topology

The branch of mathematics dealing with those properties of a geometrical object (of arbitrary dimensionality) that are unchanged by continuous deformations (such as stretching, bending, etc., without tearing or gluing)

Any collection τ of subsets of a given set X that contains both the empty set and X, and which is closed under finitary intersections and arbitrary unionsредкое

The anatomical structure of part of the bodyредкое

The arrangement of nodes in a communications networkредкое

The properties of a particular technological embodiment that are not affected by differences in the physical layout or form of its applicationредкое

The topographical study of geographic locations or given places in relation to their historyредкое

The art of, or method for, assisting the memory by associating the thing or subject to be remembered with some placeредкое