added product of upper cluster

sagemath · Mar 7, 2016 · e1f49c3 · e1f49c3
1 parent 9f6fe10
commit e1f49c3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/sage/combinat/cluster_complex.py b/src/sage/combinat/cluster_complex.py
@@ -129,7 +129,7 @@ def product_of_upper_cluster(self):
             [0 1]
         """
         W = self.parent().group()
-        return W.prod(W.root_to_reflection(beta)
+        return W.prod(W.reflections()[beta]
                       for beta in reversed(self.upper_cluster()))
 
 class ClusterComplex(SubwordComplex):