A bijection between N-matrices with finite support and pairs (P,Q) of semistandard Young tableaux of the same shape. Restricts to permutations ↔ pairs of SYT of the same shape.
A bijection between N-matrices with finite support and pairs (P,Q) of semistandard Young tableaux of the same shape. Restricts to permutations ↔ pairs of SYT of the same shape.