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A BARRIER BOUNDARY VALUE PROBLEM FOR PARABOLIC AND ELLIPTIC EQUATIONS |
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| Abstract: | Barrier type boundary conditions are modeled for describing the substance diffusion in a medium when obstacles in the medium are considered. The existence of solutions of parabolic and elliptic differential equations with barrier boundary condition is presented in this paper. |
| Keywords: | Parabolic equations Elliptic equations Barriers AMS: 35K20, 35J25, 35D05, 35D10, 92D25 |