Homotopy invariants of Gauss phrases
A. Gibson
57M9968R15Gauss phrasesnanophraseshomotopy invariant
Equivalence relations can be defined on Gauss phrases using combinatorial moves. In this paper we consider two closely related equivalence relations on Gauss phrases, homotopy and open homotopy. In particular, in each case, we define a new invariant and determine the values that it can attain.
Indiana University Mathematics Journal
2010
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10.1512/iumj.2010.59.3850
10.1512/iumj.2010.59.3850
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Indiana Univ. Math. J. 59 (2010) 207 - 230
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