Lower bounds for pseudo-differential operators
Lower bounds for pseudo-differential operators
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伪微分算子的下界
DOI:
10.5802/aif.1227
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发表时间:
1990
期刊:
影响因子:
--
通讯作者:
J. Nourrigat
中科院分区:
文献类型:
--
作者:
N. Lerner;J. Nourrigat
We start an investigation on lower bounds for pseudo-differential operators. Our guideline will be one of C. Fefferman and D.H. Phong's conjecture: if a(x,D x ) is a second order operator, its lower bound will be given by some average of its symbol on canonical of the unit cube in the phase space