abstract:In mathematics, a ringed space is, intuitively speaking, a space together with a collection of commutative rings, the elements of which are "functions" on each open set of the space. Ringed spaces appear throughout analysis and are also used to define the schemes of algebraic geometry.
Untilthis weekSaturn's smallmoon Rheawasthe onlyknownsolidspaceobjectthought to have a ring. (Otherknownringed bodies, such asSaturn, are mainly gaseous.)
The New Amsterdam Room, originally the men's smoking retreat, is a marvelous elliptical spaceringed with rotund plaster columns resembling gray Caen stone, and murals of New York from Dutch days to 1900.