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Zbl 1180.35171
van der Walt, Jan Harm
The completion of uniform convergence spaces and an application to nonlinear PDEs. (English)
[J] Quaest. Math. 32, No. 3, 371-395 (2009). ISSN 1607-3606; ISSN 1927-933X/e

Summary: This paper deals with the solution of large classes of systems of nonlinear partial differential equations (PDEs) in spaces of generalized functions that are constructed as the completion of uniform convergence spaces. The existence result for the mentioned systems of equations are obtained as an application of a basic approximation result, which is formulated entirely in terms of usual real valued functions on open subsets of Euclidean $n$-space. The structure and regularity properties of the solutions are explained in terms of suitable results relating to the structure of the completion of uniform convergence spaces that are defined as initial structures. In this regard, we include also a detailed discussion of the completion of initial uniform convergence spaces in general.

MSC 2000:: *35G50
54E15 Uniform structures and generalizations
54A20 Convergence in general topology
06F30 Order topologies (order-theoretic aspects)
35A01

Keywords: uniform convergence spaces; nonlinear partial differential equations; structure and regularity properties

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