72 citations · 131 across the 25 of their papers we have counts for
Showing 2009 · math.GTShow all
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math.GT2009
From Goeritz matrices to quasi-alternating links
Jozef H. Przytycki
Knot Theory is currently a very broad field. Even a long survey can only cover a narrow area. Here we concentrate on the path from Goeritz matrices to quasi-alternating links. On t…
math.GT2009★ 25 cited
Positive knots have negative signature
Jozef H. Przytycki
It was asked by J.Birman, Williams, and L.Rudolph whether nontrivial Lorentz knots have always positive signature. Lorentz knots are examples of positive braids (in our convention…
math.GT2009
Almost positive links have negative signature
Jozef H. Przytycki, Kouki Taniyama
We analyze properties of links which have diagrams with a small number of negative crossings. We show that if a nontrivial link has a diagram with all crossings positive except pos…