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math.DS2001
A class of Lorenz-type systems, their factorizations and extensions
I. Kunin, A. Runov
It is well known that the Lorenz system has -symmetry. Using introducted in math.DS/0105147 topological covering-coloring a new representation for the Lorenz system is obtaine…
math.DS2001
Global angle-action variables for Duffing system
I. Kunin, A. Runov
The classical representation of Hamiltonian systems in terms of action-angle variables are defined for simply connected domains such as an interior of a homoclinic orbit. On this b…