5 citations · 12 across the 3 of their papers we have counts for
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hep-th1993
The Canonical Symmetry and Hamiltonian Formalism. II. Hamiltonian Operators
A. N. Leznov, A. V. Razumov
It is shown how the canonical symmetry is used to look for the hierarchy of the Hamiltonian operators relevant to the system under consideration. It appears that only the invarianc…
hep-th1993
The Canonical Symmetry and Hamiltonian Formalism. I. Conservation Laws
A. N. Leznov, A. V. Razumov
The properties of the canonical symmetry of the nonlinear Schrödinger equation are investigated. The densities of the local conservation laws for this system are shown to change un…