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Title: Higher order contact of real curves in a real hyperquadric (English)
Author: Villarroel, Y.
Language: English
Journal: Archivum Mathematicum
ISSN: 0044-8753 (print)
ISSN: 1212-5059 (online)
Volume: 32
Issue: 1
Year: 1996
Pages: 57-73
Summary lang: English
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Category: math
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Summary: Let $\Phi $ be an hermitian quadratic form, of maximal rank and index $(n,1)$% , defined over a complex $(n+1)$ vectorial space $V$. Consider the real hyperquadric defined in the complex projective space $P^nV$ by \[ Q=\{[\varsigma ]\in P^nV,\;\Phi (\varsigma )=0\}, \] let $G$ be the subgroup of the special linear group which leaves $Q$ invariant and $D$ the $(2n-2)$ distribution defined by the Cauchy Riemann structure induced over $Q$. We study the real regular curves of constant type in $Q$, transversal to $D$, finding a complete system of analytic invariants for two curves to be locally equivalent under transformations of $G$. (English)
Keyword: geometric structures on manifolds
Keyword: local submanifolds
Keyword: contact theory
Keyword: actions of groups
MSC: 32F40
MSC: 53B25
MSC: 53C15
idZBL: Zbl 0870.53025
idMR: MR1399840
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Date available: 2008-06-06T21:30:09Z
Last updated: 2012-05-10
Stable URL: http://hdl.handle.net/10338.dmlcz/107561
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Related article: http://dml.cz/handle/10338.dmlcz/107663
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