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In mathematics, a monomial is, roughly speaking, a polynomial which has only one term.Two definitions of a monomial may be encountered: A monomial, also called a power product or primitive monomial, [1] is a product of powers of variables with nonnegative integer exponents, or, in other words, a product of variables, possibly with repetitions. [2]
To define the monomial representation, we first need to introduce the notion of monomial space. A monomial space is a triple (,, ()) where is a finite-dimensional complex vector space, is a finite set and () is a family of one-dimensional subspaces of such that =.
For every monomial ordering, the empty set of polynomials is the unique Gröbner basis of the zero ideal. For every monomial ordering, a set of polynomials that contains a nonzero constant is a Gröbner basis of the unit ideal (the whole polynomial ring). Conversely, every Gröbner basis of the unit ideal contains a nonzero constant.
In mathematics the monomial basis of a polynomial ring is its basis (as a vector space or free module over the field or ring of coefficients) that consists of all monomials.The monomials form a basis because every polynomial may be uniquely written as a finite linear combination of monomials (this is an immediate consequence of the definition of a polynomial).
In mathematics, a monomial order (sometimes called a term order or an admissible order) is a total order on the set of all monomials in a given polynomial ring, ...
In this case, a polynomial may be said to be monic, if it has 1 as its leading coefficient (for the monomial order). For every definition, a product of monic polynomials is monic, and, if the coefficients belong to a field, every polynomial is associated to exactly one monic polynomial.
A monomial ordering is a well ordering on the set of monomials such that if ,, are monomials, then .. By the monomial order, we can state the following definitions for a polynomial in [,, …,].
In elementary algebra, root rationalisation (or rationalization) is a process by which radicals in the denominator of an algebraic fraction are eliminated.. If the denominator is a monomial in some radical, say , with k < n, rationalisation consists of multiplying the numerator and the denominator by , and replacing by x (this is allowed, as, by definition, a n th root of x is a number that ...