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Date: 2000-02-02 14:29:27Planar graphs Topological graph theory Polyhedral combinatorics Euler characteristic Water gas and electricity Four color theorem Graph Graph structure theorem Planar separator theorem Graph theory Mathematics Graph coloring | On the Euler Characteristic Edward Early Abstract. We discuss the Euler Characteristic and some of the consequences of its topological invariance. We start by following the path of history that motivated the studyAdd to Reading ListSource URL: www-math.mit.eduDownload Document from Source WebsiteFile Size: 267,67 KBShare Document on Facebook |
OPTIMIZING THE GRAPH MINORS WEAK STRUCTURE THEOREM ARCHONTIA C. GIANNOPOULOU† ‡ AND DIMITRIOS M. THILIKOS† § Abstract. One of the major results of [N. Robertson and P. D. Seymour. Graph minors. XIII. The disjointDocID: 1t0hk - View Document | |
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