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DTSTART:20151025T020000
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DTSTART:20160325T020000
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UID:calendar.50098.field_date.0@mathematics.huji.ac.il
DTSTAMP:20200710T110441Z
CREATED:20180107T230012Z
DESCRIPTION:Date: \n\n11:00am to 12:45pm\n\n\n\n\nSee also: Topology & Ge
ometry\, Seminars\, Events & SeminarsLocation: \n\nRoss building\, Hebrew
University (Seminar Room 70A)\n\n\nTitle: Invariants of Random Knots.\nAb
stract:\nRandom curves in space and how they are knotted give an insight i
nto the behavior of 'typical' knots and links\, and are expected to introd
uce the probabilistic method into the mathematical study of knots. They ha
ve been studied by biologists and physicists in the context of the structu
re of random polymers. There have been many results obtained via computati
onal experiment\, but few explicit computations. \nIn the talk\, I will fo
cus on a new\, combinatorial model for generating curves at random\, based
on petal projections\, developed by Adams et al. (2012). In work with Has
s\, Linial and Nowik\, we found explicit formulas for the distribution of
the linking number of a random two-component link. We also found formulas
for the moments of two finite type invariants of knots\, the Casson invari
ant and another coefficient of the Jones polynomial. These are the first p
recise formulas of this sort in any model for random knots or links. \nIf
time permits\, some other models of random knots will be discussed. \nAll
necessary background\, and the above terms will be explained. \nJoint work
with Joel Hass\, Nati Linial\, and Tahl Nowik. \n\n Export\n \n\n \nsu
bscribe iCal
DTSTART;TZID=Asia/Jerusalem:20151104T110000
DTEND;TZID=Asia/Jerusalem:20151104T124500
LAST-MODIFIED:20191103T120103Z
SUMMARY:Topology & geometry: Chaim Even Zohar (HUJI)\, 'Invariants of Rando
m Knots'
URL;TYPE=URI:https://mathematics.huji.ac.il/event/topology-geometry-chaim-e
ven-zohar-huji-invariants-random-knots
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