Kleene Star

The unary regular operator commonly represented as '*', describing:

• zero or more transitions (A*) through a finite automaton (A)
• the smallest superset (V*) of a set of strings (V) such that λ ⊂ V* and V* is closed under concatenation
• the set of all strings (Σ*) of symbols in an alphabet Σ, such that λ ⊂ Σ*
  • λ is the empty string

See Also

• Kleene Plus