From Wikipedia, the free encyclopedia

In algebra, a Cohen ring is a field or a complete discrete valuation ring of mixed characteristic whose maximal ideal is generated by p. Cohen rings are used in the Cohen structure theorem for complete Noetherian local rings.

See also

References

  • Cohen, I. S. (1946), "On the structure and ideal theory of complete local rings", Transactions of the American Mathematical Society, 59 (1): 54–106, doi: 10.2307/1990313, ISSN  0002-9947, JSTOR  1990313, MR  0016094 Cohen's paper was written when "local ring" meant what is now called a "Noetherian local ring".
  • Grothendieck, Alexandre; Dieudonné, Jean (1964). "Éléments de géométrie algébrique: IV. Étude locale des schémas et des morphismes de schémas, Première partie". Publications Mathématiques de l'IHÉS. 20: 5–259. doi: 10.1007/bf02684747. MR  0173675.


From Wikipedia, the free encyclopedia

In algebra, a Cohen ring is a field or a complete discrete valuation ring of mixed characteristic whose maximal ideal is generated by p. Cohen rings are used in the Cohen structure theorem for complete Noetherian local rings.

See also

References

  • Cohen, I. S. (1946), "On the structure and ideal theory of complete local rings", Transactions of the American Mathematical Society, 59 (1): 54–106, doi: 10.2307/1990313, ISSN  0002-9947, JSTOR  1990313, MR  0016094 Cohen's paper was written when "local ring" meant what is now called a "Noetherian local ring".
  • Grothendieck, Alexandre; Dieudonné, Jean (1964). "Éléments de géométrie algébrique: IV. Étude locale des schémas et des morphismes de schémas, Première partie". Publications Mathématiques de l'IHÉS. 20: 5–259. doi: 10.1007/bf02684747. MR  0173675.



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