Abstract
Let (m,b) be a pair of natural numbers. For m odd with m≥7 (resp. m≥5) and b=0 (resp. b=1) we show that there is a non-formal compact (almost) contact m-manifold with first Betti number b1=b. Moreover, in the case b=0 with m≥7, the manifold even is simply-connected.
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