Multifunction fixed point theory and its application to an initial-value program

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dc.contributor.advisorWiginton, Lamar C.
dc.contributor.advisorYounglove, James N.
dc.contributor.committeeMemberO'Malley, Matthew Joseph
dc.contributor.committeeMemberVobach, Arnold R.
dc.contributor.committeeMemberRamanathan, Jayashree
dc.creatorSchmidt, Ron Lee
dc.date.accessioned2021-12-23T19:56:56Z
dc.date.available2021-12-23T19:56:56Z
dc.date.issued1978
dc.description.abstractIn this dissertation the primary concern is with showing the existence of a solution to the initial-value problem x(t) [epsilon] F(t,x(t)) x(0) = x[lowered o]. The function x is once-differentiable on a closed interval of real numbers having left endpoint zero into a Banach space. The multifunction F maps the cross product of the interval with the Banach space into the Banach space and x[lowered o] is in the Banach space. The initial-value problem is transposed, using the Bochner integral, into a multifunction fixed point problem in the space of continuous functions on the interval into the Banach space. Several multifunction fixed point theorems are obtained in solving the transposed problem. Each of these results is dependent, either directly or indirectly, on the multifunction being condensing with respect to a measure of non-compactness. As a result, both the concept of a measure of non-compactness and the concept of a condensing multifunction are treated. In addition, the idea of a monotone multifunction is developed and a role found for it in the fixed point theory. Finally, the topological structure of the solution set to the initial-value problem is investigated.
dc.description.departmentMathematics, Department of
dc.format.digitalOriginreformatted digital
dc.format.mimetypeapplication/pdf
dc.identifier.other4358536
dc.identifier.urihttps://hdl.handle.net/10657/8438
dc.language.isoen
dc.rightsThis item is protected by copyright but is made available here under a claim of fair use (17 U.S.C. §107) for non-profit research and educational purposes. Users of this work assume the responsibility for determining copyright status prior to reusing, publishing, or reproducing this item for purposes other than what is allowed by fair use or other copyright exemptions. Any reuse of this item in excess of fair use or other copyright exemptions requires express permission of the copyright holder.
dc.titleMultifunction fixed point theory and its application to an initial-value program
dc.type.dcmiText
dc.type.genreThesis
thesis.degree.collegeCollege of Natural Sciences and Mathematics
thesis.degree.departmentMathematics, Department of
thesis.degree.disciplineMathematics
thesis.degree.grantorUniversity of Houston
thesis.degree.levelDoctoral
thesis.degree.nameDoctor of Philosophy

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