We study subgroups G of GL n, R definable in o-minimal expansions M s Ε½ . Ε½. R, q, ΠΈ , . . . of a real closed field R. We prove several results such as: a G can be defined using just the field structure on R together with, if necessary, power Ε½ . functions, or an exponential function definable in M.
β¦ LIBER β¦
Compact domination for groups definable in linear o-minimal structures
β Scribed by Pantelis E. Eleftheriou
- Publisher
- Springer
- Year
- 2009
- Tongue
- English
- Weight
- 263 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0933-5846
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## Abstract In this note we show: Let __R__ = γ__R__, <, +, 0, β¦γ be a semiβbounded (respectively, linear) oβminimal expansion of an ordered group, and __G__ a group definable in __R__ of linear dimension __m__ ([2]). Then __G__ is a definable extension of a bounded (respectively, definably compact