Results 31 to 40 of about 169,626 (311)

Exponential behavior and upper noise excitation index of solutions to evolution equations with unbounded delay and tempered fractional Brownian motions [PDF]

open access: yes, 2021
In this paper, we investigate stochastic evolution equations with unbounded delay in fractional power spaces perturbed by a tempered fractional Brownian motion Bσ,λQ(t) with −1/20.
Wang, Yejuan   +2 more
core   +1 more source

The evolution equation: An application of groupoids to material evolution

open access: yesJournal of Geometric Mechanics, 2022
arXiv admin note: substantial text overlap with arXiv:2108 ...
León, Manuel de   +1 more
openaire   +6 more sources

Some analytical properties of dissolving operators related with the Cauchy problem for a class of nonautonomous partial differential equations. Part 1 [PDF]

open access: yesOpuscula Mathematica, 2006
The analytical properties of dissolving operators related with the Cauchy problem for a class of nonautonomous partial differential equations in Hilbert spaces are studied using theory of bi-linear forms in respectively rigged Hilbert spaces triples ...
Marzena Pytel-Kudela   +1 more
doaj  

Geometric phase for timelike spherical normal magnetic charged particles optical ferromagnetic model

open access: yesJournal of Taibah University for Science, 2020
We introduce the theory of optical spherical Heisenberg ferromagnetic spin of timelike spherical normal magnetic flows of particles by the spherical frame in de Sitter space.
Talat Korpinar   +3 more
doaj   +1 more source

Magnetic charged particles of optical spherical antiferromagnetic model with fractional system

open access: yesOpen Physics, 2021
In this article, we first consider approach of optical spherical magnetic antiferromagnetic model for spherical magnetic flows of ϒ\Upsilon -magnetic particle with spherical de-Sitter frame in the de-Sitter space S12{{\mathbb{S}}}_{1}^{2}.
Yao Shao-Wen   +5 more
doaj   +1 more source

A splitting/polynomial chaos expansion approach for stochastic evolution equations.

open access: yes, 2020
In this paper, we combine deterministic splitting methods with a polynomial chaos expansion method for solving stochastic parabolic evolution problems. The stochastic differential equation is reduced to a system of deterministic equations that we solve ...
Kofler, Andreas   +3 more
core   +1 more source

Application of higher order Haar wavelet method for solving nonlinear evolution equations

open access: yesMathematical Modelling and Analysis, 2020
The recently introduced higher order Haar wavelet method is treated for solving evolution equations. The wave equation, the Burgers’ equations and the Korteweg-de Vries equation are considered as model problems.
Mart Ratas, Andrus Salupere
doaj   +1 more source

Partially integrable nonlinear equations with one higher symmetry [PDF]

open access: yes, 2005
In this letter, we present a family of second order in time nonlinear partial differential equations, which have only one higher symmetry.
Mikhailov, AV   +5 more
core   +1 more source

Parabolic variational inequalities with generalized reflecting directions

open access: yesOpen Mathematics, 2015
We study, in a Hilbert framework, some abstract parabolic variational inequalities, governed by reflecting subgradients with multiplicative perturbation, of the following type:
Rotenstein Eduard
doaj   +1 more source

Time Fractional Derivatives and Evolution Equations

open access: yesBruno Pini Mathematical Analysis Seminar, 2017
In this seminar we introduce the fractional derivatives of Riemann-Liouville and Caputo, with some of their main properties. We conclude by illustrating certain results of maximal regularity for mixed initial-boundary value problems, evolving them.
Davide Guidetti
doaj   +1 more source

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