Direct Product Of Groups
In the mathematical field of group theory, the direct product is an operation that takes two groups G and H and constructs a new group, usually denoted G × H. This operation is the group-theoretic analogue of the Cartesian product of sets, and is one of several important notions of direct product in mathematics.
In the context of abelian groups, the direct product is sometimes referred to as the direct sum, and is denoted G ⊕ H. Direct sums play an important role in the classification of abelian groups: according to fundamental theorem of finite abelian groups, every finite abelian group can be expressed as the direct sum of cyclic groups.
Read more about Direct Product Of Groups: Definition, Examples, Elementary Properties, Algebraic Structure
Famous quotes containing the words direct, product and/or groups:
“He had robbed the body of its taint, the worlds taunts of their sting; he had shown her the holiness of direct desire.”
—E.M. (Edward Morgan)
“[The political mind] is a strange mixture of vanity and timidity, of an obsequious attitude at one time and a delusion of grandeur at another time. The political mind is the product of men in public life who have been twice spoiled. They have been spoiled with praise and they have been spoiled with abuse.”
—Calvin Coolidge (18721933)
“Only the groups which exclude us have magic.”
—Mason Cooley (b. 1927)