Integral Domain Meaning In English
This means it is also a commutative ring with identity.
Integral domain meaning in english. An integral domain is a commutative ring with identity in which for every non zero element r the function that maps every element x of the ring to the product xr is injective. Such an integral is the lebesgue integral that exploits the following fact to enlarge the class of integrable functions. Integral domain definition is a mathematical ring in which multiplication is commutative which has a multiplicative identity element and which contains no pair of nonzero elements whose product is zero. Integral domain synonyms integral domain pronunciation integral domain translation english dictionary definition of integral domain.
Wall mathematical methods in linguistics kluwer academic publishers page 266. If a b are two ring elements with a b 0 but ab 0 then a and b are called zero divisors. An integral domain is a nonzero commutative ring with no nonzero zero divisors. These are two special kinds of ring definition.
A commutative ring with an identity having no proper divisors of zero that is where the product of nonzero elements cannot be zero. More generally if n is not prime then z n contains zero divisors. A ring is an integral domain if and only if the polynomial ring is an integral domain. 1990 barbara h.
Partee alice ter meulen robert e. How to use integral domain in a sentence. For any integral domain there can be derived an associated field of fractions. Necessary and important as a part of a whole.
This definition may be reformulated in a number of equivalent definitions. Integral domains and fields. An integral domain is basically defined as a nonzero commutative ring in which the product of any two nonzero elements is nonzero. In the ring z 6 we have 2 3 0 and so 2 and 3 are zero divisors.
Therefore it is of great importance to have a definition of the integral that allows a wider class of functions to be integrated. If the values of a function are rearranged over the domain the integral of a function should. An integral domain is a commutative ring in which the zero ideal 0 is a prime ideal. An integral domain is a commutative ring with an identity 1 0.