Results 31 to 40 of about 5,519,972 (105)
Reiterated homogenization of nonlinear monotone operators in a general deterministic setting
Journal of Function Spaces, Volume 7, Issue 2, Page 121-152, 2009., 2009 We study reiterated homogenization of a nonlinear non‐periodic elliptic differential operator in a general deterministic setting as opposed to the usual stochastic setting. Our approach proceeds from an appropriate notion of convergence termed reiterated Σ‐convergence.
Dag Lukkassen +4 more
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Infinitely many new curves of the Fučík spectrum [PDF]
, 2015 In this paper we present some results on the Fučík spectrum for the Laplace operator, that give new information on its structure. In particular, these results show that, if Ω is a bounded domain of R^N with N>1, then the Fučík spectrum has infinitely ...
Molle, R +5 more
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A lattice Boltzmann approach to mathematical modeling of myocardial perfusion
International Journal for Numerical Methods in Biomedical Engineering, Volume 40, Issue 7, July 2024.A mathematical model of myocardial perfusion based on the lattice Boltzmann method and contrast agent transport based on advection–diffusion equation is proposed in 1D and 2D and its applicability is discussed in both healthy and diseased cases in relation to the perfusion magnetic resonance imaging exam.
Radek Fučík +4 more
wiley +1 more source
Various Half‐Eigenvalues of Scalar p‐Laplacian with Indefinite Integrable Weights
Abstract and Applied Analysis, Volume 2009, Issue 1, 2009., 2009 Consider the half‐eigenvalue problem (ϕp(x′))′+λa(t)ϕp(x+)−λb(t)ϕp(x−)=0 a.e. t ∈ [0, 1], where 1 < p < ∞, ϕp(x) = |x|p−2x, x±(⋅) = max {±x(⋅), 0} for x ∈ 𝒞0 : = C([0, 1], ℝ), and a(t) and b(t) are indefinite integrable weights in the Lebesgue space ℒγ : = Lγ([0, 1], ℝ), 1 ≤ γ ≤ ∞.
Wei Li, Ping Yan, Pavel Drabek
wiley +1 more source
The Fučík spectrum of the discrete Dirichlet operator
, 2021 Disertační práce je zaměřena na studium Fučíkova spektra pro diskrétní operátory. Vzhledem k tomu, že obecné vyšetření Fučíkova spektra diskrétních operátorů je v dnešní době stále těžce uchopitelnou výzvou, studium v této práci je zaměřené na konkrétní ...
Sobotková, Iveta
core
Mathematical Modelling and Analysis, 2011 The present study is devoted to the development of an ADI approach to simulate two-dimensional time-dependent diffusion process of ferromagnetic particles in magnetic fluids. Specific features of the problem are the Neumann boundary conditions.
V. Polevikov, L. Tobiska
doaj +1 more source
The educational diffusion of divorce: The role of gender and context
Journal of Marriage and Family, Volume 86, Issue 3, Page 738-761, June 2024.Abstract Objective This study examines the educational diffusion of divorce in Europe and the role of women's decision‐making therein. Background As the contextual barriers to divorce have lowered, the divorce rates of less‐educated women have increased in many societies.
Bram Hogendoorn, Lonneke van den Berg
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Semianalytical Solution for Two‐Phase Flow in Porous Media with a Discontinuity
Vadose Zone Journal, Volume 7, Issue 3, Page 1001-1007, August 2008., 2008 We present a benchmark solution for one‐dimensional porous media with heterogeneity involving two soils separated by a sharp interface. A similar problem was discussed previously by other researchers; however, only a diffusion term was considered in their models. The proposed solution allows the inclusion of advection terms in a limited way.
Radek Fučík +3 more
wiley +1 more source
Nonlinear problems with asymmetric principal part
Mathematical Modelling and Analysis, 2012 The boundary value problem is considered provided that f : [0, +∞) → [0, +∞) is Lipschitzian and is continuous and Lipschitzian in xand x′. We assume that f is bounded by two linear functions kx and lx, where k > l > 0, and h is bounded.
Armands Gritsans, Felix Sadyrbaev
doaj +1 more source
JCMS: Journal of Common Market Studies, Volume 62, Issue 3, Page 784-800, May 2024.Abstract The Permanent Structured Cooperation in Defence (PESCO) and the European Defence Fund (EDF) constitute another attempt to consolidate the European defence market. In this article, we explain the different engagements of Czechia and Portugal in the two initiatives until 2021 through the evolution and reform of the domestic institutions ...
Tomáš Weiss +2 more
wiley +1 more source