| dbo:abstract |
In algebraic group theory, a thin group is a discrete Zariski-dense subgroup of G(R) that has infinite covolume, where G is a semisimple algebraic group over the reals. This is in contrast to a lattice, which is a discrete subgroup of finite covolume. The theory of "group expansion" (expander graph properties of related Cayley graphs) for particular thin groups has been applied to arithmetic properties of Apollonian circles and in Zaremba's conjecture. (en) Inom , en del av matematiken, är en tunn grupp en diskret Zariskität delgrupp av G(R) som har oändlig kovolym, där G är en över reella talen. Teorin av "gruppexpansion" för vissa tunna grupper har använts till aritmetiska egenskaper av och i . (sv) |
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dbr:Algebraic_group dbc:Linear_algebraic_groups dbr:Apollonian_circles dbr:Lattice_(group) dbr:Semisimple_algebraic_group dbr:Expander_graph dbr:Cayley_graph dbr:Real_number dbr:Zariski_topology dbr:Zaremba's_conjecture |
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dbt:Algebra-stub dbt:Citation dbt:Reflist |
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dbc:Linear_algebraic_groups |
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dbr:Subgroup |
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yago:Abstraction100002137 yago:Group100031264 dbo:EthnicGroup yago:WikicatAlgebraicGroups |
| rdfs:comment |
In algebraic group theory, a thin group is a discrete Zariski-dense subgroup of G(R) that has infinite covolume, where G is a semisimple algebraic group over the reals. This is in contrast to a lattice, which is a discrete subgroup of finite covolume. The theory of "group expansion" (expander graph properties of related Cayley graphs) for particular thin groups has been applied to arithmetic properties of Apollonian circles and in Zaremba's conjecture. (en) Inom , en del av matematiken, är en tunn grupp en diskret Zariskität delgrupp av G(R) som har oändlig kovolym, där G är en över reella talen. Teorin av "gruppexpansion" för vissa tunna grupper har använts till aritmetiska egenskaper av och i . (sv) |
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Thin group (algebraic group theory) (en) Tunn grupp (algebraisk gruppteori) (sv) |
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freebase:Thin group (algebraic group theory) yago-res:Thin group (algebraic group theory) wikidata:Thin group (algebraic group theory) dbpedia-sv:Thin group (algebraic group theory) https://global.dbpedia.org/id/fCSw |
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