Results 11 to 20 of about 289,841 (186)

Geometry of the free-sliding Bernoulli beam [PDF]

, 2016
If a variational problem comes with no boundary conditions prescribed beforehand, and yet these arise as a consequence of the variation process itself, we speak of a free boundary values variational problem.
Moreno, Giovanni, Stypa, Monika Ewa
core   +3 more sources

Existence‎ Solution for‎ ‎a Non-smooth System [PDF]

Mathematics Interdisciplinary Research
‎A variational method for a mixed boundary value problem in mathematical physics is considered‎. ‎Using two-field Lagrange multipliers‎, ‎we would investigate a variational formulation containing a mixed variational problem which is equivalent with a ...
Maisam Alizadeh, Mohsen Alimohammady, Meysam Gilak   +2 more
doaj   +1 more source

A variational problem on Stiefel manifolds [PDF]

, 2006
In their paper on discrete analogues of some classical systems such as the rigid body and the geodesic flow on an ellipsoid, Moser and Veselov introduced their analysis in the general context of flows on Stiefel manifolds.
Amit K Sanyal, Anthony M Bloch, Bloch A M, Bloch A M, Federov Y N, Federov Y N, Gelfand I M, Kirk D E, Knorrer H, Manakov S V, Marsden J E, Moser J, Peter E Crouch   +12 more
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Inexact Model: A Framework for Optimization and Variational Inequalities [PDF]

, 2020
In this paper we propose a general algorithmic framework for first-order methods in optimization in a broad sense, including minimization problems, saddle-point problems and variational inequalities.
Agafonov, Artem, Dvinskikh, Darina, Dvurechensky, Pavel, Gasnikov, Alexander, Kroshnin, Alexey, Pasechnyuk, Dmitry, Piskunova, Victorya, Stonyakin, Fedor, Tyurin, Alexander   +8 more
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Invariant Higher-Order Variational Problems [PDF]

Communications in Mathematical Physics, 2011
46 pages, 8 figures, First version -- comments welcome!
Gay-Balmaz, François, Holm, D.D., Meier, D.M., Ratiu, T.S., Vialard, F.-X.   +4 more
openaire   +5 more sources

Variational approach in weighted Sobolev spaces to scattering by unbounded rough surfaces [PDF]

, 2009
We consider the problem of scattering of time harmonic acoustic waves by an unbounded sound soft surface which is assumed to lie within a finite distance of some plane.
Chandler-Wilde, Simon Neil, Elschner, J
core   +2 more sources

Fractional actionlike variational problems [PDF]

Journal of Mathematical Physics, 2008
Fractional actionlike variational problems have recently gained importance in studying dynamics of nonconservative systems. In this note we address multidimensional fractional actionlike problems of the calculus of variations.
El-Nabulsi, R.A., Torres, D.F.M.
openaire   +3 more sources

Multitime multiobjective variational problems via η-approximation method [PDF]

Yugoslav Journal of Operations Research, 2022
The present article is devoted to multitime multiobjective variational problems via η-approximation method. In this method, an η-approximation approach is applied to the considered problem, and a new problem is constructed, called as η- approximated ...
Jha Shalini, Das Prasun, Bandhyopadhyay Sanghamitra   +2 more
doaj   +1 more source

Construction And Research Of Full Balance Energy Of Variational Problem Motion Surface And Groundwater Flows [PDF]

, 2017
Based on the laws of conservation of mass and momentum the basic equations of motion with unknown quantities velocity and piezometric pressure are written.
Venherskyi, P. (Petro)
core   +2 more sources

A note on a second order PDE with critical nonlinearity

Electronic Journal of Qualitative Theory of Differential Equations, 2019
In this work, we are interested in a nonlinear PDE of the form: $-\Delta u = K(x) u^\frac{n+2}{n-2}, u>0$ on $\Omega$ and $u=0$ on $\partial\Omega$, where $n\geq 3$ and $\Omega$ is a regular bounded domain of $\mathbb{R}^n$.
Khadijah Sharaf
doaj   +1 more source