## Set FunctionsAdd to your list(s) Download to your calendar using vCal - Leobardo Fernández (University of Birmingham)
- Wednesday 26 February 2014, 16:00-17:00
- Room R17/18, Watson building.
If you have a question about this talk, please contact José Cañizo. A continuum is a non-empty compact connected metric space. Given a continuum we define the hyperspaces: 2{X} = { A \subset X : A is closed and nonempty} C(X) = { A \in 2{X} : A is connected} 2{X} is called the hyperspace of closed nonempty subsets of X and C(X) is called the hyperspcae of subcontinua of X. The hyperspace 2{X} is topologized with the Haussdorf metric. Given a continuum, the set functions T:2{X} \to 2{X} and K:2{X} \to 2{X} are functions defined on the hyperspace 2{X} of the continuum X in the following way, for every A in 2{X}: T(A) = {x \in X : if W is a continuum containing x in its interior, then A \cap W = \nonempty } K(A) = \cap {W \in C(X) : A \subset Int(W) } Examples and properties of these set functions are going to be presented. This talk is part of the Analysis seminar series. ## This talk is included in these lists:Note that ex-directory lists are not shown. |
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