Mathematics – Commutative Algebra
Scientific paper
2010-09-17
Mathematics
Commutative Algebra
Some minor typos were fixed and some sections were shortened; to appear in Glasgow Mathematical Journal (2011) 32 pages
Scientific paper
To any walk in a quiver, we associate a Laurent polynomial. When the walk is
the string of a string module over a 2-Calabi-Yau tilted algebra, we prove that
this Laurent polynomial coincides with the corresponding cluster character of
the string module, up to an explicit normalising monomial factor.
Assem Ibrahim
Dupont Grégoire
Schiffler Ralf
Smith David
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