Conjecture on weak sequenceability of abelian groups
Conjecture on weak sequenceability of abelian groups
Let be a positive integer, let be an abelian group, and let be a finite subset of with . An ordering of is a -weak sequencing if its partial sums satisfy whenever and ; is -weak sequenceable if it admits such an ordering.
Weak sequenceability conjecture. The set is -weak sequenceable. Equivalently, every abelian group is -weak sequenceable.
This is a weakening of strong sequenceability motivated by a graph-theoretic interpretation of partial sums as walks with large girth. The paper presents it as an analogue of the Alspach–Liversidge conjecture; no resolution is supplied.
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Sources & referencesView supporting material
Primary source
Simone Costa and Stefano Della Fiore, “Weak Sequenceability in Cyclic Groups”, arXiv:2205.12017 (2022).
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