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X-WR-CALNAME:California NanoSystems Institute
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X-WR-CALDESC:Events for California NanoSystems Institute
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DTSTART:20170312T100000
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DTSTART;TZID=America/Los_Angeles:20171130T160000
DTEND;TZID=America/Los_Angeles:20171130T170000
DTSTAMP:20211026T233051
CREATED:20171129T103252Z
LAST-MODIFIED:20171129T103252Z
UID:2937-1512057600-1512061200@cnsi.ucla.edu
SUMMARY:Bhaumik Lecture: "Integrability and Four-Dimensional Gauge Theory"
DESCRIPTION:Integrability and Four-Dimensional Gauge Theory” by Edward Witten \nSome years ago\, Kevin Costello introduced a new approach to the Yang-Baxter equation and integrable systems based on an unusual gauge theory in four dimensions. The gauge theory in question is a close cousin of three-dimensional Chern-Simons theory\, which almost thirty years ago was related to knot invariants and three-manifold invariants and has had a variety of physical applications. The Yang-Baxter equation has a conspicuous analogy with knot theory\, but prior to Costello’s work\, it was unclear how the gauge theory/knot theory connection could be extended to the Yang-Baxter equation and integrability. The talk will be an introduction to Costello’s approach\, drawing also on recent work by Costello\, Masahito Yamazaki\, and the speaker.
URL:https://cnsi.ucla.edu/event/bhaumik-lecture-integrability-and-four-dimensional-gauge-theory/
CATEGORIES:Lecture Series
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