Group actions on pretrees and definability

被引:3
作者
Ivanov, AA [1 ]
机构
[1] Univ Wroclaw, Inst Math, PL-50384 Wroclaw, Poland
关键词
pretrees; group actions; non-nesting actions; definability;
D O I
10.1081/AGB-120027912
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We describe an axiomatizable class of structures (G, T, *) including all typical group actions on trees (considered as two-sorted structures). In this class, we obtain a first-order version of some facts about isometric actions on R-trees.
引用
收藏
页码:561 / 577
页数:17
相关论文
共 15 条
[1]  
Adeleke S. A., 1998, MEMOIRS AM MATH SOC, V623
[2]  
Alperin R., 1987, ANN MATH STUD, V111, P265
[3]  
[Anonymous], 1977, CONTRIBUTIONS ALGEBR
[4]  
[Anonymous], 1965, PUBL MATH I HAUTES E
[5]  
Bourbaki, 1965, ALGEBRE COMMUTATIVE
[6]  
Bowditch B., 1999, MEMOIRS AM MATH SOC, V662
[7]  
Bruhat T., 1972, Publications Mathematiques de l'I.H.E.S, V41, P5
[8]   GROUPS DEFINABLE IN LOCAL-FIELDS AND PSEUDO-FINITE FIELDS [J].
HRUSHOVSKI, E ;
PILLAY, A .
ISRAEL JOURNAL OF MATHEMATICS, 1994, 85 (1-3) :203-262
[9]  
IVANOV A, UNPUB NON NESTING AC
[10]  
Iwasawa K., 1948, J MATH SOC JAPAN, V1, P1