Difference Set

In combinatorics, a difference set is a subset of a group such that the order of is, the size of is, and every nonidentity element of can be expressed as a product of elements of in exactly ways.

Read more about Difference Set:  Basic Facts, Multipliers, Parameters, Known Difference Sets, Application, Generalisations

Famous quotes containing the words difference and/or set:

    The only difference between a caprice and a life-long passion is that the caprice lasts a little longer.
    Oscar Wilde (1854–1900)

    Speak of me as I am. Nothing extenuate,
    Nor set down aught in malice.
    William Shakespeare (1564–1616)