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UID:DSC-22659
DTSTART;TZID=Europe/Berlin:20260416T150000
SEQUENCE:1776317778
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20260416T160000
URL:https://www.dresden-science-calendar.de/calendar/de/detail/22659
LOCATION:MPI-CBG\, Pfotenhauerstraße 10801307 Dresden
SUMMARY:Kara: A Three-Regime Theorem for Flow-Firing
CLASS:PUBLIC
DESCRIPTION:Speaker: Selvi Kara\nInstitute of Speaker: Bryn Mawr College\nT
 opics:\n\n Location:\n  Name: MPI-CBG (MPI-CBG CSBD SR Top Floor (VC))\n  
 Street: Pfotenhauerstraße 108\n  City: 01307 Dresden\n  Phone: +49 351 21
 0-0\n  Fax: +49 351 210-2000\nDescription: Flow-firing\, introduced by Fel
 zenszwalb-Klivans\, is a 2D analogue of chip-firing: an integer flow on th
 e edges of a cell complex evolves by repeatedly applying local rerouting m
 oves around faces. In their original work\, the only proven confluent fami
 ly on the grid stabilized (independent of firing choices) into an Aztec di
 amond\, a centered diamond-shaped patch of unit squares. In this talk I wi
 ll explain how far this phenomenon extends. For a natural family of conser
 vative “pulse” initial conditions\, we prove a three-regime theorem: t
 here is a small-support regime with unique stabilization to the Aztec diam
 ond\, an intermediate regime where stabilization occurs but the terminal s
 tate is not unique (though the Aztec diamond can still occur)\, and a larg
 e-support regime where confluence fails\, including a range where the Azte
 c-diamond outcome is impossible.
DTSTAMP:20260519T112823Z
CREATED:20260212T063639Z
LAST-MODIFIED:20260416T053618Z
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