Articles with "functional integral" as a keyword



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Fuzzy Bezier splines with application to fuzzy functional integral equations

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Published in 2020 at "Soft Computing"

DOI: 10.1007/s00500-020-04740-y

Abstract: In this paper, we present the description of fuzzy Bezier splines and as an application we propose an iterative numerical method for approximating the solution of fuzzy functional integral equations of Fredholm type. The convergence… read more here.

Keywords: fuzzy bezier; bezier splines; splines application; functional integral ... See more keywords
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Functional-integral approach to Gaussian fluctuations in Eliashberg theory

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Published in 2021 at "Physical Review B"

DOI: 10.1103/physrevb.104.014513

Abstract: The Eliashberg theory of superconductivity is based on a dynamical electron-phonon interaction as opposed to a static interaction present in BCS theory. The standard derivation of Eliashberg theory is based on an equation of motion… read more here.

Keywords: approach; integral approach; eliashberg theory; functional integral ... See more keywords
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Solution of a functional integral inclusion in Banach space

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Published in 2018 at "Fixed Point Theory"

DOI: 10.24193/fpt-ro.2018.1.14

Abstract: In this paper we study the existence of weak solutions x ∈ C[I, E] for the nonlinear functional integral inclusion x(t) ∈ a(t) + ∫ t 0 F (t, s, g(s, x(m(s))))ds, t ∈ I… read more here.

Keywords: banach space; integral inclusion; functional integral;