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Delta operator

Known as: Shift-equivariance, Shift-equivariant 
In mathematics, a delta operator is a shift-equivariant linear operator on the vector space of polynomials in a variable over a field that reduces… 
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Papers overview

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2012
2012
We construct a deformed Morse complex computing the equivariant cohomology of a manifold M endowed with a smooth S^1-action. The… 
2010
2010
We describe the equivariant cobordism ring of smooth toric varieties. This equivariant description is used to compute the… 
2010
2010
We show that the conformal blocks constructed in the previous article by the first and the third author may be described as… 
2008
2008
Let $\Lie{g}$ be a simple complex Lie algebra and $\Lie{h}$ a Cartan subalgebra. In this article we explain how to obtain the… 
Highly Cited
2005
Highly Cited
2005
The performances of the P+Resonant controller in case of current control for a single phase grid connected inverter have been… 
2003
2003
Robust filtering for the delta operator formulated linear uncertain discrete time systems with error variance constraints is… 
1999
1999
A natural problem in algebraic geometry is the formation of quotients. This is particularly important in the theory of moduli… 
1993
1993
The definition of observables within conventional gauge theories is settled by general consensus. Within cohomological theories… 
1993
1993
The authors investigate how the delta operator can be used in adaptive signal processing and its numerical advantages in… 
1991
1991
On utilise la methode des symboles de Delaney pour classifier a l’aide de I’ordinateur, a homeomorphisme equivariant pres, tous…