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ON DEFINABILITY OF NORMAL SUBGROUPS OF A SUPERSTABLE GROUP |
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| Authors: | Akito Tsuboi |
| Abstract: | In this note we treat maximal and minimal normal subgroups of a superstable group and prove that these groups are definable under certain conditions. Main tool is a superstable version of Zil'ber's indecomposability theorem. MSC: 03C60. |
| Keywords: | Superstable groups Definability in group theory |