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differential operators

Symmetries of modules of differential operators

Symmetries of modules of differential operators

... invariant differential operators and most of them are of a great ...invariant differential operators on tensor fields were classified by Grozman ...such operators is, in a way, very ...

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Explicit degree bounds for right factors of linear differential operators

Explicit degree bounds for right factors of linear differential operators

... may have no common element with Sing(L). Because of this, the main difficulty in the method presented below is to bound the number of apparent singularities of a right factor of L. We split the proof of the theorem into ...

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Differential operators on G/U and the affine Grassmannian

Differential operators on G/U and the affine Grassmannian

... 1.8. As applications of our constructions we give new proofs of two results: a geometric descrip- tion of the Brylinski–Kostant filtration due to the first author (see [G1]), and a geometric construc- tion of the ...

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Duality for Differential Operators of Lie-Rinehart Algebras

Duality for Differential Operators of Lie-Rinehart Algebras

... References 37 Introduction Rinehart introduced in [Rin63] the concept of Lie-Rinehart algebra (S, L) over a commutative ring R and defined its enveloping algebra U . This generalises both constructions of universal ...

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Products of Ordinary Differential Operators by Evaluation and Interpolation

Products of Ordinary Differential Operators by Evaluation and Interpolation

... of differential operators are equiv- alent computational problems—that is, they share the same exponent, thus answering the question left open in [ 11 , §6, Remark ...two differential ...

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Differential operators on domains with conical points: precise uniform regularity estimates

Differential operators on domains with conical points: precise uniform regularity estimates

... POINTS: PRECISE UNIFORM REGULARITY ESTIMATES CONSTANTIN B ˘ ACUT ¸ ˘ A, HENGGUANG LI, AND VICTOR NISTOR May 24, 2016 Abstract. We study families of strongly elliptic, second order differential operators ...

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Self-adjoint extensions of differential operators on Riemannian manifolds

Self-adjoint extensions of differential operators on Riemannian manifolds

... [19] G¨ uneysu, B., Post, O.: Path integrals and the essential self-adjointness of differential operators on noncom- pact manifolds. Math. Z. 275 (2013) 331-348 [20] Kato, T.: Perturbation Theory for Linear ...

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Exact splitting methods for semigroups generated by inhomogeneous quadratic differential operators

Exact splitting methods for semigroups generated by inhomogeneous quadratic differential operators

... evolution operators gen- erated by non-autonomous inhomogeneous quadratic differential operators (like it is done for the non-autonomous linear magnetic Schrödinger equations in [ 5 ...ordinary ...

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Weighted Traces on Algebras of Pseudo-Differential Operators and Geometry of Loop Groups

Weighted Traces on Algebras of Pseudo-Differential Operators and Geometry of Loop Groups

... on operators in P DO(M, E) with order in α 0 + ZZ where α 0 is some non integer complex number called the canonical ...pseudo-differential operators which we call ”weighted traces” and to study some ...

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The action of pseudo-differential operators on functions harmonic outside a smooth hyper-surface.

The action of pseudo-differential operators on functions harmonic outside a smooth hyper-surface.

... pseudo-differential operators on the space H of L 2 functions which are harmonic outside a smooth closed hyper-surface Z of a compact Riemannian manifold without boundary (X, g) and whose traces from both ...

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Computing Polynomial Solutions and Annihilators of Integro-Differential Operators with Polynomial Coefficients

Computing Polynomial Solutions and Annihilators of Integro-Differential Operators with Polynomial Coefficients

... integro-differential operators with polynomial ...integro-differential operators, which, in turn, is related to the computa- tion of polynomial solutions of such ...linear operators ...

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Exhaustive generation of atomic combinatorial differential operators

Exhaustive generation of atomic combinatorial differential operators

... combinatorial differential operators Generating all atomic differential operators A few more definitions Let g ∈ S m and s ⊆ {1, 2, ...

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Exhaustive generation of atomic combinatorial differential operators

Exhaustive generation of atomic combinatorial differential operators

... atomic operators to study the effect of general combinatorial differential operators on ...atomic operators X m D n /H, for m and n ...

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Around supersymmetry for semiclassical second order differential operators

Around supersymmetry for semiclassical second order differential operators

... some differential operators depending on a small parameter (that we shall denote by h ...Schr¨odinger operators, geometric assumptions on the potential leads to sharp computation of the splitting ...

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PROJECTIVE STRUCTURE ON RIEMANN SURFACE AND NATURAL DIFFERENTIAL OPERATORS

PROJECTIVE STRUCTURE ON RIEMANN SURFACE AND NATURAL DIFFERENTIAL OPERATORS

... NATURAL DIFFERENTIAL OPERATORS INDRANIL BISWAS AND SORIN DUMITRESCU ...holomorphic differential operators on a Riemann sur- face M ...holomorphic differential operators from E ⊗ ...

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Noncommutative ribbons and quasi-differential operators

Noncommutative ribbons and quasi-differential operators

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...

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Differential operators admitting various rates of spectral projection growth

Differential operators admitting various rates of spectral projection growth

... 4.2. Existence of an Abel basis with brackets. Finally, we also compare our operators with q(x) = |x| β , β ≥ 2, and p obeying (3.26) in Section 3 with the main theorem in [4], which provides sufficient ...

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Basic Morphological Operators Applied on Partitions

Basic Morphological Operators Applied on Partitions

... The second approach is totally the opposite. Indeed, when a partition is available, it is very interesting to have the capability to apply basic operators to each cell of the partition as if it was alone and not ...

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How disruptive are disruptive operators?

How disruptive are disruptive operators?

... other operators were initially offering post-paid subscription with a given number of minutes of use per ...Telecom operators and other firms have been led to reduce costs by rationalizing the distribution ...

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Homogenization of Elliptic Difference Operators

Homogenization of Elliptic Difference Operators

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...

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