LINEAR RELATIONS AND INTEGRABILITY FOR CLUSTER ALGEBRAS FROM AFFINE QUIVERS
Glasgow mathematical journal, Tome 63 (2021) no. 3, pp. 584-621

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We consider frieze sequences corresponding to sequences of cluster mutations for affine D- and E-type quivers. We show that the cluster variables satisfy linear recurrences with periodic coefficients, which imply the constant coefficient relations found by Keller and Scherotzke. Viewing the frieze sequence as a discrete dynamical system, we reduce it to a symplectic map on a lower dimensional space and prove Liouville integrability of the latter.
PALLISTER, JOE. LINEAR RELATIONS AND INTEGRABILITY FOR CLUSTER ALGEBRAS FROM AFFINE QUIVERS. Glasgow mathematical journal, Tome 63 (2021) no. 3, pp. 584-621. doi: 10.1017/S0017089520000397
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     author = {PALLISTER, JOE},
     title = {LINEAR {RELATIONS} {AND} {INTEGRABILITY} {FOR} {CLUSTER} {ALGEBRAS} {FROM} {AFFINE} {QUIVERS}},
     journal = {Glasgow mathematical journal},
     pages = {584--621},
     year = {2021},
     volume = {63},
     number = {3},
     doi = {10.1017/S0017089520000397},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089520000397/}
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