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Sep 8, 2020 at 20:15 comment added Thomas Rot Why is the question changed dramatically?
Sep 8, 2020 at 4:12 history became hot network question
Sep 7, 2020 at 23:25 answer added Danny Ruberman timeline score: 9
Sep 7, 2020 at 20:56 history edited user164740 CC BY-SA 4.0
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Sep 7, 2020 at 20:48 history edited user164740 CC BY-SA 4.0
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Sep 7, 2020 at 20:35 comment added Thomas Rot I think you can exclude d=1,3 from the euler characteristic. At least if this is required to be a fibration of manifolds.
Sep 7, 2020 at 20:27 history edited user164740 CC BY-SA 4.0
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Sep 7, 2020 at 20:22 history edited user164740 CC BY-SA 4.0
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Sep 7, 2020 at 20:11 history asked user164740 CC BY-SA 4.0