21 Answers votes newest views recent 1Knot theory without planar diagrams? 0Idempotency of the q-antisymmetrizer 2Can you characterize the group of transformations of knot diagrams which preserve the knot embedding? 4Why are inverse images more important than images in mathematics? -1Is there any analogs of Vassiliev invariants in higher dimensions? 5How to draw knots with Latex? 8How do you approach your child’s math education? 1Signed and unsigned Hecke algebra canonical basis 3How should I visualise RP^n? 2How does this relationship between the Catalan numbers and SU(2) generalize? 4Group cohomology vs. topological cohomology in the case of non-trivial action 3Constructing the Hecke-Algebra from the Burau representation 6Lecture notes on representations of finite groups 21Dimension Leaps 1Is there a version of Temperley-Lieb using sl(3) rather than sl(2)? 2What’s a reasonable category that is not locally small? 1Variant of binomial coefficients 13What’s your favorite equation, formula, identity or inequality? 0Conjugacy classes in finite groups that remain conjugacy classes when restricted to proper subgroups 1Computing a Factor Group 3Can you do surgery on framed tangles?