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:
“It occurred to me that there was no difference between men, in intelligence or race, so profound as the difference between the sick and the well.”
—F. Scott Fitzgerald (1896–1940)
“I set out as a sort of self-dependent politician. My opinions were my own. I dashed at all prejudices. I scorned to follow anybody in matter of opinion.... All were, therefore, offended at my presumption, as they deemed it.”
—William Cobbett (1762–1835)