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Clustering from (co)torsion pairs Steen, Johan Aug 7, 2018

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Title Clustering from (co)torsion pairs
Creator Steen, Johan
Publisher Banff International Research Station for Mathematical Innovation and Discovery
Date Issued 2018-08-07T12:31
Description In joint work with Ulrich Bauer, Magnus Botnan and Steffen Oppermann, we construct equivalences relating certain subcategories of abelian categories. (These arise as components in so-called torsion and cotorsion pairs.) I will explain how this construction works, and with this as a fairly general starting point, we will see how this can be specialized to 2-parameter clustering. For the last part, I will give examples to show that the finiteness of representation type is sensitive to the orientation of the underlying quivers.
Extent 27.0
Subject Mathematics
Algebraic topology
Statistics
Geographic Location Oaxaca (Mexico : State)
Type Moving Image
FileFormat video/mp4
Language eng
Notes Author affiliation: NTNU
Series BIRS Workshop Lecture Videos (Oaxaca (Mexico : State))
Date Available 2019-03-24
Provider Vancouver : University of British Columbia Library
Rights Attribution-NonCommercial-NoDerivatives 4.0 International
DOI 10.14288/1.0377394
URI http://hdl.handle.net/2429/69152
Affiliation Non UBC
Peer Review Status Unreviewed
Scholarly Level Postdoctoral
Rights URI http://creativecommons.org/licenses/by-nc-nd/4.0/
AggregatedSourceRepository DSpace

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48630-201808071231-Steen_lrv.mp4 [ 198.72MB ]
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48630-1.0377394.ris

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