A fixed point theorem for measurable selection valued correspondences induced by upper Caratheodory correspondences
Fu, Jing; and Page, Frank
(2022)
A fixed point theorem for measurable selection valued correspondences induced by upper Caratheodory correspondences
[Working paper]
We show that any measurable selection valued correspondence induced by the composition of an m-tuple of real-valued Caratheodory functions with an upper Caratheodory (uC) correspondence has fixed points if the underlying uC correspondence in the composition contains a continuum valued uC sub-correspondence. Moreover, this composition of the m-tuple of real-valued Caratheodory functions with the continuum valued uC sub-correspondence induces a measurable selection valued sub-correspondence that is weak star upper semicontinuous.
| Item Type | Working paper |
|---|---|
| Keywords | m-tuples of Caratheodory functions,upper Caratheodory correspondences,continuum valued upper Caratheodory sub-correspondences,approximate Caratheodory selections,fixed points of nonconvex, measurable selection valued correspondences induced by the composition of an m-tuple of Caratheodory functions with a continuum valued upper Caratheodory sub-correspondence |
| Departments | Systemic Risk Centre |
| Date Deposited | 04 Jul 2023 08:18 |
| URI | https://researchonline.lse.ac.uk/id/eprint/119623 |
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