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Periodica Mathematica Hungarica

, Volume 9, Issue 3, pp 231–235 | Cite as

Les relations de congruence sur le demi-anneauN des nombres naturels

  • M. L. Noronha-Galvão
Article
  • 17 Downloads

AMS (MOS) classification numbers (1970)

Primary 16A78 

Key words and phrases k-ideal

relation of Bourne 

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Références

  1. [1]
    S. Bourne, The Jacobson radical of a semiring,Proc. Nat. Acad. Sci. U.S.A. 37 (1951), 163–170.MR 13 — 7Google Scholar
  2. [2]
    M. Henriksen, Ideals in semirings with commutative addition,Notices Amer. Math. Soc. 5 (1958), 321.Google Scholar
  3. [3]
    M. L. Noronha-Galvão etA. Almeida Costa, Sur le demi-anneau des nombres naturels,An. Fac. Ci. Univ. Porto 48 (1965), 35–39.MR 37#2818Google Scholar
  4. [4]
    M. Ramalho,Semi-aneis-Morfismos e ideais, Lisboa, Fac. Ci., 1971. (In Portuguese)Google Scholar

Copyright information

© Akadémiai Kiadó 1978

Authors and Affiliations

  • M. L. Noronha-Galvão
    • 1
  1. 1.Faculdade de Ciencias da Universidade de Lisboa rua da Escola PolitécnicaLisboaPortugal

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