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On separative refinement monoids

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We obtain two new characterizations of separativity of refinement monoids, in terms of comparability-type conditions. As applications, we get several equivalent conditions of separativity for exchange ideals.

Abstract

We obtain two new characterizations of separativity of refinement monoids, in terms of comparability-type conditions. As applications, we get several equivalent conditions of separativity for exchange ideals.

참고문헌 (8)

  1. P. Ara, "Extensions of exchange rings", J. Algebra, 197(2), pp.409~423 (1997)
  2. P. Ara, "Stability properties of exchange rings", International Symposium on Ring Theory (Kyongju, 1999), pp.23~42 (2001), Trends Math., Birkhauser Boston
  3. P. Ara, "Separative cancellation for projective modules over exchange rings", Israel J. Math, 105, pp.105~137 (1998)
  4. G. Brookfield, "Monoids and Categories of Noetherian Modules", 박사, pp.1997
  5. K. R. Goodearl, "Von Neumann Regular Rings, Monographs and Studies in Mathematics", pp.4~ (1979), Pitman (Advanced Publishing Program)
  6. K. R. Goodearl, "Von Neumann regular rings and direct sum decomposition problems", Abelian groups and modules (Padova, 1994), 통권 : 343, pp.249~255 (1995), Math. Appl
  7. E. Pardo, "Comparability, separativity, and exchange rings", Comm. Algebra, 24(9), pp.2915~2929 (1996)
  8. F. Wehrung, "Restricted injectivity, transfer property and decompositions of separative positively ordered monoids", Comm. Algebra, 22(5), pp.1747~1781 (1994)

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