On a Characterization of Gauss Codes
De Fraysseix, Hubert and Ossona de Mendez, Patrice (1999) On a Characterization of Gauss Codes. [Journal (Paginated)]
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The traversal of a self crossing closed plane curve, with points of multiplicity at most two, defines a double occurrence sequence, the Gauss code of the curve. Using the D-switch operation, we give a new simple characterization of these sequences and deduce a simple self-contained proof of Rosenstiehl's characterization.
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