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On bodies with congruent sections by cones or non-central planes Zhang, Ning
Description
Gardner and Golubyatnikov asked whether two continuous functions on the sphere coincide up to reflection in the origin if their restrictions to any great circle coincide after some rotation. In this talk we will discuss two modifications of this problem. Let $K$ and $L$ be convex bodies in $\mathbb R^3$ such that their sections by cones or non-central planes are directly congruent. We will show that if their boundaries are of class $C^2$, then $K$ and $L$ coincide.
Item Metadata
Title |
On bodies with congruent sections by cones or non-central planes
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Creator | |
Publisher |
Banff International Research Station for Mathematical Innovation and Discovery
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Date Issued |
2017-05-23T16:19
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Description |
Gardner and Golubyatnikov asked whether two continuous functions on the sphere coincide up to reflection in the origin if their
restrictions to any great circle coincide after some
rotation. In this talk we will discuss two modifications of this problem.
Let $K$ and $L$ be convex bodies in $\mathbb R^3$ such that their sections by
cones or non-central planes are directly congruent. We will show that
if their boundaries are of class $C^2$, then $K$ and $L$ coincide.
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Extent |
19 minutes
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Subject | |
Type | |
File Format |
video/mp4
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Language |
eng
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Notes |
Author affiliation: University of Alberta
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Series | |
Date Available |
2017-11-21
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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 |
10.14288/1.0358026
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URI | |
Affiliation | |
Peer Review Status |
Unreviewed
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Scholarly Level |
Graduate
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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