Knots and Graphs

https://people.math.osu.edu/chmutov.1/wor-gr-su22/wor-gr.htm

Working Group [Summer 2022]
MATH 4193, class number 16664
June 6 --- July 29, 2022

Instructor: Sergei Chmutov

CLASSES: Mondays June 6 and June 13, 3:00-4:00pm at MA105
Fridays June 10 and June 17, 3:00-4:00pm at MW154
Starting from June 20 online classes on ZOOM: Monday, Friday 3:00-4:00pm
+ one hour zoom meeting with each smaller group.             

Past year programs

       2021
       2020   2019   2018   2017   2016
       2015   2014   2013   2012   2011
       2010   2009   2007   2006   2005

  • Announcement
  • List of participants
  • Research projects
  • The Knots Atlas
  • Table of Virtual Knots by Jeremy Green
  • Our results

  • Schedule

    Week 1

     
    Mo. June 6S.Chmutov,  Introduction. Knots.    Handout.
    Fr. June 10S.Chmutov,  Knots and the Jones polynomial.    Handout.   

    Week 2

     
    Mo. June 13S.Chmutov,  Graphs and their polynomials.    Handout.
    Fr. June 17S.Chmutov,  Matroids.    Handout.   

    Week 3

     
    Fr. June 24S.Chmutov,  Delta-matroids.    Handout.   

    Week 4

     
    Mo. June 27K.Belgikar, C.Forsee, W.Wu,  Generating Sets of Twisted Forbidden Moves.    Calvin's notes.     Kabir's notes.     Wo's notes.
    Fr. July 1M.Kikta, Y.Xuan,  Diagrams Realizing Prescribed Sublink Diagrams.    Notes.

    Week 5

     
    Fr. July 8L.Lozinskiy, D.Yuschak,  Twist Polynomials of Delta-Matroids.    Notes.

    Week 6

     
    Mo. July 11C.Forsee,  Untying Twisted Knots.    Calvin's notes.
    K.Belgikar,  Arrow Polynomial.    Kabir's notes.
    W.Wu,  The groups of knots.    Wo's notes.
    Fr. July 15M.Kikta, Y.Xuan,  Forbidden R2 Move.    Notes.

    Week 7

     
    Mo. July 18L.Lozinskiy, D.Yuschak,  Twist Polynomials of Delta Matroids 2.    Notes.
    Fr. July 22C.Forsee,  Alternative Minimum Generating Sets of Twisted Forbidden Moves.     Notes.

    Week 8

     
    Mo. July 25M.Kikta, Y.Xuan,  Unknot Using Forbidden Moves and Bounds on Realizable Partition Size.     Notes.
    Fr. July 29L.Lozinskiy, D.Yuschak,  Twist Polynomials of Delta Matroids 3.    Notes.