can be identified with a convex body, say K(M), in R^n. The volume product P(M)=|K(M)| |K(M)º| is an isometric invariant of M. We discuss the extreme properties of the volume product. We show that if P(M) is maximal among all the metric spaces with the same number of points, then all triangle inequalities in M are strict and K(M)º is simplicial. We also focus on the metric spaces minimizing the volume product, and in the Mahler's conjecture for this class of convex bodies. In addition, we characterize the metric spaces such that K(M) is a Hanner polytope. This is a joint work with M. Alexander, M. Fradelizi, and A. Zvavitch.
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Extent |
26.0 minutes
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Type | |
File Format |
video/mp4
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Language |
eng
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Notes |
Author affiliation: Kent State University
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Series | |
Date Available |
2020-08-12
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Provider |
Vancouver : University of British Columbia Library
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Rights |
Attribution-NonCommercial-NoDerivatives 4.0 International
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DOI |
10.14288/1.0392696
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URI | |
Affiliation | |
Peer Review Status |
Unreviewed
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Scholarly Level |
Postdoctoral
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Rights URI | |
Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
Attribution-NonCommercial-NoDerivatives 4.0 International