We study finitely generated monoids consisting of endomorphisms of a free monoid. We give a necessary and sufficient condition for such a monoid to be infinite and show that this condition is decidable. As a special case we discuss the morphism torsion problem.
机构:
Lanzhou Univ, Dept Math & Stat, Lanzhou 730000, Gansu, Peoples R China
Key Lab Appl Math & Complex Syst, Lanzhou, Gansu, Peoples R ChinaUniv Vienna, Fak Math, A-1090 Vienna, Austria
Chen, Yuzhu
Hu, Xun
论文数: 0引用数: 0
h-index: 0
机构:
Lanzhou Univ, Dept Math & Stat, Lanzhou 730000, Gansu, Peoples R China
Key Lab Appl Math & Complex Syst, Lanzhou, Gansu, Peoples R China
Chongqing Technol & Business Univ, Dept Math & Stat, Chongqing 400033, Peoples R ChinaUniv Vienna, Fak Math, A-1090 Vienna, Austria
Hu, Xun
Luo, Yanfeng
论文数: 0引用数: 0
h-index: 0
机构:
Lanzhou Univ, Dept Math & Stat, Lanzhou 730000, Gansu, Peoples R China
Key Lab Appl Math & Complex Syst, Lanzhou, Gansu, Peoples R ChinaUniv Vienna, Fak Math, A-1090 Vienna, Austria
Luo, Yanfeng
Volkov, M. V.
论文数: 0引用数: 0
h-index: 0
机构:
Ural Fed Univ, Inst Math & Comp Sci, Ekaterinburg 620000, RussiaUniv Vienna, Fak Math, A-1090 Vienna, Austria