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nlin.SI2004★ 25 cited
Some symmetry classifications of hyperbolic vector evolution equations
Stephen C. Anco, Thomas Wolf
Motivated by recent work on integrable flows of curves and 1+1 dimensional sigma models, several O(N)-invariant classes of hyperbolic equations for an -co…
nlin.SI2004★ 22 cited
Integrable quadratic Hamiltonians on so(4) and so(3,1)
Vladimir V Sokolov, Thomas Wolf
We investigate a special class of quadratic Hamiltonians on so(4) and so(3,1) and describe Hamiltonians that have additional polynomial integrals. One of the main results is a new…