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Groups acting on trees and the Eilenberg–Ganea problem for families
Proceedings of the American Mathematical Society ( IF 0.8 ) Pub Date : 2020-08-17 , DOI: 10.1090/proc/15203 Luis Jorge Sánchez Saldaña
Proceedings of the American Mathematical Society ( IF 0.8 ) Pub Date : 2020-08-17 , DOI: 10.1090/proc/15203 Luis Jorge Sánchez Saldaña
Abstract:We construct new examples of groups with cohomological dimension 2 and geometric dimension 3 with respect to the families of finite subgroups, virtually abelian groups of bounded rank, and the family of virtually poly-cyclic subgroups. Our main ingredients are the examples constructed by Brady-Leary-Nucinckis and Fluch-Leary, and Bass-Serre theory.
中文翻译:
集体行动对树木的影响和家庭的艾伦伯格-加涅问题
摘要:关于有限子群族,有界秩的虚拟阿贝尔群和虚拟多环子群族,我们构造了具有同调维度为2和几何维度为3的组的新示例。我们的主要成分是Brady-Leary-Nucinckis和Fluch-Leary以及Bass-Serre理论构建的示例。
更新日期:2020-10-19
中文翻译:
集体行动对树木的影响和家庭的艾伦伯格-加涅问题
摘要:关于有限子群族,有界秩的虚拟阿贝尔群和虚拟多环子群族,我们构造了具有同调维度为2和几何维度为3的组的新示例。我们的主要成分是Brady-Leary-Nucinckis和Fluch-Leary以及Bass-Serre理论构建的示例。