作者: Jānis Buls , Aivars Lorencs
DOI: 10.1051/ITA:2008010
关键词: Calculus 、 Finitely-generated abelian group 、 Pure mathematics 、 Ideal (set theory) 、 Cover (algebra) 、 Mathematics 、 Word (computer architecture)
摘要: The necessary and sufficient conditions are extracted for periodicity of bi-ideals. They cover infinitely finitely generated