Convergence theorem for riemannian manifolds with boundary
Shigeru Kodani (1990)
Compositio Mathematica
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Displaying similar documents to “On the role of abnormal minimizers in sub-riemannian geometry”
Convergence theorem for riemannian manifolds with boundary
The Riccati differential equation with complex-valued coefficients
Miloš Ráb (1970)
Czechoslovak Mathematical Journal
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Multidimensional nonhyperbolic attractors
Marcelo Viana (1997)
Publications Mathématiques de l'IHÉS
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Balls defined by nonsmooth vector fields and the Poincaré inequality
Annamaria Montanari, Daniele Morbidelli (2004)
Annales de l’institut Fourier
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We provide a structure theorem for Carnot-Carathéodory balls defined by a family of Lipschitz continuous vector fields. From this result a proof of Poincaré inequality follows.
Exact solutions to some external mixed problems in potential theory
Valery I. Fabrikant (1986)
Aplikace matematiky
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A new and elegant procedure is proposed for the solution of mixed potential problems in a half-space with a circular line of division of boundary conditions. The approach is based on a new type of integral operators with special properties. Two general external problems are solved; i) An arbitrary potential is specified at the boundary outside a circle, and its normal derivative is zero inside; ii) An arbitrary normal derivative is given outside the circle, and be potential is zero inside....
A study of the tangent space model of the von Mises-Fisher distrubution.
A. Chakak, L. Imhali (2003)
RACSAM
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For a random rotation X = M e where M is a 3 x 3 rotation, ε is a trivariate random vector, and φ(ε) is a skew symmetric matrix, the least squares criterion consists of seeking a rotation M called the mean rotation minimizing tr[(M - E(X)) (M - E(X))]. Some conditions on the distribution of ε are set so that the least squares estimator is unbiased. Of interest is when ε is normally distributed N(0;Σ). Unbiasedness of the least squares estimator is dealt with according to eigenvalues...