SHARP L(2) ESTIMATES FOR PSEUDODIFFERENTIAL-OPERATORS

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作者
BOULKHEMAIR, A
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中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
If a ; R(n) x R(n) --> C is a measurable and tempered function, we set: a (x, D) v (x) = integral e(ixeta) a (x, eta) v (eta) deta, v is-an-element-of S (R(n)). We give new sufficient conditions on the (local or global) regularity of the symbol a (x, eta) for the L2 boundedness of the pseudodifferential operator a(x, D) in R(n).
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页码:445 / 448
页数:4
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