Augmentations and rulings of Legendrian links in #k(S1× S2)
Augmentations and rulings of Legendrian links in #k(S1× S2)
Given a Legendrian link in # k pS 1 ˆS2 q, we extend the definition of a normal ruling from J 1 pS 1 q given by Lavrov and Rutherford and show that the existence of an augmentation to any field of the Chekanov-Eliashberg differential graded algebra over Z rt, …