On coupled systems of Hammerstein integral equations View Full Text


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Article Info

DATE

2019-12

AUTHORS

Robert de Sousa, Feliz Minhós

ABSTRACT

In this paper we deal with generalized coupled systems of integral equations of Hammerstein type with nonlinearities depending on several derivatives of both variables and we underline that both equations and both variables can have a different regularity. This detail is very important as it allows for the application to, for example, boundary value problems with coupled systems composed of differential equations of different orders and distinct boundary conditions. This issue will open a new field of applications to phenomena modeled by coupled systems requiring different types of regularity for the unknown functions. The arguments follow Guo–Krasnosel’skiĭ compression–expansion theory on cones and the kernel functions are nonnegative and verifying adequate sign and growth assumptions. The dependence of the derivatives is overcome by the construction of suitable cones taking into account certain conditions of sublinearity/superlinearity at the origin and at +∞. More... »

PAGES

7

Identifiers

URI

http://scigraph.springernature.com/pub.10.1186/s13661-019-1122-3

DOI

http://dx.doi.org/10.1186/s13661-019-1122-3

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https://app.dimensions.ai/details/publication/pub.1111407583


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