Main Page | See live article | Alphabetical index In mathematics, the term connected is used for: a certain class of topological spaces (see connected space) a certain class of graphs and digraphs (see graph theory) In differential geometry, a connection is a locally-defined structure used in the study of parallel transport, curvature, and covariant differentiation. This is a disambiguation page; that is, one that just points to other pages that might otherwise have the same name. If you followed a link here, you might want to go back and fix that link to point to the appropriate specific page. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.