Timeline for When does a subgroup H of a group G have a complement in G?
Current License: CC BY-SA 2.5
4 events
| when toggle format | what | by | license | comment | |
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| Sep 10, 2010 at 6:50 | comment | added | William DeMeo | Thank you. Upon googling Constantini and Zacher I found this page en.wikipedia.org/wiki/Complemented_group which gives the two definitions as well as a bit of the history. Thank you for helping to clear this up. | |
| Sep 10, 2010 at 2:17 | comment | added | John Shareshian | Lattice theoretic complements, which you define here, are much more common than group theoretic complements, which you ask about above. For example, a theorem of M. Costantini and G. Zacher says that every subgroup of a finite simple group has a lattice theoretic complement. | |
| Sep 9, 2010 at 21:21 | history | edited | William DeMeo | CC BY-SA 2.5 |
deleted 18 characters in body; deleted 22 characters in body
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| Sep 9, 2010 at 21:14 | history | answered | William DeMeo | CC BY-SA 2.5 |