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» Characterizing zero-derivative points
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JSYML
2002
40views more  JSYML 2002»
14 years 11 months ago
Forcing and Stable Ordered-Union Ultrafilters
We investigate the effect of a variant of Matet forcing on ultrafilters in the ground model and give a characterization of those P
Todd Eisworth
APAL
2010
79views more  APAL 2010»
14 years 12 months ago
On lovely pairs of geometric structures
We study the theory of lovely pairs of geometric structures, in particular o-minimal structures. We characterize "linear" theories in terms of properties of the correspon...
Alexander Berenstein, Evgueni Vassiliev
APPML
2008
77views more  APPML 2008»
14 years 12 months ago
Antipodality in convex cones and distance to unpointedness
We provide a complete answer to the problem which consists in finding an unpointed convex cone lying at minimal bounded Pompeiu-Hausdorff distance from a pointed one. We give also...
Alfredo N. Iusem, Alberto Seeger
ADCM
2004
58views more  ADCM 2004»
14 years 11 months ago
Classification of Bivariate Configurations with Simple Lagrange Interpolation Formulae
In 1977 Chung and Yao introduced a geometric characterization in multivariate interpolation in order to identify distributions of points such that the Lagrange functions are produc...
Jesús M. Carnicer, Mariano Gasca
WIRN
2005
Springer
15 years 5 months ago
An Automatic Feature Based Face Authentication System,
Abstract. In this paper a fully automatic face verification system is presented. A face is characterized by a vector (jet) of coefficients determined applying a bank of Gabor fil...
Stefano Arca, Paola Campadelli, Elena Casiraghi, R...