Аннотация:
In this note we provide a new, algebraic proof of the excessive Laurent phenomenon for mutations of potentials (in the sense of [Galkin S., Usnich A., Preprint IPMU 10-0100, 2010]) by introducing to this theory the analogue of the upper bounds from [Berenstein A., Fomin S., Zelevinsky A., Duke Math. J.126 (2005), 1–52].
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Andrea Petracci, Springer INdAM Series, 39, Birational Geometry and Moduli Spaces, 2020, 173
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