Principal factor explained

In algebra, the principal factor of a

l{J} -class J of a semigroup S is equal to J if J is the kernel of S, and to J \cup \{ 0 \} otherwise.

Properties

• A principal factor is a simple, 0-simple or null semigroup.^[1]

Further reading

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Notes and References

1. Grillet (1995), p. 50, Proposition 4.9.