Department of Mathematcs,
The Graduate Center, City University of New York (CUNY)
MATH 82800: Knot Theory 
Prof. Ilya Kofman
GC Office: 4214.08
1. Knots and links
Definitions, diagrams, Reidemeister moves, wild knots, connect sum, unknotting, linking number, Dowker-Thistlethwaite code, satellite knots, famous families of knots, historical overview of knot theory.
Reading: Lickorish ch 1, Cromwell ch 1-4, Prasolov-Sossinsky ch 1.
2. Braids and tangles
Braid group, Alexander and Markov theorems, braid index. Rational tangles, rational links, 2-bridge links, plats.
Reading: Prasolov-Sossinsky ch 3, Cromwell ch 8, 10.1, 10.4.
3. Seifert surfaces and Seifert matrices
Seifert surfaces, circuits and genus, Yamada's theorem and Vogel's algorithm. Seifert matrix, S-equivalence. Signature and determinant.
Reading: Lickorish ch 2,8, Cromwell ch 5-6, Murasugi ch 5, 6.4.
4. Alexander polynomial
Many approaches to Alexander polynomial: Seifert matrices, homology of infinite cyclic cover, Fox calculus, Conway polynomial. Wirtinger presentation for the knot group.
Reading: Lickorish ch 6,7,11, Cromwell ch 7, Rolfsen ch 6-8, Murasugi ch 6.
5. Jones polynomial I
Kauffman bracket, state sums. Alternating knots and proof of Tait's conjecture. Adequate diagrams. Turaev surface and genus.
Reading: Lickorish ch 3,5, Prasolov-Sossinsky ch 2.3, Cromwell ch 9.
6. Jones polynomial II
Tait graph and spanning-tree expansion for the Jones polynomial. Tutte polynomial of graphs. Temperley-Lieb algebra and braid representations.
Reading: Bollobas Modern Graph Theory ch X, Jones 1, Jones 2.
7. Linear skein theory
HOMFLYPT polynomial. Kauffman bracket skein module. Skein linear algebra to get links with trivial Jones polynomial. Kanenobu links. How twisting strands affects the Jones polynomial.
Reading: Prasolov-Sossinsky ch 8, Watson, Rolfsen.
8. Jones-Wenzl idempotents
Calculations with Jones-Wenzl idempotents, colored Jones polynomial.
Reading: Lickorish ch 13-14, Prasolov-Sossinsky ch 8, Masbaum-Vogel
9. Quantum invariants
Representations, R-matrices and Yang-Baxter equation, colored Jones polynomial, cabling formula.
Reading: Chmutov, Duzhin, Mostovoy Vassiliev Knot Invariants ch 2.6 and appendix. Ohtsuki Quantum Invariants ch 4. H.Murakami, "An introduction to the Volume Conjecture".
10. Hyperbolic knots
Hyperbolic geometry of 3-manifolds, figure-8 knot complement, ideal tetrahedra, gluing and completeness equations.
Reading: Purcell, Bonahon Low-dimensional geometry, Adams, Weeks.
11. Hyperbolic volume
Hyperbolic volume, properties, diagrammatic bounds. SnapPy.
Reading: Ratcliffe Foundations of hyperbolic manifolds chapter 10, Milnor, Lackenby-Agol-DThurston. SnapPy.
12. Volume Conjecture
Proof for figure-8 knot, support for the Volume Conjecture.
Reading: H.Murakami "An introduction to the Volume Conjecture".
13. Khovanov homology
Approaches to Khovanov homology: Khovanov, Viro, Bar-Natan, spanning tree model, Turaev genus and homological width.
Reading: P.Turner, "Five lectures on Khovanov homology."
14. Knot Floer homology
Special class by Robert Lipshitz (Columbia), Tuesday May 20, 11am-1pm, Room 3212.
Reading: C.Manolescu, "An introduction to knot Floer homology."
Cromwell: Knots and links by Peter Cromwell
Lickorish: An introduction to knot theory by W.B.Raymond Lickorish.
Murasugi: Knot theory by Kunio Murasugi
Prasolov-Sossinsky: Knots, links, braids and 3-manifolds by V.V.Prasolov and A.B.Sossinsky
Rolfsen: Knots and links by Dale Rolfsen
Good introductory texts:
The knot book by Colin Adams
Knots Knotes by Justin Roberts
Handbook of Knot Theory (W.Menasco and M.Thistlethwaite, editors)
1. Colin Adams, Hyperbolic knots
2. Joan S. Birman and Tara Brendle, Braids and knots
3. John Etnyre, Legendrian and transversal knots
4. Cameron Gordon, Dehn surgery
5. Jim Hoste, The enumeration and classiffication of knots and links
6. Louis Kauffman, Diagrammatic methods for invariants of knots and
7. Charles Livingston, A survey of classical knot concordance
8. Marty Scharlemann, Thin position
9. Lee Rudolph, Knot theory of complex plane curves
10. DeWit Sumners, The topology of DNA
11. Jeff Weeks, Computation of hyperbolic structures in knot theory
Two Lectures On The Jones Polynomial And Khovanov Homology, by Edward Witten. An advanced gauge theory approach.
The Trieste look at knot theory, by Jozef Przytycki.
Introduction to knots and a survey of knot colorings.
3-coloring and other elementary invariants of knots, by Jozef Przytycki.
Short review of braids, by
to braid theory, by Maurice Chiodo.
An elementary introduction
to the theory of braids, by Roger Fenn.
About the Temperley-Lieb algebra: by
Topological invariants of knots: three routes to the Alexander polynomial, by Edward Long.
Knot theory and the Alexander polynomial, by Reagin McNeill.
Data on knots and their invariants:
The Knot Atlas (wiki),
by Dror Bar-Natan and Scott Morrison. Among other info, it contains
of knots up to 10 crossings.
Table of Knot Invariants, by Charles Livingston
and Jae Choon Cha.
The KnotPlot Site
The CompuTop.org Software Archive, a site for people doing computational stuff with low-dimensional topology.
Other knot theory books:
Knot theory, a book by Vassily Manturov.
On knots, by Louis Kauffman;
Formal knot theory, by Louis Kauffman;
Knots and physics, by Louis Kauffman;
Knot theory, by Charles Livingston;
Introduction to knot theory, by R.Crowell and R.Fox;
A survey of knot theory, by A.Kawauchi;
Braids, links and mapping class groups, by Joan Birman.