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Computing with finitely presented representations of a category Wiltshire-Gordon, John
Description
In the same way that a matrix of homogeneous polynomials gives rise to a graded module, a matrix over a category gives rise to a "graded module" where the objects of the category provide the degrees, and the arrows provide the monomials (appearing in linear combinations as entries in the matrix). When the category is combinatorial in nature, such a matrix may be entered into a computer. Using examples from combinatorics, geometry, and topology, I will demonstrate a computer program that takes a matrix over the category of finite sets and returns its Hilbert series.
Item Metadata
Title |
Computing with finitely presented representations of a category
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Creator | |
Publisher |
Banff International Research Station for Mathematical Innovation and Discovery
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Date Issued |
2016-04-06T10:30
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Description |
In the same way that a matrix of homogeneous polynomials gives rise to a graded module, a matrix over a category gives rise to a "graded module" where the objects of the category provide the degrees, and the arrows provide the monomials (appearing in linear combinations as entries in the matrix). When the category is combinatorial in nature, such a matrix may be entered into a computer. Using examples from combinatorics, geometry, and topology, I will demonstrate a computer program that takes a matrix over the category of finite sets and returns its Hilbert series.
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Extent |
57 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 Michigan
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Series | |
Date Available |
2016-10-06
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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 |
10.14288/1.0319060
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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