Cluster Point

Some articles on cluster point, point:

Filter (mathematics) - Filter On A Set - Filters in Topology - Cauchy Filters
... Moreover, every cluster point of a Cauchy filter is a limit point ... space is complete on a compact space each filter has a cluster point, and if the filter is Cauchy, such a cluster point is a limit point ...
Sierpiński Space - Topological Properties - Convergence
... Every sequence in S converges to the point 0 ... The point 1 is a cluster point of a sequence in S if and only if the sequence contains infinitely many 1's ... Examples 1 is not a cluster point of (0,0,0,0,…) ...

Famous quotes containing the words point and/or cluster:

    “There’s a point of poverty at which the spirit isn’t with the body all the time. It finds the body really too unbearable. So it’s almost as if you were talking to the soul itself. And a soul’s not properly responsible.”
    —Louis-Ferdinand Céline (1894–1961)

    “In a sense the world dies every time a writer dies, because, if he is any good, he has been a wet nurse to humanity during his entire existence and has held earth close around him, like the little obstetrical toad that goes about with a cluster of eggs attached to his legs.”
    —E.B. (Elwyn Brooks)