FERAPONTOV, E.V., PAVLOV, M.V. and VITOLO, R.F., 2018. Systems of conservation laws with third-order Hamiltonian structures. Letters in Mathematical Physics, In Press.
We investigate n-component systems of conservation laws that possess third-order Hamiltonian structures of differential-geometric type. The classiffication of such systems is reduced to the projective classiffication of linear congruences of lines in Pn+2 satisfying additional geometric constraints. Algebraically, the problem can be reformulated as follows: for a vector space W of dimension n + 2, classify n-tuples of skew-symmetric 2-forms Aα ∈ 2 Λ2(W) such that
for some non-degenerate symmetric φ.
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This work was supported by the GNFM of the Istituto Nazionale di Alta Matematica, the Is-
tituto Nazionale di Fisica Nucleare by IS-CSN4 Mathematical Methods of Nonlinear Physics, and the Dipartimento di Matematica e Fisica “E. De Giorgi” of the Universit`a del Salento. MVP’s work was partially supported by the grant of the Presidium of RAS ‘Fundamental Problems of Nonlinear Dynamics’.