Conjecture on admissible pictures and Littlewood–Richardson crystals
Let λ\lambdaλ, μ\muμ, and ν\nuν be Young diagrams with ∣λ∣+∣μ∣=∣ν∣|\lambda|+|\mu|=|\nu|∣λ∣+∣μ∣=∣ν∣. Let AAA be an admissible order on the skew Young diagram ν∖λ\nu\setminus\lambdaν∖λ, and let A′A'A′ be an a…