Wave front set of solutions to sums of squares of vector fields
著者
書誌事項
Wave front set of solutions to sums of squares of vector fields
（Memoirs of the American Mathematical Society, no. 1039）
American Mathematical Society, c2012
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注記
"January 2013, volume 221, number 1039 (third of 5 numbers)."
Includes bibliographical references (p. 71-72) and index
内容説明・目次
内容説明
The authors study the (micro)hypoanalyticity and the Gevrey hypoellipticity of sums of squares of vector fields in terms of the Poisson-Treves stratification. The FBI transform is used. They prove hypoanalyticity for several classes of sums of squares and show that their method, though not general, includes almost every known hypoanalyticity result. Examples are discussed.
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