Denis A. Fedoseev, Vassily O. Manturov
Published 2016-06-22Version 1
2-dimensional knots and links are studied in the article. The notion of parity is introduced via techniques similar to the ones used by the second named author in 1-dimensional case. By using parity new invariants are constructed and known invariants are refined.
Comments: 24 pages, 16 figures
Free Knots and Parity
Problems on invariants of knots and 3-manifolds
A fast algorithm for calculating $s$-invariants
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