(computing) A network topology in which, in the physical case, every node of a network is connected to exactly two other nodes: one node designated as upstream and the other as downstream. A given node receives data from its upstream node and sends data to its downstream node.

(topology, formally) An ordered pair (X, τ), where X is a set and τ, called the topology, is a collection of subsets of X which satisfies certain axioms and whose elements are called the open sets (or alternatively, for a different set of axioms, the closed sets);

(topology) A topology on a set consisting of all subsets of that set.

plural of topological insulator

a material which conducts electrons only along its edges and surfaces, but does not conduct in its interior

plural of link topology

plural of bus topology

(mathematics) The branch of mathematics that uses tools from abstract algebra to study topological spaces.

(mathematics) An approach to topology that avoids mentioning points.

plural of Alexandrov topology