Partial differential equations and mathematical physics. In memory of Jean Leray (Q1856328)

The articles of this volume will be reviewed individually. Indexed articles: \textit{Ancona, Vincenzo; Gaveau, Bernard}, Differential forms, cycles and Hodge theory on complex analytic spaces, 1-11 [Zbl 1071.58001] \textit{Beals, Richard}, On exact solutions of linear PDEs, 13-29 [Zbl 1065.35086] \textit{Bove, Antonio; Nishitani, Tatsuo}, Necessary conditions for hyperbolic systems, 31-49 [Zbl 1062.35037] \textit{Camales, Renaud; Wagschal, Claude}, Monodromy of the ramified Cauchy problem, 51-56 [Zbl 1068.35006] \textit{Choquet-Bruhat, Yvonne; Moncrief, Vincent}, Nonlinear stability of an expanding universe with the \(S^1\) isometry group, 57-71 [Zbl 1062.35149] \textit{Colombini, Ferruccio; di Flaviano, Mariagrazia; Nishitani, Tatsuo}, On the Cauchy problem for a weakly hyperbolic operator: an intermediate case between effective hyperbolicity and Levi condition, 73-83 [Zbl 1068.35059] \textit{de Gosson, Maurice; de Gosson, Serge}, Symplectic path intersections and the Leray index, 85-96 [Zbl 1074.53068] \textit{Gourdin, Daniel; Mechab, Mustapha}, A global Cauchy-Kowalewski theorem in some Gevrey classes, 97-104 [Zbl 1065.35007] \textit{Greiner, Peter C.}, Sub-Riemannian geometry and subelliptic PDEs, 105-110 [Zbl 1063.35061] \textit{Hamada, Yûsaku}, On the analytic continuation of the solution of the Cauchy problem, 111-119 [Zbl 1067.35020] \textit{Kajitani, Kunihiko; Spagnolo, Sergio}, Strong Gevrey solvability for a system of linear partial differential equations, 121-141 [Zbl 1062.35038] \textit{Mizohata, Kiyoshi}, Spherically symmetric solutions of the compressible Euler equation, 143-150 [Zbl 1062.35087] \textit{Ohya, Yujiro}, Hyperbolic Cauchy problem well posed in the class of Gevrey, 151-156 [Zbl 1060.35520] \textit{Ōkaji, Takashi}, Absence of eigenvalues of Dirac type operators, 157-176 [Zbl 1083.35071] \textit{Ōuchi, Sunao}, The behaviors of singular solutions of partial differential equations in some class in the complex domain, 177-194 [Zbl 1061.35007] \textit{Vaillant, Jean}, Uniformly diagonalizable systems, reduced dimension and symmetry. II, 195-223 [Zbl 1061.35047] \textit{Wakabayashi, Seiichiro; Nakazawa, Nobuo}, On hypoellipticity of the operator \(\exp [-|x_1|^{-\sigma}] D_1^2+ x_1^4 D_2^2+1\), 225-238 [Zbl 1068.35032]