Mutation compatibility conjecture for g-vectors
Mutation compatibility conjecture for g-vectors
Let be the -regular tree indexing seeds, let and be adjacent vertices in direction , and let and be exchange matrices with . For a cluster variable indexed by at , write its -vectors relative to these initial seeds as and . Mutation compatibility conjecture. For every and ,
where is the transpose of . This is presented as an equivalent reformulation of the weak version of the cited -vector mutation conjecture; it is known when the relevant exchange matrices are skew-symmetric.
Sources & referencesView supporting material
Primary source
Nathan Reading, “Universal geometric cluster algebras”, arXiv:1209.3987 (2026).
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