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On hypoellipticity of second order operators

✍ Scribed by Beals, Richard; Fefferman, Charles


Book ID
115538581
Publisher
Taylor and Francis Group
Year
1976
Tongue
English
Weight
303 KB
Volume
1
Category
Article
ISSN
0360-5302

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Hypoellipticity of Some Degenerate Subel
✍ J.J Kohn πŸ“‚ Article πŸ“… 1998 πŸ› Elsevier Science 🌐 English βš– 253 KB

The purpose of this paper is to establish the following result. Let L 1 and L 2 be subelliptic operators on R n x and R m y , respectively. Assume that \* # C (R n x ) with \* 0, assume that \* has a zero of infinite order at the origin and that all other zeroes of \* are of finite order. Then the