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Jul 18, 2019 at 13:42 vote accept C.F.G
Jul 5, 2018 at 21:42 answer added Klaus Niederkrüger timeline score: 2
Jul 12, 2017 at 12:50 history edited C.F.G CC BY-SA 3.0
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Jul 12, 2017 at 12:47 comment added C.F.G Notic that every almost contact manifold is orientable. [Yano, Kon, Structure on manifolds, p. 255]
Jul 12, 2017 at 12:40 history edited C.F.G CC BY-SA 3.0
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Jul 12, 2017 at 12:36 comment added C.F.G @JarekKędra, Thanks for your accuracy.
Jul 12, 2017 at 12:34 history edited C.F.G CC BY-SA 3.0
added 14 characters in body
Jul 12, 2017 at 12:18 comment added Jarek Kędra In your first definition you need to assume that $M$ is orientable. The second definition is of almost contact structure, according to Gray [MR0112161].
Jul 11, 2017 at 16:10 history asked C.F.G CC BY-SA 3.0