2 problems

Let $A$ be a finite-type simply-laced generalized Cartan matrix, let $C_{\rm add}(A)$ be the set of cluster-additive functions associated to $A$, and let cluster-hammock functions…

Let $A$ be a finite-type simply-laced generalized Cartan matrix, let $\Lambda$ be the path algebra of the associated Dynkin quiver, and identify $[1,r]\times\mathbb Z$ with the ver…