In mathematics, more specifically ring theory, an atomic domain or factorization domain is an integral domain in which every non-zero non-unit can be written in at least one way as a finite product of irreducible elements. Atomic domains are different from unique factorization domains in that this decomposition of an element into irreducibles need not be unique; stated differently, an irreducible element is not necessarily a prime element. The term "atomic" is due to P. M. Cohn, who called an irreducible element of an integral domain an "atom".
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| - Atomic domain (en)
- Anneau atomique (fr)
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| - En algèbre commutative — une branche des mathématiques — un anneau atomique est un anneau intègre dans lequel tout élément non nul et non inversible admet une décomposition (non nécessairement unique) en un produit d'éléments irréductibles. Le terme « atomique » est dû à Paul Cohn, qui appelle « atome » un élément irréductible d'un anneau intègre. Les anneaux factoriels et les anneaux intègres noethériens sont atomiques. Plus généralement, tout anneau intègre satisfaisant la condition de chaîne ascendante sur les idéaux principaux est atomique. (fr)
- In mathematics, more specifically ring theory, an atomic domain or factorization domain is an integral domain in which every non-zero non-unit can be written in at least one way as a finite product of irreducible elements. Atomic domains are different from unique factorization domains in that this decomposition of an element into irreducibles need not be unique; stated differently, an irreducible element is not necessarily a prime element. The term "atomic" is due to P. M. Cohn, who called an irreducible element of an integral domain an "atom". (en)
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| - In mathematics, more specifically ring theory, an atomic domain or factorization domain is an integral domain in which every non-zero non-unit can be written in at least one way as a finite product of irreducible elements. Atomic domains are different from unique factorization domains in that this decomposition of an element into irreducibles need not be unique; stated differently, an irreducible element is not necessarily a prime element. Important examples of atomic domains include the class of all unique factorization domains and all Noetherian domains. More generally, any integral domain satisfying the ascending chain condition on principal ideals (ACCP) is an atomic domain. Although the converse is claimed to hold in Cohn's paper, this is known to be false. The term "atomic" is due to P. M. Cohn, who called an irreducible element of an integral domain an "atom". (en)
- En algèbre commutative — une branche des mathématiques — un anneau atomique est un anneau intègre dans lequel tout élément non nul et non inversible admet une décomposition (non nécessairement unique) en un produit d'éléments irréductibles. Le terme « atomique » est dû à Paul Cohn, qui appelle « atome » un élément irréductible d'un anneau intègre. Les anneaux factoriels et les anneaux intègres noethériens sont atomiques. Plus généralement, tout anneau intègre satisfaisant la condition de chaîne ascendante sur les idéaux principaux est atomique. (fr)
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