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Complex vector fiel...
Complex vector fields and hypolleptic partial differential operators
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- Altomani, Andrea (author)
- Université du Luxembourg
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- Hill, C. Denson (author)
- SUNY Stony Brook, New York
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- Nacinovich, Mauro (author)
- Universitá Roma Tor Vergata
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- Porten, Egmont (author)
- Mittuniversitetet,Institutionen för naturvetenskap, teknik och matematik (-2012)
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(creator_code:org_t)
- 2010
- 2010
- English.
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In: Annales de l'Institut Fourier. - 0373-0956 .- 1777-5310. ; 60:3, s. 987-1034
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Abstract
Subject headings
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- We prove a subelliptic estimate for systems of complex vector fields under some assumptions that generalize the essential pseudoconcavity for CR manifolds, that was first introduced by two of the authors; and the Hormander's bracket condition for real vector fields. Applications are given to prove the hypoellipticity of first order systems and second order partial differential operators. Finally we describe a class of compact homogeneous CR manifolds for which the distribution of (0,1) vector fields satisfies a subelliptic estimate.
Subject headings
- NATURVETENSKAP -- Matematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics (hsv//eng)
Keyword
- Complex distribution; subelliptic estimate; hypoellipticity; Levi form; CR manifold; pseudoconcavity; flag manifold
- MATHEMATICS
- MATEMATIK
Publication and Content Type
- ref (subject category)
- art (subject category)
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