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20 Mar 2015: 4.3. Quasi-transitive augmentations. We consider next the sys-tematic addition of new edges, and the effect thereof on the connectiveconstant. ... This example may be extendedto augmentions by other periodic families of new edges, as explained in[19,

13 Mar 2015: πωt). Starting from παt, the new walk winds once around the cycle := (πjt); having. ... vertex πωt. This new subwalk is inserted into π at the appropriate place.