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Volume 49 - Issue 1 - February 1994

Contents

Page 2 of 2

Research Article

  • Algebras of cancellative semigroups

  • Jan Okninski
  • Published online by Cambridge University Press:
    17 April 2009, pp. 165-170
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  • The Jacobson radical J(K[S]) of the semigroup ring K[S] of a cancellative semigroup S over a field K is studied. We show that, if J(K[S]) ≠ 0, then either S is a reversive semigroup or K[S] has many nilpotents and J(K[P]) ≠ 0 for a reversive subsemigroup P of S. This is used to prove that J(K[S]) = 0 for every unique product. semigroup S.

Abstracts of Australasian Ph.D. Theses

  • Optimality conditions in nonsmooth optimization

  • Bevil M. Glover
  • Published online by Cambridge University Press:
    17 April 2009, pp. 171-172
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  • Legendre foliations on contact metric manifolds

  • Nicola Jayne
  • Published online by Cambridge University Press:
    17 April 2009, p. 173
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Corrigendum

  • On Gaussian elimination and determinant formulas for matrices with chordal inverses: Corrigendum

  • Mihály Bakonyi
  • Published online by Cambridge University Press:
    17 April 2009, p. 175
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  • The statement of Proposition 2.2 (p.437) published by the author in Bull. Austral. Math. Soc. Vol. 46 (1992) pp.435–440 is incorrect. The correct version follows.

Front matter

  • BAZ volume 49 issue 1 Cover and Front matter

  • Published online by Cambridge University Press:
    17 April 2009, pp. f1-f2
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Back matter

  • BAZ volume 49 issue 1 Cover and Back matter

  • Published online by Cambridge University Press:
    17 April 2009, pp. b1-b3
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Page 2 of 2