2 problems

Knutson–Tao conjecture. The direct sum of Hermitian matrices corresponds to an overlay of honeycombs; conversely, Littlewood–Richardson fillings should correspond to Hermitian matr…

Let $\mu$, $\nu$, and $\lambda$ be partitions, and let $J_\mu$, $J_\nu$, and $J_\lambda$ be Jack functions. Define the Jack Littlewood–Richardson coefficient by … Let…