Keyword: Subalgebra Generation : Search

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COMPUTATIONAL COMPLEXITY OF GENERATORS AND NONGENERATORS IN ALGEBRA
- CLIFFORD BERGMAN and
- GIORA SLUTZKI
International Journal of Algebra and Computation01 Oct 2002
Preview Abstract
We discuss the computational complexity of several problems concerning subsets of an algebraic structure that generate the structure. We show that the problem of determining whether a given subset X generates an algebra A is P-complete, while determining the size of the smallest generating set is NP-complete. We also consider several questions related to the Frattini subuniverse, Φ(A), of an algebra A. We show that the membership problem for Φ(A) is co-NP-complete, while the membership problems for Φ(Φ(A)), Φ(Φ(Φ(A))),… all lie in the class P_‖(NP).

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