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Timeline for Order of "one minus automorphism"

Current License: CC BY-SA 2.5

6 events
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Mar 11, 2010 at 9:19 vote accept Daniel Moskovich
Mar 10, 2010 at 23:16 history edited Daniel Moskovich CC BY-SA 2.5
Clarified by David Speyer's comments
Mar 10, 2010 at 13:58 answer added David E Speyer timeline score: 1
Mar 10, 2010 at 13:38 answer added Kevin Buzzard timeline score: 6
Mar 10, 2010 at 12:56 comment added David E Speyer Your first condition implies the second: If v is in the kernel of 1-t, then the set {t^i v} is just {v}, and cannot span V (unless V is one dimensional). This makes me suspect you have a typo somewhere in the question.
Mar 10, 2010 at 11:23 history asked Daniel Moskovich CC BY-SA 2.5