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Infinite interval problems modeling phenomena which arise in the theory of plasma and electrical potential theory. (English) Zbl 1141.34313
Summary: An upper and lower solution approach is presented for boundary value problems on the infinite interval. In particular, our theory includes a discussion of a problem which arises in the study of plasma physics, and a problem which arises in determining the electrical potential in an isolated neutral atom.

34B40 Boundary value problems on infinite intervals for ordinary differential equations
34B15 Nonlinear boundary value problems for ordinary differential equations
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