The Brouwer Fixed Point Theorem is one of the most elegant results in topology, for it implies that a large number of real and abstract processes have fixed points without referring to quantitative details.
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Topology is one the most important and interesting subjects in mathematics. Since topology is is hardly taught at school, I thought I'd make some lessons about it. The material is accessible to everybody, and will hopefully be educational for children and adults alike. Some of these problems are great for expanding the mind and practicing visualization.