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has gloss | eng: In mathematics, the von Neumann conjecture stated that a topological group G is not amenable if and only if G contains a subgroup that is a free group on two generators. The conjecture was disproved in 1980. |
lexicalization | eng: Von Neumann conjecture |
instance of | e/Topological group |
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Castilian | |
has gloss | spa: En matemática, la conjetura de von Neumann fijó que un grupo topológico G no es receptivo si y solo si G contiene un subgrupo que es un grupo libre en dos generadores. La conjetura fue refutada en 1980. |
lexicalization | spa: Conjetura de von Neumann |
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