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CDC
2009
IEEE
143views Control Systems» more  CDC 2009»
14 years 1 months ago
Extended nonlinear observable canonical form for multi-output dynamical systems
— In this paper, we give sufficient conditions which guarantee the existence of a diffeomorphism in an extended state space that allows to transform a multi-output nonlinear dyn...
Driss Boutat, Krishna Busawon
APAL
2010
90views more  APAL 2010»
13 years 10 months ago
Canonical extensions for congruential logics with the deduction theorem
We introduce a new and general notion of canonical extension for algebras in the algebraic counterpart AlgS of any finitary and congruential logic S. This definition is logic-base...
Mai Gehrke, Ramon Jansana, Alessandra Palmigiano
CAIP
2005
Springer
260views Image Analysis» more  CAIP 2005»
14 years 3 months ago
An Illumination Invariant Face Recognition Approach Using Exemplar-Based Synthesis Technique
Abstract. This paper proposes a new method to solve the problem of face recognition under varying illumination conditions. We introduce an exemplar-based technique to decouple and ...
Tele Tan, Thorsten Kühnapfel, Amelyn Wongso, ...
FSTTCS
2008
Springer
13 years 11 months ago
3-connected Planar Graph Isomorphism is in Log-space
We consider the isomorphism and canonization problem for 3-connected planar graphs. The problem was known to be L -hard and in UL ∩ coUL [TW08]. In this paper, we give a determin...
Samir Datta, Nutan Limaye, Prajakta Nimbhorkar