Geometry - the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.
Topology - is concerned with the properties of a geometric object that are preserved under continuous deformations, such as stretching, twisting, crumpling and bending, but not tearing or gluing.
Number theory - is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
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Geometry - the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.
Topology - is concerned with the properties of a geometric object that are preserved under continuous deformations, such as stretching, twisting, crumpling and bending, but not tearing or gluing.
Number theory - is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.