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Minimal ideal information


In the branch of abstract algebra known as ring theory, a minimal right ideal of a ring R is a non-zero right ideal which contains no other non-zero right ideal. Likewise, a minimal left ideal is a non-zero left ideal of R containing no other non-zero left ideals of R, and a minimal ideal of R is a non-zero ideal containing no other non-zero two-sided ideal of R (Isaacs 2009, p. 190).

In other words, minimal right ideals are minimal elements of the partially ordered set (poset) of non-zero right ideals of R ordered by inclusion. The reader is cautioned that outside of this context, some posets of ideals may admit the zero ideal, and so the zero ideal could potentially be a minimal element in that poset. This is the case for the poset of prime ideals of a ring, which may include the zero ideal as a minimal prime ideal.

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Minimal ideal

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theory, a minimal right ideal of a ring R is a non-zero right ideal which contains no other non-zero right ideal. Likewise, a minimal left ideal is a non-zero...

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Minimal prime ideal

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theorem use minimal prime ideals. A prime ideal P is said to be a minimal prime ideal over an ideal I if it is minimal among all prime ideals containing...

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SnapPea

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performs a sequence of simplifications to find a locally minimal ideal triangulation. Once a suitable ideal triangulation is found, SnapPea can try to find a...

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Semigroup

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An example of a semigroup with no minimal ideal is the set of positive integers under addition. The minimal ideal of a commutative semigroup, when it...

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Spinor

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a minimal left ideal in Mat(2,  C {\displaystyle \mathbb {C} } ). In 1947 Marcel Riesz constructed spinor spaces as elements of a minimal left ideal of...

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Prime ideal

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Any primitive ideal is prime. As with commutative rings, maximal ideals are prime, and also prime ideals contain minimal prime ideals. A ring is a prime...

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Maximal ideal

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Maximal right/left/two-sided ideals are the dual notion to that of minimal ideals. If F is a field, then the only maximal ideal is {0}. In the ring Z of integers...

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Generating set of a module

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no minimal generating set. The cardinality of a minimal generating set need not be an invariant of the module; Z is generated as a principal ideal by...

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Minimal prime

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mathematics, the term minimal prime may refer to Minimal prime ideal, in commutative algebra Minimal prime (recreational mathematics), the minimal prime number...

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Monogenic semigroup

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subgroup and also an ideal of ⟨ a ⟩ {\displaystyle \langle a\rangle } . It is called the kernel of a and it is the minimal ideal of the monogenic semigroup...

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Frobenius algebra

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since this ring is a local ring with its maximal ideal generated by x and y, and unique minimal ideal generated by xy. For a field k, the three-dimensional...

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Primary decomposition

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module theory). The minimal elements of { Q i ∣ i } {\displaystyle \{{\sqrt {Q_{i}}}\mid i\}} are the same as the minimal prime ideals containing I {\displaystyle...

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List of abstract algebra topics

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(algebra) Ring ideal Principal ideal Ideal quotient Maximal ideal, minimal ideal Primitive ideal, prime ideal, semiprime ideal Radical of an ideal Jacobson...

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Ideal theory

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In mathematics, ideal theory is the theory of ideals in commutative rings. While the notion of an ideal exists also for non-commutative rings, a much...

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Abelian sandpile model

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a commutative monoid under the operation ∗ {\displaystyle *} . The minimal ideal of this monoid is then isomorphic to the group of recurrent configurations...

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Radical of an ideal

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an ideal is called radicalization. A radical ideal (or semiprime ideal) is an ideal that is equal to its radical. The radical of a primary ideal is a...

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Ideal observer theory

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Ideal observer theory is the meta-ethical view which claims that ethical sentences express truth-apt propositions about the attitudes of a hypothetical...

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Ascending chain condition

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finiteness properties satisfied by some algebraic structures, most importantly ideals in certain commutative rings. These conditions played an important role...

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Krull dimension

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catenary. In a Noetherian ring, a prime ideal has height at most n if and only if it is a minimal prime ideal over an ideal generated by n elements (Krull's...

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Regular local ring

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the minimal number of generators of its maximal ideal is equal to its Krull dimension. In symbols, let A be a Noetherian local ring with maximal ideal m...

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Special classes of semigroups

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Arbitrary semigroup E Set of idempotents in S G Group of units in S I Minimal ideal of S V Regular elements of S X Arbitrary set a, b, c Arbitrary elements...

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Holy minimalism

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Holy minimalism, mystic minimalism, spiritual minimalism, or sacred minimalism are terms, sometimes pejorative, used to describe the musical works of...

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Integral domain

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ring have only one minimal prime. It follows that the unique minimal prime ideal of a reduced and irreducible ring is the zero ideal, so such rings are...

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Monomial ideal

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algebra, a monomial ideal is an ideal generated by monomials in a multivariate polynomial ring over a field. A toric ideal is an ideal generated by differences...

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