Dikanaina Harrivel

most citedFirst integrals for non linear hyperbolic equations

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math.AP2007★ 1 cited

First integrals for non linear hyperbolic equations

Dikanaina Harrivel, Fréderic Hélein

Given a solution of a nonlinear wave equation on the flat space-time (with a real analytic nonlinearity), we relate its Cauchy data at two different times by nonlinear representati…

math.AP2004

Planar Binary Trees and Perturbative Calculus of Observables in Classical Field Theory

Dikanaina Harrivel

Consider the Klein-Gordon equation coupled with an interaction term $(□ + m^{2}) ϕ + λ ψ^{p}$ . For the linear Klein-Gordon equation, a kind of generalized Noether's theorem gives us a con…