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weak duality

См. также в других словарях:

  • Duality gap — In optimization problems in applied mathematics, the duality gap is the difference between the primal and dual solutions. If d * is the optimal dual value and p * is the optimal primal value then the duality gap is equal to p * − d * . This value …   Wikipedia

  • S-duality — In theoretical physics, S duality (also a strong weak duality) is an equivalence of two quantum field theories, string theories, or M theory. An S duality transformation maps the states and vacua with coupling constant g in one theory to states… …   Wikipedia

  • Montonen–Olive duality — In theoretical physics, Montonen–Olive duality is the oldest known example of S duality or a strong weak duality. It generalizes the electro magnetic symmetry of Maxwell s equations. It is named after Finnish Claus Montonen and British David… …   Wikipedia

  • Montonen-Olive duality — In theoretical physics, Montonen Olive duality is the oldest known example of S duality or a strong weak duality. It generalizes the electro magnetic symmetry of Maxwell s equations. It is named after Finnish Claus Montonen and British David… …   Wikipedia

  • String duality — is a class of symmetries in physics that link different string theories, theories which assume that the fundamental building blocks of the universe are strings instead of point particles. Before the so called duality revolution there were… …   Wikipedia

  • Seiberg duality — In quantum field theory, the Seiberg duality, discovered by Nathan Seiberg, is an S duality relating two different supersymmetric QCDs in the low energy (infrared) limit. This duality is only exact in the IR limit; in other words, the two… …   Wikipedia

  • Linear programming — (LP, or linear optimization) is a mathematical method for determining a way to achieve the best outcome (such as maximum profit or lowest cost) in a given mathematical model for some list of requirements represented as linear relationships.… …   Wikipedia

  • Dual problem — In constrained optimization, it is often possible to convert the primal problem (i.e. the original form of the optimization problem) to a dual form, which is termed a dual problem. Usually dual problem refers to the Lagrangian dual problem but… …   Wikipedia

  • Ising model — The Ising model, named after the physicist Ernst Ising, is a mathematical model in statistical mechanics. It has since been used to model diverse phenomena in which bits of information, interacting in pairs, produce collectiveeffects.Definition… …   Wikipedia

  • Nathan Seiberg — at Harvard University Born September …   Wikipedia

  • String theory — This article is about the branch of theoretical physics. For other uses, see String theory (disambiguation). String theory …   Wikipedia

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