Bounds for the Thurston-Bennequin number from Floer homology.
Plamenevskaya, Olga (2004)
Algebraic & Geometric Topology
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Plamenevskaya, Olga (2004)
Algebraic & Geometric Topology
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Livingston, Charles (2004)
Algebraic & Geometric Topology
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Livingston, Charles (2004)
Geometry & Topology
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Alexander Stoimenow (2003)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Using the recent Gauß diagram formulas for Vassiliev invariants of Polyak-Viro-Fiedler and combining these formulas with the Bennequin inequality, we prove several inequalities for positive knots relating their Vassiliev invariants, genus and degrees of the Jones polynomial. As a consequence, we prove that for any of the polynomials of Alexander/Conway, Jones, HOMFLY, Brandt-Lickorish-Millett-Ho and Kauffman there are only finitely many positive knots with the same polynomial and no...
Roger Fenn, Louis H. Kauffman, Vassily O. Manturov (2005)
Fundamenta Mathematicae
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The present paper gives a quick survey of virtual and classical knot theory and presents a list of unsolved problems about virtual knots and links. These are all problems in low-dimensional topology with a special emphasis on virtual knots. In particular, we touch new approaches to knot invariants such as biquandles and Khovanov homology theory. Connections to other geometrical and combinatorial aspects are also discussed.
Ozsváth, Peter, Szabó, Zoltán (2003)
Geometry & Topology
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Willerton, Simon (2002)
Experimental Mathematics
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Dye, H.A., Kauffman, Louis H. (2005)
Algebraic & Geometric Topology
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Szabó, Zoltán, Ozváth, Peter (2003)
Geometry & Topology
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Livingston, Charles (2002)
Algebraic & Geometric Topology
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Melvin, Paul, Shrestha, Sumana (2005)
Geometry & Topology
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Denis Petrovich Ilyutko, Vassily Olegovich Manturov, Igor Mikhailovich Nikonov (2014)
Banach Center Publications
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In [12, 15] it was shown that in some knot theories the crucial role is played by parity, i.e. a function on crossings valued in {0,1} and behaving nicely with respect to Reidemeister moves. Any parity allows one to construct functorial mappings from knots to knots, to refine many invariants and to prove minimality theorems for knots. In the present paper, we generalise the notion of parity and construct parities with coefficients from an abelian group rather than ℤ₂ and investigate...
Livingston, Charles (2001)
Algebraic & Geometric Topology
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