Incidence Algebra

In order theory, a field of mathematics, an incidence algebra is an associative algebra, defined for any locally finite partially ordered set and commutative ring with unity.

Read more about Incidence Algebra:  Definition, Special Elements, Examples, Euler Characteristic, Reduced Incidence Algebras

Famous quotes containing the words incidence and/or algebra:

    Hermann Goering, Joachim von Ribbentrop, Albert Speer, Walther Frank, Julius Streicher and Robert Ley did pass under my inspection and interrogation in 1945 but they only proved that National Socialism was a gangster interlude at a rather low order of mental capacity and with a surprisingly high incidence of alcoholism.
    John Kenneth Galbraith (b. 1908)

    Poetry has become the higher algebra of metaphors.
    José Ortega Y Gasset (1883–1955)