Critical semilinear biharmonic equations in RN

Critical semilinear biharmonic equations in RN
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DOI:
10.1017/s0308210500014189
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发表时间:
1992
期刊:
Proceedings of the Royal Society of Edinburgh: Section A Mathematics
影响因子:
--
通讯作者:
E. Noussair;C. Swanson;Jianfu Yang
E. Noussair;C. Swanson;Jianfu Yang
中科院分区:
其他
文献类型:
--
作者:
E. Noussair;C. Swanson;Jianfu Yang

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本文得到了RN中一类临界Sobolev指数为(N + 4)/(N − 4),N>4的四阶半线性椭圆问题解的存在性定理。一个初步的结果是,在索伯列夫嵌入L2 N/(N-4)(RN)的最佳常数是通过所有的平移和伸缩(1 + x 2)(4-N)/2。发现最佳常数为
Synopsis An existence theorem is obtained for a fourth-order semilinear elliptic problem in RN involving the critical Sobolev exponent (N + 4)/(N − 4), N>4. A preliminary result is that the best constant in the Sobolev embedding L2N/(N–4) (RN) is attained by all translations and dilations of (1 + ∣x∣2)(4-N)/2. The best constant is found to be