Best constant and value of extremizers for a k-plane transform inequality
Best constant and value of extremizers for a k-plane transform inequality
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k 平面变换不等式的最佳常数和极值
DOI:
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发表时间:
2011
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通讯作者:
A. Drouot
中科院分区:
文献类型:
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作者:
A. Drouot
The k-plane transformRk acting on test functions onR satisfies a dilationinvariantL → L inequality for some exponents p, q. We will explicit some extremizers and the value of the best constant for any value of k andd, solving the endpoint case of a conjecture from Baernstein and Loss. This extends their own res ult for k = 2 and Christ’s result for k = d− 1.