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Lagrange manifolds with singularities, asymptotic rays, and an open swallowtail. (Russian) Zbl 0484.58008


MSC:

58C25 Differentiable maps on manifolds
58K99 Theory of singularities and catastrophe theory
37J99 Dynamical aspects of finite-dimensional Hamiltonian and Lagrangian systems
70H99 Hamiltonian and Lagrangian mechanics
57R45 Singularities of differentiable mappings in differential topology
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