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Published in 2020 at "Mathematical Methods in the Applied Sciences"
DOI: 10.1002/mma.6419
Abstract: Analytic solutions of the partial differential equations are needed to explain many phenomena seen in thermodynamics, aerodynamics, plasma physics, and other fields. In this paper, variational principle is analyzed of the integrable nonlinear Korteweg–de Vries… read more here.
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Published in 2021 at "Mathematical Methods in the Applied Sciences"
DOI: 10.1002/mma.7302
Abstract: The paper aims to employ a new effective methodology to build exact fractional solutions to the generalized nonlinear Schrödinger equation with a local fractional operator defined on Cantor sets. The equation contains group velocity dispersion… read more here.
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Published in 2017 at "Methods in molecular biology"
DOI: 10.1007/978-1-4939-6613-4_20
Abstract: Fixed-parameter algorithms are designed to efficiently find optimal solutions to some computationally hard (NP-hard) problems by identifying and exploiting "small" problem-specific parameters. We survey practical techniques to develop such algorithms. Each technique is introduced and… read more here.
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Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep11(2019)174
Abstract: Abstract We study dynamics of two-dimensional non-abelian gauge theories with $$ \mathcal{N} $$ N = (0, 2) supersymmetry that include $$ \mathcal{N} $$ N = (0, 2) supersymmetric QCD and its generaliza- tions. In particular,… read more here.
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Published in 2018 at "Acta Mechanica"
DOI: 10.1007/s00707-018-2137-z
Abstract: In this paper we have obtained different families of exact solutions for incompressible generalized Beltrami flows. We derive all possible polynomial solutions of incompressible axisymmetric generalized Beltrami flows in the variables r and z in… read more here.
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Published in 2017 at "Foundations of Physics"
DOI: 10.1007/s10701-017-0091-6
Abstract: A new approach to tackle Einstein equations for an isotropic and homogeneous Friedmann–Robertson–Walker Universe in the presence of a quintessence scalar field is devised. It provides a way to get a simple exact solution to… read more here.
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Published in 2018 at "Surveys in Geophysics"
DOI: 10.1007/s10712-018-9467-1
Abstract: During the last 20 years, geophysicists have developed great interest in using gravity gradient tensor signals to study bodies of anomalous density in the Earth. Deriving exact solutions of the gravity gradient tensor signals has… read more here.
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Published in 2018 at "General Relativity and Gravitation"
DOI: 10.1007/s10714-018-2351-y
Abstract: Heun-type exact solutions emerge for both the radial and the angular equations for the case of a scalar particle coupled to the zero mass limit of both the Kerr and Kerr-(anti)de-Sitter spacetime. Since any type… read more here.
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Published in 2020 at "General Relativity and Gravitation"
DOI: 10.1007/s10714-020-02685-z
Abstract: Scalar and tensor cosmological perturbations during an inflationary universe scenario in the context of the a generalized gravity theory are studied. This analyze is carried out considering an ansatz on the variables associated to scalar… read more here.
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Published in 2017 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-017-1105-5
Abstract: The modified simple equation method is an interesting technique to find new and more general exact solutions to the fractional differential equations in nonlinear sciences. In this paper, the method is applied to construct exact… read more here.
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Published in 2017 at "Telecommunication Systems"
DOI: 10.1007/s11235-016-0177-z
Abstract: Recently multiserver queues with setup times have been extensively studied because they have applications in power-saving data centers. A challenging model is the M/M/c/Setup queue where a server is turned off when it is idle… read more here.