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SUMMARY:Plenary Lecture 9: Curvature flow on graphs for large data classif
 ication - Bertozzi\, AL (University of California\, Los Angeles)
DTSTART:20140626T123000Z
DTEND:20140626T131500Z
UID:TALK53174@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:In the continuum\, close connections exist between mean curvat
 ure ow\, the Allen-Cahn (AC) partial di erential equation\, and the Merrim
 an-Bence-Osher (MBO) threshold dynamics scheme. Graph analogues of these p
 rocesses have recently seen a rise in popularity as relaxations of NP-comp
 lete combinatorial problems\, which demands deeper theoretical underpinnin
 gs of the graph processes. We discuss several applications including super
 vised and unsupervised machine learning and community detection in social 
 networks. We discuss connections to spectral graph theory and fast algorit
 hms and some recent results for curvature flow on graphs and open problems
 .\n
LOCATION:Seminar Room 1\, Newton Institute
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