(mathematics) A point, within an object or figure, through which any straight line also passes through two points on the edge of the figure at the same distance from the centre but on opposite sides.

A condition in which all relevant information is known to all parties involved. For example, in the stock market, stock information has a full public disclosure, and all investors are in the same position to share information.

US spelling of centre of symmetry

plural of symmetry group

(mathematics, geometry, algebra) A group whose elements are all the transformations under which a given object remains invariant and whose group operation is function composition.

plural of axis of symmetry

plural of center of symmetry

plural of centre of symmetry

(algebraic geometry, theoretical physics) A relationship between Calabi-Yau manifolds where two such manifolds look very different geometrically but are nevertheless equivalent when employed as extra dimensions of string theory.

When being turned through a full revolution, the number of times a shape looks the same as in the initial orientation.