Differential Forms, Cycles and Hodge Theory on Complex Analytic Spaces -- On Exact Solutions of Linear PDEs -- Necessary Conditions for Hyperbolic Systems -- Monodromy of the Ramified Cauchy Problem -- Nonlinear Stability of an Expanding Universe with S1Isometry Group -- On the Cauchy Problem for a Weakly Hyperbolic Operator: An Intermediate Case between Effective Hyperbolicy and Levi Condition -- Symplectic Path Intersections and the Leray Index -- A Global CauchyโKowalewski Theorem in Some Gevrey Classes -- Sub-Riemannian Geometry and Subelliptic PDEs -- On the Analytic Continuation of the Solution of the Cauchy Problem -- Strong Gevrey Solvability for a System of Linear Partial Differential Equations -- Spherically Symmetric Solutions of the Compressible Euler Equation -- Hyperbolic Cauchy Problem Well Posed in the Class of Gevrey -- Absence of Eigenvalues of Dirac Type Operators -- The Behaviors of Singular Solutions of Partial Differential Equations in Some Class in the Complex Domain -- Systรจmes Uniformรฉment Diagonalisables, Dimension Rรฉduite et Symรฉtrie II -- On Hypoellipticity of the Operator exp $$ \left[ { - {{\left| {{x_1}} \right|}̂{ - \delta }}} \right]D_1̂2 + x_1̂4D_2̂2 + 1 $$

1. Mathematics
2. Partial differential equations
3. Functions of complex variables
4. Physics
5. Mathematics
6. Partial Differential Equations
7. Several Complex Variables and Analytic Spaces
8. Theoretical
9. Mathematical and Computational Physics