Remarks on acts and the lattice of their torsion theories

  • Wilfried Lex
Conference paper
Part of the Lecture Notes in Mathematics book series (LNM, volume 1320)


Boolean Algebra Unary Algebra Torsion Theory Torsion Class Boolean Lattice 
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    Amin, I.A., Wiegandt, R.: Torsion and torsionfree classes of acts. Contributions to General Algebra 2, Proc. Klagenfurt Conf. 1982. Wien, Stuttgart, 1983; 19–34.Google Scholar
  2. [2]
    Lex, W.: Lattices of Torsion Theories for Semi-Automata. To appear in the Proc. of the Chico Conf. on Semigroups in 1986. D. Reidel, 1987.Google Scholar
  3. [3]
    -, Wiegandt, R.: Torsion theory for acts. Studia Sci. Math. Hungar., 16(1981), 263–280.MathSciNetzbMATHGoogle Scholar
  4. [4]
    Veldsman, S., Wiegandt, R.: On the existence and non-existence of complementary radical and semisimple classes. Quaest. Math., 7(1984), 213–224.MathSciNetCrossRefzbMATHGoogle Scholar

Copyright information

© Springer-Verlag 1988

Authors and Affiliations

  • Wilfried Lex

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