crossing theory

crossing theory
交叉理论

Atmospheric Sciences (English-Chinese) dictionary. 2014.

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  • Crossing number — may refer to: Crossing number (knot theory) of a knot is the minimal number of crossings in any knot diagram for the knot. The average crossing number is a variant of crossing number obtained from a three dimensional embedding of a knot by… …   Wikipedia

  • Crossing the bridge noodles — Simplified Chinese 过桥米线 Literal meaning Cross bridge rice noodles …   Wikipedia

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  • Crossing number (graph theory) — A drawing of the Heawood graph with three crossings. This is the minimum number of crossings among all drawings of this graph, so the graph has crossing number cr(G) = 3. In graph theory, the crossing number cr(G) of a graph G is the… …   Wikipedia

  • Crossing (physics) — Quantum field theory (Feynman diagram) …   Wikipedia

  • Crossing number (knot theory) — In the mathematical area of knot theory, the crossing number of a knot is the minimal number of crossings of any diagram of the knot. It is a knot invariant. By way of example, the unknot has crossing number zero, the trefoil knot three and the… …   Wikipedia

  • Crossing symmetry — In quantum field theory, a branch of theoretical physics, crossing symmetry is a symmetry that relates S matrix elements. Interaction processes involving different kinds of particles can be obtained from each other by replacing incoming particles …   Wikipedia

  • Crossing the Red Sea — The Crossing of the Red Sea , Nicholas Poussin The Crossing of the Red Sea (Hebrew: קריעת ים סוף Kriat Yam Suph) is a passage in the Biblical narrative of the escape of the Israelites from the pursuing Egyptians in the Book of Exodus …   Wikipedia

  • Crossing the Chasm — Infobox Book name = Crossing the Chasm title orig = translator = image caption = Book Cover author = Geoffrey A. Moore illustrator = cover artist = country = United States language = English series = subject = Marketing high tech products genre …   Wikipedia

  • Crossing sequence (Turing machines) — In theoretical computer science, a crossing sequence at boundary k is the sequence of the states of a Turing machine in which it is at the moments when its head crosses the boundary between cells k and k+1 on the tape, i.e., when the head is over …   Wikipedia

  • Crossing-over — Enjambement (génétique) Pour les articles homonymes, voir Crossover et Enjambement. Illustration du principe d enjambement par Thomas Hunt Morgan s (1916) …   Wikipédia en Français

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