Portal de Periódicos da CAPES

Estimates for the Bennequin number of Legendrian links from state models for knot polynomials

1997; International Press of Boston; Volume: 4; Issue: 1 Linguagem: Inglês

10.4310/mrl.1997.v4.n1.a13

1945-001X

Serge Tabachnikov,

Geometric and Algebraic Topology

Another simple invariant of a Legendrian knot in the standard contact space is the winding number of its projection to the (x, y)-plane, called the Maslov number.There are no other finite order contact invariants (which are not topological invariants) of transverse and Legendrian knots in J