Frederic Helein

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Papers (9)

1. Covariant Hamiltonian formalism for the calculus of variations with several variables: Lepage--Dedecker versus de Donder--Weyl math-ph · 2004 · author #1
2. The notion of observable in the covariant Hamiltonian formalism for the calculus of variations with several variables math-ph · 2004 · author #1
3. Removability of singularities of harmonic maps into pseudo-Riemannian manifolds math.AP · 2003 · author #1
4. Hamiltonian formalisms for multidimensional calculus of variations and perturbation theory math-ph · 2002 · author #1
5. On Konopelchenko's representation for surfaces in 4 dimensions math.DG · 2001 · author #1
6. Problemes variationnels invariants par transformation conforme en dimension 2 math.DG · 2001 · author #1
7. Hamiltonian stationary Lagrangian surfaces in Hermitian symmetric spaces math.DG · 2000 · author #1
8. Hamiltonian stationary Lagrangian surfaces in C^2 math.DG · 2000 · author #1
9. Hamiltonian formalism with several variables and quantum field theory, PartI math-ph · 2000 · author #1

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Frequent Coauthors

• Joseph Kouneiher 3 shared papers
• Pascal Romon 2 shared papers