Singularities of systems of rays
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Publication:3312971
DOI10.1070/RM1983v038n02ABEH003471zbMath0531.58009MaRDI QIDQ3312971
Publication date: 1983
Published in: Russian Mathematical Surveys (Search for Journal in Brave)
causticswave frontscontact structuresLagrangian and Legendre characteristic classessingularities of Lagrangian mappingssingularities of projections of submanifolds
Groups acting on specific manifolds (57S25) Applications of global differential geometry to the sciences (53C80) Dynamical aspects of finite-dimensional Hamiltonian and Lagrangian systems (37J99) Singularities of differentiable mappings in differential topology (57R45) Theory of singularities and catastrophe theory (58K99) Differentiable maps on manifolds (58C25)
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