2019
DOI: 10.15673/tmgc.v11i4.1305
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On the integrability problem for systems of partial differential equations in one unknown function, I

Abstract: We discuss the integration problem for systems of partial differential equations in one unknown function and special attention is given to the first order systems. The Grassmannian contact structures are the basic setting for our discussion and the major part of our considerations inquires on the nature of the Cauchy characteristics in view of obtaining the necessary criteria that assure the existence of solutions. In all the practical applications of partial differential equations, what is mostly needed and w… Show more

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Cited by 2 publications
(6 citation statements)
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“…Consequently the gender of P is at most equal to 1 contradicting the initial hypothesis. We infer that χ and ω 1 are dependent and that the relation [18,Eq. (6.2)] reduces to…”
Section: Integration Of Pfaffian Systems With Character Equal To Onementioning
confidence: 83%
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“…Consequently the gender of P is at most equal to 1 contradicting the initial hypothesis. We infer that χ and ω 1 are dependent and that the relation [18,Eq. (6.2)] reduces to…”
Section: Integration Of Pfaffian Systems With Character Equal To Onementioning
confidence: 83%
“…We next recall, cf. Part I, [18], that a Lie vector field ξ with hamiltonian f is an infinitesimal automorphism of ω if and only if the function f is a first integral of ∆. Such a vector field ξ preserving ω will also preserve dω, thereafter preserving as well the characteristic system of dω.…”
Section: Bracketsmentioning
confidence: 99%
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