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Dror Bar-Natan:
Talks:
#
Khovanov's Categorification of the Jones Polynomial

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HUJI Topology and Geometry Seminar, November 4, 2001

(also Haifa University, November 13, 2001)

In two recent and very novel papers, arXiv:math.QA/9908171
and arXiv:math.QA/0103190,
Khovanov finds a graded chain complex whose graded Euler characteristic
is is the Jones polynomial, and proves that each individual homology
group of this complex is a link invariant. His construction is very
simple and elegant, and yet orthogonal to everything else we know about
knot theory and hence extremely interesting. There will be a handout;
see the "Quick Reference Guide" for my paper *On Khovanov's
Categorification of the Jones Polynomial*.

Toda le Nati Linial.