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Topology
branch of mathematics / From Wikipedia, the free encyclopedia
Topology is an area of mathematics, which studies how spaces are organized and how they are structured in terms of position. It also studies how spaces are connected. It is divided into algebraic topology, differential topology and geometric topology.
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Topology has been called rubber-sheet geometry. In a topology of two dimensions there is no difference between a circle and a square. A circle made out of a rubber band can be stretched into a square. There is a difference between a circle and a figure eight. A figure eight cannot be stretched into a circle without tearing.
The spaces studied in topology are called topological spaces. They vary from familiar manifolds to some very exotic constructions.