Mathematics – Algebraic Geometry
Scientific paper
2010-02-26
Mathematics
Algebraic Geometry
39 pages, 8 figures, mostly rewritten
Scientific paper
We provide a transformation formula of non-commutative Donaldson-Thomas
invariants under a composition of mutations. Consequently, we get a description
of a composition of cluster transformations in terms of quiver Grassmannians.
As an application, we give an alternative proof of Fomin-Zelevinsky's
conjectures on $F$-polynomials and $g$-vectors.
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