Smooth Structure

In mathematics, a smooth structure on a manifold allows for an unambiguous notion of smooth function. In particular, a smooth structure allows one to perform mathematical analysis on the manifold.

Read more about Smooth Structure:  Definition, Maximal Smooth Atlases, Equivalence of Smooth Structures, Exotic Spheres, Related Structures

Famous quotes containing the words smooth and/or structure:

    Beautiful women seldom want to act. They are afraid of emotion and they do not try to extract anything from a character that they are portraying, because in expressing emotion they may encourage crow’s feet and laughing wrinkles. They avoid anything that will disturb their placidity of countenance, for placidity of countenance insures a smooth skin.
    Laurette Taylor (1887–1946)

    ... the structure of our public morality crashed to earth. Above its grave a tombstone read, “Be tolerant—even of evil.” Logically the next step would be to say to our commonwealth’s criminals, “I disagree that it’s all right to rob and murder, but naturally I respect your opinion.” Tolerance is only complacence when it makes no distinction between right and wrong.
    Sarah Patton Boyle, U.S. civil rights activist and author. The Desegregated Heart, part 2, ch. 2 (1962)