a branch of mathematics, the radical of an ideal I {\displaystyle I} of a commutative ring is another ideal defined by the property that an element x...
12 KB (2,131 words) - 09:53, 19 November 2024
mathematics, the radical symbol, radical sign, root symbol, or surd is a symbol for the square root or higher-order root of a number. The square root of a number...
9 KB (939 words) - 16:25, 7 April 2025
branch of mathematics, a radical of a ring is an ideal of "not-good"[definition needed] elements of the ring. The first example of a radical was the...
13 KB (1,742 words) - 14:11, 1 April 2025
mathematics, more specifically ring theory, the Jacobson radical of a ring R is the ideal consisting of those elements in R that annihilate all simple right...
26 KB (2,879 words) - 13:06, 19 October 2024
In algebra, the real radical of an ideal I in a polynomial ring with real coefficients is the largest ideal containing I with the same (real) vanishing...
2 KB (327 words) - 01:56, 28 April 2024
over a field, then the radical of an ideal in A {\displaystyle A} is the intersection of all maximal ideals containing the ideal (because A {\displaystyle...
7 KB (1,095 words) - 03:22, 11 March 2025
Radical of an ideal, an important concept in abstract algebra Radical of a ring, an ideal of "bad" elements of a ring Jacobson radical, consisting of...
4 KB (553 words) - 01:55, 11 March 2025
Affine variety (redirect from Ring of regular functions)
I(V(J))={\sqrt {J}}.} Radical ideals (ideals that are their own radical) of k[V] correspond to algebraic subsets of V. Indeed, for radical ideals I and J, I ⊆...
30 KB (4,293 words) - 05:01, 6 March 2025
specifically in ring theory, an ideal of a ring is a special subset of its elements. Ideals generalize certain subsets of the integers, such as the even...
38 KB (6,198 words) - 10:42, 15 May 2025
multiples of a given prime number, together with the zero ideal. Primitive ideals are prime, and prime ideals are both primary and semiprime. An ideal P of a...
19 KB (2,748 words) - 00:15, 5 January 2025
Goldman domain (redirect from Goldman ideal)
ideal in it is maximal. The notion of a Goldman ideal can be used to give a slightly sharpened characterization of a radical of an ideal: the radical...
4 KB (635 words) - 18:36, 14 June 2022
maximal ideal is an ideal that is maximal (with respect to set inclusion) amongst all proper ideals. In other words, I is a maximal ideal of a ring R...
9 KB (1,488 words) - 12:03, 26 November 2023
(ACC) and descending chain condition (DCC) Fractional ideal Ideal class group Radical of an ideal Hilbert's Nullstellensatz Flat module Flat map Flat map...
4 KB (296 words) - 00:44, 5 February 2025
Localization (commutative algebra) (redirect from Localization at a prime ideal)
and radicals; e.g., if I {\displaystyle {\sqrt {I}}} denote the radical of an ideal I in R, then I ⋅ S − 1 R = I ⋅ S − 1 R . {\displaystyle {\sqrt {I}}\cdot...
30 KB (5,333 words) - 01:55, 14 May 2025
ring is the set of all nilpotent elements in the ring, or equivalently the radical of the zero ideal. This is an ideal because the sum of any two nilpotent...
7 KB (1,066 words) - 10:27, 20 February 2025
the radical of an ideal, the ideal of zero-dimensional schemes, Poincaré series and Hilbert functions, factorization of polynomials, and toric ideals. The...
7 KB (361 words) - 08:30, 21 November 2024
Closure (mathematics) (redirect from Axiom of closure)
closure of an integral domain in a field that contains it. The radical of an ideal in a commutative ring. In geometry, the convex hull of a set S of points...
13 KB (1,837 words) - 06:17, 16 May 2025
A radical of an element x of a ring is an element such that some positive power is x. 4. The radical of an ideal is the ideal of radicals of its elements...
66 KB (9,772 words) - 00:23, 7 July 2024
{\displaystyle k=K} we obtain an order-reversing bijective correspondence between the algebraic sets in Kn and the radical ideals of K [ X 1 , … , X n ] . {\displaystyle...
26 KB (4,332 words) - 18:17, 14 May 2025
ideal is an ideal consisting of nilpotent elements. 2. The (Baer) upper nil radical is the sum of all nil ideals. 3. The (Baer) lower nil radical is...
32 KB (4,255 words) - 02:03, 6 May 2025
ideal Principal ideal Ideal quotient Maximal ideal, minimal ideal Primitive ideal, prime ideal, semiprime ideal Radical of an ideal Jacobson radical Socle...
12 KB (1,129 words) - 10:50, 10 October 2024
and this ideal is called the associated prime ideal of Q. In this situation, Q is said to be P-primary. On the other hand, an ideal whose radical is prime...
7 KB (1,084 words) - 11:47, 28 March 2024
{cont} (fg)}}} where ⋅ {\displaystyle {\sqrt {\cdot }}} denotes the radical of an ideal. Moreover, if R {\displaystyle R} is a GCD domain (e.g., a unique...
23 KB (3,962 words) - 16:23, 11 March 2025
Semisimple Lie algebra (redirect from Multiplicity of a restricted root)
non-zero abelian ideals; g {\displaystyle {\mathfrak {g}}} has no non-zero solvable ideals; the radical (maximal solvable ideal) of g {\displaystyle {\mathfrak...
41 KB (5,743 words) - 05:34, 4 March 2025
Commutative ring (section Principal ideal domains)
generalization of a commutative ring Divisibility (ring theory): nilpotent element, (ex. dual numbers) Ideals and modules: Radical of an ideal, Morita equivalence...
41 KB (5,688 words) - 01:33, 13 May 2025
nilpotent elements forms an ideal known as the nil radical of a ring. Because the nil radical contains every nilpotent element, an ideal of a commutative ring...
5 KB (734 words) - 00:45, 19 May 2025
Integral element (redirect from Integral extension of a ring)
{\displaystyle a_{i}\in I^{i}} with r {\displaystyle r} as a root. The radical of an ideal is integrally closed. For noetherian rings, there are alternate definitions...
32 KB (5,304 words) - 12:28, 3 March 2025
In mathematics, more specifically ring theory, an ideal I of a ring R is said to be a nilpotent ideal if there exists a natural number k such that I k...
3 KB (357 words) - 07:01, 1 September 2023
{0}), and, more precisely, the ideal of polynomials that vanish on that locus coincides with the radical of the ideal I. This last assertion is best summarized...
9 KB (1,400 words) - 20:52, 2 March 2025
and primary ideals coincide for commutative rings. To any (two-sided) ideal, a tertiary ideal can be associated called the tertiary radical, defined as...
2 KB (257 words) - 05:39, 12 March 2025