Corank

In mathematics, corank may refer to any of several related concepts, complementary to the concept of the rank of a mathematical object: * The corank… (More)
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2013
2013
We study the geometry of surfaces in R with corank 1 singularities. At a singular point we define the curvature parabola using… (More)
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2012
2012
In this paper we study the nilpotent 2-step, corank 2 sub-Riemannian metrics that are nilpotent approximations of general sub… (More)
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2008
2008
In the study of equisingularity of families of mappings Gaffney introduced the crucial notion of excellent unfoldings. This… (More)
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2007
2007
We exhibit sharp upper bounds for the probability distribution of the distance from a system of multivariate polynomial equations… (More)
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2003
2003
We prove that any 1-parameter family of corank 1 distributions (or Pfaff equations) on a compact manifold Mn is trivializable, i… (More)
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2003
2003
Studying a manifold with a certain geometric structure becomes an interesting topic in differential topology when such a… (More)
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2002
2002
Colin de Verdière (1998, J. Combin. Theory, Ser. B. 74, 121–146) introduced the graph parameter n(G), which is defined as the… (More)
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2000
2000
We give necessary and sufficient geometric conditions for a distribution (or a Pfaffian system) to be locally equivalent to the… (More)
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1996
1996
Let Sg be a general prime K3 surface in IP g of genus g ≥ 3 or a general double cover of IP 2 ramified along a sextic curve for g… (More)
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1989
1989
This paper deals with a numerical approximation of a bifurcation problem with corank 2. In the neighborhood of the bifurcation… (More)
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