Results 11 to 20 of about 722,802 (181)

B\"acklund transformations for nonlinear evolution equations: Hilbert space approach [PDF]

open access: yes, 1992
A new method of determining B\"acklund transformations for nonlinear partial differential equations of the evolution type is introduced. Using the Hilbert space approach the problem of finding B\"acklund transformations is brought down to the solution of
Kowalski   +8 more
core   +3 more sources

On the solution of \(\mathcal{T}-\)controllable abstract fractional differential equations with impulsive effects

open access: yesCubo, 2023
In this research article, we delimitate the definition of mild solution for abstract fractional differential equations with state-dependent delay (AFDEw/SDD) of order \(\alpha\in(1,2)\) with impulsive effects and compare the solution to the second-order ...
Ganga Ram Gautam   +4 more
doaj   +1 more source

Differential equations on abstract Wiener space [PDF]

open access: yesPacific Journal of Mathematics, 1972
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +3 more sources

On classification and invariants of second order non-parabolic linear partial differential equations in two variables [PDF]

open access: yes, 2017
The paper deals with second order abstract linear partial differential equations (LPDE) over a partial differential field with two commuting differential operators.
Bekbaev, U.
core   +2 more sources

Total stability in abstract functional differential equations with infinite delay

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2000
For functional differential equations with infinite delay in a Banach space, an equivalent relationship between the BC-total stability and the $\rho$-total stability is investigated, and a result due to Murakami and Yoshizawa on functional differential ...
Y. Hino, Satoru Murakami
doaj   +1 more source

Operator splittings and spatial approximations for evolution equations [PDF]

open access: yes, 2009
The convergence of various operator splitting procedures, such as the sequential, the Strang and the weighted splitting, is investigated in the presence of a spatial approximation. To this end a variant of Chernoff's product formula is proved.
András Bátkai   +4 more
core   +4 more sources

Trichotomies for abstract semilinear differential equations

open access: yesJournal of Mathematical Analysis and Applications, 2002
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Chang, Yu-Hsien, Jau, Guo-Chin
openaire   +2 more sources

Global solutions for abstract functional differential equations with nonlocal conditions

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2009
In this paper we study the existence of global solutions for a class of abstract functional differential equation with nonlocal conditions. An application is considered.
Eduardo Hernandez, Sueli M. Tanaka Aki
doaj   +1 more source

Approximate solutions of abstract differential equations [PDF]

open access: yesApplications of Mathematics, 2007
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +3 more sources

Exploiting the Abstract Calculus Pattern for the Integration of Ordinary Differential Equations for Dynamics Systems: An Object-Oriented Programming Approach in Modern Fortran

open access: yesDynamics, 2023
This manuscript relates to the exploiting of the abstract calculus pattern (ACP) for the (numerical) solution of ordinary differential equation (ODEs) systems, which are ubiquitous mathematical formulations of many physical (dynamical) phenomena.
Stefano Zaghi, Cristiano Andolfi
doaj   +1 more source

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