期刊
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS
卷 37, 期 8, 页码 4489-4505出版社
AMER INST MATHEMATICAL SCIENCES-AIMS
DOI: 10.3934/dcds.2017192
关键词
Gierer-Meinhardt system; singularity; stationary solution; Dirichlet boundary; existence; uniqueness
资金
- NSF of China [11671175, 11571200]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Top-notch Academic Programs Project of Jiangsu Higher Education Institutions [PPZY2015A013]
- Qing Lan Project of Jiangsu Province
- Independent Innovation Project of Tianjin University [YCX16019]
This paper is concerned with the stationary Gierer-Meinhardt system with singularity: {d1 Delta u - a(1)u + u(p)/v(p) + p(1)(x) = 0, x is an element of Omega, d2 Delta v - a(2)v vertical bar (vr)(vs) vertical bar p(2)(x) = 0, x is an element of Omega, u(x) > 0, v(x) > 0, x is an element of Omega, u(x) = v(x) = 0, x is an element of partial derivative Omega, where -infinity < p < 1, -1 < s and q, r, d(1), d(2) are positive constants, a(1), a(2) are nonnegative constants, p(1), p(2) are smooth nonnegative functions and Omega subset of R-d (d >= 1) is a bounded smooth domain. New su ffi cient conditions, some of which are necessary, on the existence of classical solutions are established. A uniqueness result of solutions in any space dimension is also derived. Previous results are substantially improved; moreover, a much simpler mathematical approach with potential application in other problems is developed.
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