Results 31 to 40 of about 3,531 (298)

Curvelets and Curvilinear Integrals

open access: yesJournal of Approximation Theory, 2001
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Emmanuel J. Candès, David L. Donoho
openaire   +2 more sources

On a boundary value problem for an odd-order equation with multiple characteristics

open access: yesVestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2022
A nonlinear boundary value problem for a third-order nonlinear equation with multiple characteristics is studied in the article in a curvilinear domain. The unique solvability of the problem is proved. The uniqueness of the solution to the boundary value
Kurbanov, O.T.
doaj   +1 more source

Curvilinear Integrals Along Enriched Paths

open access: yesElectronic Journal of Probability, 2006
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Feyel, Denis, de La Pradelle, Arnaud
openaire   +3 more sources

Connections between Non-Linear Optimization Problems and Associated Variational Inequalities

open access: yesMathematics, 2023
In this paper, by using the invexity (or pseudoinvexity) and Fréchet differentiability of some integral functionals of curvilinear type, we state some relations between the solutions of a new non-linear optimization problem and the associated variational
Savin Treanţă   +2 more
doaj   +1 more source

Influence of the spatial grid type on the result of calculating the neutron fields in the nuclear power plant shielding [PDF]

open access: yesNuclear Energy and Technology, 2023
The paper considers the influence of the spatial grid type on the result of solving the equation of neutron transport in the nuclear power plant (NPP) shielding.
Olga V. Nikolaeva   +4 more
doaj   +3 more sources

Singular Higher Order Divergence-Conforming Bases of Additive Kind and Moments Method Applications to 3D Sharp-Wedge Structures [PDF]

open access: yes, 2008
We present new subsectional, singular divergence conforming vector bases that incorporate the edge conditions for conducting wedges. The bases are of additive kind because obtained by incrementing the regular polynomial vector bases with other ...
GRAGLIA, Roberto   +2 more
core   +1 more source

On Weak Variational Control Inequalities via Interval Analysis

open access: yesMathematics, 2023
This paper deals with the connections between the interval-valued optimal control problem and the associated weak variational control inequality. More precisely, by considering the (strictly) LU-convexity and path independence properties of the involved ...
Savin Treanţă, Tareq Saeed
doaj   +1 more source

Catastrophe theory and caustics of radially symmetric beams [PDF]

open access: yesКомпьютерная оптика, 2019
The work is devoted to the study of the caustics of radial beams. Analytical expressions for caustic surfaces of wave fronts created by radially symmetric diffractive optical elements are found.
Sergey Kharitonov   +2 more
doaj   +1 more source

A Phase Field Model for Continuous Clustering on Vector Fields [PDF]

open access: yes, 2001
A new method for the simplification of flow fields is presented. It is based on continuous clustering. A well-known physical clustering model, the Cahn Hilliard model, which describes phase separation, is modified to reflect the properties of the data to
Preusser, T   +23 more
core   +1 more source

Numerical solution for a curvilinear crack phenomenon in thermoelectric bonded materials subjected to mechanical loadings [PDF]

open access: yes, 2023
In this study, a curvilinear crack phenomenon laying in the upper part of thermoelectric bonded materials subject to mechanical loadings is considered. A curvilinear crack problem in thermoelectric bonded materials subjected to shear stress is formulated.
Khashi’ie, Najiyah Safwa   +6 more
core   +1 more source

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