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Characteristic classes of Lagrange and Legendre manifolds dual to the singularities of the caustics and wave fronts. (Russian) Zbl 0493.57008

MSC:
57R20 Characteristic classes and numbers in differential topology
57R85 Equivariant cobordism
53C15 General geometric structures on manifolds (almost complex, almost product structures, etc.)
58E99 Variational problems in infinite-dimensional spaces
58C25 Differentiable maps on manifolds
58K99 Theory of singularities and catastrophe theory
58K35 Catastrophe theory
Citations:
Zbl 0448.57017
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