A local existence theorem for a class of delay differential equations

Ioan I. Vrabie

DOI: http://dx.doi.org/10.12775/TMNA.2016.023

Abstract


The goal of this paper is to show that some classes of partial differential functional equations admit a natural formulation as ordinary functional differential equations in infinite dimensional Banach spaces. Moreover, the equations thus obtained are driven by continuous right-hand sides satisfying the compactness assumptions required by the infinite-dimensional version of a Peano-like existence theorem. Two applications, one to a semilinear wave equation with delay and another one to a pseudoparabolic PDE in Mechanics, are included.

Keywords


Delay differential equations; local existence; metric fixed point arguments; topological fixed point arguments; semilinear wave equation; pseudoparabolic equation

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