Approach Space

Approach Space

In topology, approach spaces are a generalization of metric spaces, based on point-to-set distances, instead of point-to-point distances. They were introduced by Robert Lowen in 1989.

Read more about Approach Space:  Definition, Examples, Equivalent Definitions, Categorical Properties

Famous quotes containing the words approach and/or space:

    A novel which survives, which withstands and outlives time, does do something more than merely survive. It does not stand still. It accumulates round itself the understanding of all these persons who bring to it something of their own. It acquires associations, it becomes a form of experience in itself, so that two people who meet can often make friends, find an approach to each other, because of this one great common experience they have had ...
    Elizabeth Bowen (1899–1973)

    The flattering, if arbitrary, label, First Lady of the Theatre, takes its toll. The demands are great, not only in energy but eventually in dramatic focus. It is difficult, if not impossible, for a star to occupy an inch of space without bursting seams, cramping everyone else’s style and unbalancing a play. No matter how self-effacing a famous player may be, he makes an entrance as a casual neighbor and the audience interest shifts to the house next door.
    Helen Hayes (1900–1993)