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On the decreasing local energy of an exterior problem with many (n3) strictly convex obstacles. (Sur la décroissance d’énergie locale du problème extérieur avec plusieurs (n3) obstacles strictement convexes.) (French) Zbl 0900.35098
Séminaire de théorie spectrale et géométrie. Année 1985-1986. Chambéry: Univ. de Savoie, Fac. des Sciences, Service de Math. Sémin. Théor. Spectrale Géom., Chambéry-Grenoble. 4, 145-150 (1986).
MSC:
35J05Laplacian operator, reduced wave equation (Helmholtz equation), Poisson equation
35L05Wave equation (hyperbolic PDE)
35B40Asymptotic behavior of solutions of PDE