2015
DOI: 10.1007/s11232-015-0285-z
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Differential invariants and operators of invariant differentiation of the projectable action of Lie groups

Abstract: We describe the relation between operators of invariant differentiation and invariant operators on orbits of Lie group actions. We propose a new effective method for finding differential invariants and operators of invariant differentiation and present examples.

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Cited by 3 publications
(6 citation statements)
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“…With this new approach, we can build Entropy by constructing the Casimir Function associated to the Lie group and also in case of non-null cohomology. Igor V. Shirokov [ 71 , 72 , 73 , 74 , 75 ] has proposed a method for constructing invariants of the coadjoint representation of Lie groups with an arbitrary dimension and structure based on local symplectic coordinates on the coadjoint orbits. The idea of the method of constructing coadjoint invariants is to construct the canonical transition to the Darboux coordinates on the orbits of the dual Lie algebra of maximal dimension dual to the Lie algebra of the Lie group .…”
Section: New Entropy Definition As Generalized Casimir Invariant Fmentioning
confidence: 99%
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“…With this new approach, we can build Entropy by constructing the Casimir Function associated to the Lie group and also in case of non-null cohomology. Igor V. Shirokov [ 71 , 72 , 73 , 74 , 75 ] has proposed a method for constructing invariants of the coadjoint representation of Lie groups with an arbitrary dimension and structure based on local symplectic coordinates on the coadjoint orbits. The idea of the method of constructing coadjoint invariants is to construct the canonical transition to the Darboux coordinates on the orbits of the dual Lie algebra of maximal dimension dual to the Lie algebra of the Lie group .…”
Section: New Entropy Definition As Generalized Casimir Invariant Fmentioning
confidence: 99%
“…For certain classes of Lie algebras, all invariants of the coadjoint representation are functions of polynomial ones. In physics, Hamiltonians and integrals of motion of classical integrable Hamiltonian systems are not polynomials in the momenta [ 71 , 72 , 73 , 74 , 75 , 79 , 80 , 81 , 82 , 83 , 84 , 85 , 86 , 87 , 88 , 89 , 90 , 91 , 92 ].…”
Section: New Entropy Definition As Generalized Casimir Invariant Fmentioning
confidence: 99%
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“…We construct OID as ( Φ) −1 . The completeness of corresponding system (8) implies that the function Φ( , ) can be found by the system of equations…”
Section: Second Order Equationmentioning
confidence: 99%
“…Various approaches for constructing OIDs were considered in works [2], [7], [8]. In a series of works OIDs were employed for constructing a basis of differential invariants of the admitted algebra in the problems on classification of differential equations, see, for instance, [9]- [11].…”
Section: Introductionmentioning
confidence: 99%