Titlebook: Disordered Systems and Biological Organization; Proceedings of the N E. Bienenstock,F. Fogelman Soulié,G. Weisbuch Conference proceedings 1

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On the Statistical Physics of Spin Glassesglasses (in mean field theory). In order to try and make them more accessible, I have systematically avoided all the computations, which are described in many good recent reviews (see for instance /1–4/) in which one will find also more extended references. An introduction to the replica method, fro

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Symbolic Computation Methods for Some Spin Glasses Problemsthe first part we study . of finite two-dimensional and three-dimensional Ising models. These partition functions can be expressed with polynomials and we want to compute all the coefficients of these polynomials .. In the second part we deal with . of some regular two-dimensional Ising models. We w

diathermy

Order and Defects in Geometrically Frustrated Systems local configuration to generate a perfect tiling of the euclidean space. It is the case, for instance, for amorphous metals where long range order is absent while the local configuration is rather well defined with the presence of five fold (icosahedral) symmetry.. Our aim is to provide a definitio

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Collective Computation With Continuous Variableso discrete states (1) (or levels of activity) which might be thought of as “0” and “1”. That model involved an asynchronous updating of the state of each neuron, and could be closely related to aspects of magnetic Ising systems. The role of exchange in the magnetic system is played by the connection

Analogy

Quarks, Gluonen und starke Wechselwirkungn, they have established themselves as unique tools to analyze the emergence of global organization, complexity, and pattern formation from the iteration of local operations between simple elements. They have also been extensively used as models of universal computation, and are being increasingly a

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Teilchenerzeugung in e+e--Kollisionen neighbours x + i, i = -n,…, n, where n is a positive integer called the scope of the array. Each machine can synchronously change its state at discrete time steps as a function of its state and the states of its neighboring machines.

Bravura

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Fermentation