A note on the front spinning construction
Abstract
In this paper we introduce a notion of front Sm-spinning for Legendrian submanifolds of R2n+1. It generalizes the notion of front S1-spinning which was invented by Ekholm, Etnyre and Sullivan. We use it to prove that there are infinitely many pairs of exact Lagrangian cobordant and not pairwise Legendrian isotopic Legendrian S1 x Si1 x ... x Sik in the standard contact Euclidean space which have the same classical invariants if one of ij's is odd.
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