Flows on Honeycombs and Sums of Littlewood-Richardson Tableaux

Glenn D. Appleby, Tamsen Whitehead

Suppose μand μ' are two partitions. We will let μ\oplus μ' denote the "direct sum" of the partitions, defined as the sorted partition made of the parts of $\mu$ and ${\mu }^{\prime }$. In this pap…