Abstract
The following classes of weak solutions of hyperbolic functional differential problems are considered in literature. Mixed problems for almost linear systems in two independent variables were considered in [167], see also [102]. A continuous function is a solution of a mixed problem if it satisfies integral functional system arising from functional differential system by integrating along bicharacteristics. The paper [167] initiated investigations of first order functional differential equations. Existence theorems and differential inequalities generated by almost linear functional differential problems can be found in [42, 107, 123]. Distributional solutions of almost linear problems were considered in [204]. The method used in this paper is constructive, it is based on a difference scheme. Barbashin type functional differential problems are discussed in [102].
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© 1999 Springer Science+Business Media Dordrecht
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Kamont, Z. (1999). Generalized Solutions. In: Hyperbolic Functional Differential Inequalities and Applications. Mathematics and Its Applications, vol 486. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4635-7_7
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DOI: https://doi.org/10.1007/978-94-011-4635-7_7
Publisher Name: Springer, Dordrecht
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