Invariant random subgroups over non-Archimedean local fields

Invariant random subgroups over non-Archimedean local fields
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非阿基米德局部域上的不变随机子群

DOI:
10.1007/s00208-018-1767-8
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发表时间:
2017
影响因子:
1.4
通讯作者:
Arie Levit
Arie Levit
中科院分区:
数学2区
文献类型:
--
作者:
T. Gelander;Arie Levit

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设G是非阿基米德局部域上的高秩半单线性代数群。Gare Benjamini-Schramm中任意两两非共轭不可约格序列所对应的单纯复形收敛于Bruhat-Tits构造。相对Plancherel措施和规范化贝蒂数的收敛性如下。这将工作(Abert et al. in Ann Math 185(3):711-790,2017)从真实的李群扩展到任意局部域上的线性群。沿着的方式,各种结果不变的随机子群,特别是一个变种的经典波莱尔密度定理也延长。
LetGbe a higher rank semisimple linear algebraic group over a non-Archimedean local field. The simplicial complexes corresponding to any sequence of pairwise non-conjugate irreducible lattices inGare Benjamini–Schramm convergent to the Bruhat–Tits building. Convergence of the relative Plancherel measures and normalized Betti numbers follows. This extends the work (Abert et al. in Ann Math 185(3):711–790, 2017) from real Lie groups to linear groups over arbitrary local fields. Along the way, various results concerning Invariant Random Subgroups and in particular a variant of the classical Borel density theorem are also extended.
DOI: --
发表时间: 2007
期刊:
影响因子: --
作者:
T.Kobayashi;W.Schmid;and J.-H.Yang;editors
通讯作者: editors