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Title

Analytic hypoellipticity for sums of squares of vector fields

Authors 1

Affiliations

  1. Department of Mathematics, University of Notre Dame, Notre Dame, Indiana 46556, U.S.A.

Abstract

We discuss the open problem of analytic hypoellipticity for sums of squares of vector fields, including some recent partial results and a conjecture of Treves.

Keywords

ENG
analytic hypoellipticity, sum of squares of vector fields, eigenvalue, bracket condition, characteristic set, symplectic, torus

Bibliography

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Annales Polonici Mathematici
1998/70/1
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Pages:
117-129
Main language of publication
English
Received
1998-01-05
Accepted
1998-08-28
Published
1998
Exact and natural sciences