MAXIMAL AVERAGES ALONG A PLANAR VECTOR FIELD DEPENDING ON ONE VARIABLE

被引:5
作者
Bateman, Michael [1 ]
机构
[1] Univ Calif Los Angeles, Dept Math, Los Angeles, CA 90095 USA
关键词
ARBITRARY SETS; DIRECTIONS; OPERATORS;
D O I
10.1090/S0002-9947-2013-05673-5
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We prove (essentially) sharp L-2 estimates for a restricted maximal operator associated to a planar vector field that depends only on the horizontal variable. The proof combines an understanding of such vector fields from earlier work of the author with a result of Nets Katz on directional maximal operators.
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页码:4063 / 4079
页数:17
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