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Singularities in the geometry of an obstacle. (English) Zbl 0642.53087
Geometry and physics, Proc. Winter Sch., Srní/Czech. 1987, Suppl. Rend. Circ. Mat. Palermo, II. Ser. 16, 71-84 (1987).
[For the entire collection see Zbl 0634.00015.]
Using the symplectic approach the author considers the generic singularities of system of rays in the geometric theory of diffraction and investigates their analytical properties.
Reviewer: W.Mozgawa
53C80 Applications of global differential geometry to the sciences
78A45 Diffraction, scattering
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