Uniqueness of solution of a singular heat equation.
Young, Eutiquio C. (1984)
International Journal of Mathematics and Mathematical Sciences
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Displaying similar documents to “Comparison theorems for ultrahyperbolic equations.”
Uniqueness of solution of a singular heat equation.
Picone-type inequalities for nonlinear elliptic equations with first-order terms and their applications.
Jaroš, Jaroslav, Takaŝi, Kusano, Yoshida, Norio (2006)
Journal of Inequalities and Applications [electronic only]
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Marchuk identity-type second order difference schemes of 2-d and 3-d elliptic problems with intersected interfaces
Ivanka Tr. Angelova, Lubin G. Vulkov (2007)
Kragujevac Journal of Mathematics
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Existence of positive solutions of -dimensional system of nonlinear differential equations entering into a singular point
Josef Diblík, Miroslava Růžičková (2000)
Archivum Mathematicum
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The singular Cauchy-Nicoletti problem for the system of two ordinary differential equations
Josef Diblík (1992)
Mathematica Bohemica
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In the paper the singular Cauchy-Nicoletti problem for the system ot two ordinary differential equations is considered. New sufficient conditions for solvability of this problem are proved. In the proofs the topological method is applied. Some comparisons with known results are also given in the paper.
Uniform stabilization and exact control of multilayered piezoelectric body.
Kapitonov, Boris V., Perla Menzala, G. (2003)
Portugaliae Mathematica. Nova Série
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Identification of a quasilinear parabolic equation from final data
Luis a. Fernández, Cecilia Pola (2001)
International Journal of Applied Mathematics and Computer Science
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We study the identification of the nonlinearities A,(→)b and c appearing in the quasilinear parabolic equation y_t − div(A(y)∇y + (→)b(y)) + c(y) = u inΩ × (0,T), assuming that the solution of an associated boundary value problem is known at the terminal time, y(x,T), over a (probably small) subset of Ω, for each source term u. Our work can be divided into two parts. Firstly, the uniqueness of A,(→)b and c is proved under appropriate assumptions. Secondly, we consider a finite-dimensional...
The application of Picone-type identity for some nonlinear elliptic differential equations.
Bognár, G., Došlý, O. (2003)
Acta Mathematica Universitatis Comenianae. New Series
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Some superconvergence results of high-degree finite element method for a second order elliptic equation with variable coefficients
Xiaofei Guan, Mingxia Li, Wenming He, Zhengwu Jiang (2014)
Open Mathematics
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In this paper, some superconvergence results of high-degree finite element method are obtained for solving a second order elliptic equation with variable coefficients on the inner locally symmetric mesh with respect to a point x 0 for triangular meshes. By using of the weak estimates and local symmetric technique, we obtain improved discretization errors of O(h p+1 |ln h|2) and O(h p+2 |ln h|2) when p (≥ 3) is odd and p (≥ 4) is even, respectively. Meanwhile, the results show that the...