A 2-isomorphism theorem for delta-matroids. / Moffatt, Iain; Oh, Jaeseong.

In: Advances in applied mathematics, Vol. 126, 102133, 05.2021.

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Abstract

Whitney's 2-Isomorphism Theorem characterises when two graphs have isomorphic cycle matroids. We present an analogue of this theorem for graphs embedded in surfaces by characterising when two graphs in surface have isomorphic delta-matroids.
Original languageEnglish
Article number102133
JournalAdvances in applied mathematics
Volume126
Early online date19 Nov 2020
DOIs
Publication statusE-pub ahead of print - 19 Nov 2020
This open access research output is licenced under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.

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