The hypercontractive approach to exactly bounding an operator with complex Gaussian kernel
The hypercontractive approach to exactly bounding an operator with complex Gaussian kernel
复制标题
用复杂高斯核精确限制算子的超收缩方法
DOI:
10.1016/0022-1236(89)90002-5
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发表时间:
1989
影响因子:
1.7
通讯作者:
J. Epperson
中科院分区:
文献类型:
--
作者:
J. Epperson
We study operatorsG:Lq(Rn) →Lp(Rn) given by a nondegenerate complex Gaussian kernel. In many cases such an operator attains its bound at a maximizing Gaussian functiongϵLq(Rn). To show this we prove a complexified version of Edward Nelson's hypercontractive theorem.