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» Characterizing zero-derivative points
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JSYML
2002
40views more  JSYML 2002»
13 years 7 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»
13 years 7 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»
13 years 7 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»
13 years 7 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
14 years 1 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...