10 resultados para Feynman Path Integrals

em Bulgarian Digital Mathematics Library at IMI-BAS


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Dedicated to Professor A.M. Mathai on the occasion of his 75-th birthday. Mathematics Subject Classi¯cation 2010: 26A33, 44A10, 33C60, 35J10.

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The aim of this paper is to study a generalized form of elliptic-type integrals which unify and extend various families of elliptic-type integrals studied recently by several authors. In a recent communication [1] we have obtained recurrence relations and asymptotic formula for this generalized elliptic-type integral. Here we shall obtain some more results which are single and multiple integral formulae, differentiation formula, fractional integral and approximations for this class of generalized elliptic-type integrals.

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A new approach is proposed for the quantum mechanics of guiding center motion in strong magnetic field. This is achieved by use of the coherent state path integral for the coupled systems of the cyclotron and the guiding center motion. We are specifically concerned with the effective action for the guiding center degree, which can be used to get the Bohr- Sommerfeld quantization scheme. The quantization rule is similar to the one for the vortex motion as a dynamics of point particles.

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In this paper the network problem of determining all-pairs shortest-path is examined. A distributed algorithm which runs in O(n) time on a network of n nodes is presented. The number of messages of the algorithm is O(e+n log n) where e is the number of communication links of the network. We prove that this algorithm is time optimal.

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Mathematics Subject Classification: 26A16, 26A33, 46E15.

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2000 Mathematics Subject Classification: 44A15, 44A35, 46E30

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2000 Math. Subject Classification: Primary 42B20, 42B25, 42B35

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MSC 2010: 03E72, 26E50, 28E10

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2000 Mathematics Subject Classification: Primary 34C07, secondary 34C08.

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2000 Mathematics Subject Classification: 60H30, 35K55, 35K57, 35B35.