Comparison theorems for ultrahyperbolic equations.
Travis, C.C., Young, E.C. (1978)
International Journal of Mathematics and Mathematical Sciences
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Travis, C.C., Young, E.C. (1978)
International Journal of Mathematics and Mathematical Sciences
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Bryan, Kurt, Caudill, Lester F.jun. (1997)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Yuzhen Bai (2010)
Open Mathematics
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In this paper, we show the backward uniqueness in time of solutions to nonlinear integro-differential systems with Neumann or Dirichlet boundary conditions. We also discuss reasonable physical interpretations for our conclusions.
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.
Sigeru Mizohata (1983)
Journées équations aux dérivées partielles
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Kapitonov, Boris V., Perla Menzala, G. (2003)
Portugaliae Mathematica. Nova Série
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Berikelashvili, Givi (2006)
Journal of Inequalities and Applications [electronic only]
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Ján Filo, Stephan Luckhaus (2000)
Journal of the European Mathematical Society
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An asymptotic analysis is given for the heat equation with mixed boundary conditions rapidly oscillating between Dirichlet and Neumann type. We try to present a general framework where deterministic homogenization methods can be applied to calculate the second term in the asymptotic expansion with respect to the small parameter characterizing the oscillations.
W Golik (1991)
Applicationes Mathematicae
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Roberty, Nilson C., Rainha, Marcelo L.S. (2010)
Mathematical Problems in Engineering
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Guezane-Lakoud, Assia, Dabas, Jaydev, Bahuguna, Dhirendra (2011)
International Journal of Mathematics and Mathematical Sciences
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