bridgeless
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Bridgeless — Bridge less, a. Having no bridge; not bridged. [1913 Webster] … The Collaborative International Dictionary of English
bridgeless — adjective see bridge I … New Collegiate Dictionary
bridgeless — bridge·less … English syllables
bridgeless — lə̇s adjective : being without a bridge … Useful english dictionary
Cycle double cover — Unsolved problems in mathematics Does every bridgeless graph have a multiset of cycles covering every edge exactly twice? … Wikipedia
Nowhere-zero flow — In graph theory, nowhere zero flows are a special type of network flow which is related (by duality) to coloring planar graphs. Let G = (V,E) be a directed graph and let M be an abelian group. We say that a map is a flow or an M flow if the… … Wikipedia
Petersen graph — Infobox graph name = Petersen graph image caption = The Petersen graph is most commonly drawn as a pentagon with a pentagram inside, with five spokes. namesake = Julius Petersen vertices = 10 edges = 15 radius = 2 diameter = 2 girth = 5 chromatic … Wikipedia
Cubic graph — Not to be confused with graphs of cubic functions. The Petersen graph is a Cubic graph … Wikipedia
Edge coloring — A 3 edge coloring of the Desargues graph. In graph theory, an edge coloring of a graph is an assignment of “colors” to the edges of the graph so that no two adjacent edges have the same color. For example, the figure to the right shows an edge… … Wikipedia
List of unsolved problems in mathematics — This article lists some unsolved problems in mathematics. See individual articles for details and sources. Contents 1 Millennium Prize Problems 2 Other still unsolved problems 2.1 Additive number theory … Wikipedia
