
handle: 11441/142571
In this document, we present the notion of ultrafilter and study some of its properties and applications. Firstly, the manuscript begins with a general study of filters and ultrafilters, and compare them with some other more broadly extended mathematical concepts such as topology or nets. Next, ultrafilters are applied as relevant tools in some other areas of Mathematics, such as Analysis or Combinatorics. The last chapter consists of an application of ultrafilters to Social Sciencies and more particularly to the Arrow’s Imposibility Theorem.
Universidad de Sevilla. Máster Universitario en Matemáticas
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