• Attila Nagy
Part of the Advances in Mathematics book series (ADMA, volume 1)


In this chapter we present those basic notions and results of semigroup theory which are used in this book. This chapter contains further theorems and lemmas. There are several assertions corresponding to different semigroup classes examined in this book whose proofs are similar to each other and based on common ideas. The common parts of these proofs are formulated as theorems and lemmas, and they are presented and proved in this chapter.


Inverse Semigroup Simple Semigroup Rectangular Band Left Zero Idempotent Element 
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Copyright information

© Springer Science+Business Media Dordrecht 2001

Authors and Affiliations

  • Attila Nagy
    • 1
  1. 1.Department of Algebra, Institute of MathematicsBudapest University of Technology and EconomicsHungary

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