The admissible-order picture–crystal bijection conjecture

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Let λ,μ,ν\lambda,\mu,\nu be Young diagrams. Let AA be an admissible order on ν∖λ\nu\setminus\lambda and let A′A' be an admissible order on μ\mu. The set B(μ)λν[A′]\mathbf{B}(\mu)_\lambda^\nu[A'] consists of tableaux whose admissible reading produces a sequence of Young diagrams from λ\lambda to ν\nu, and P(μ,ν∖λ:A,A′){\bf P}(\mu,\nu\setminus\lambda:A,A') is the set of bijective maps from μ\mu to ν∖λ\nu\setminus\lambda that are PA-standard with inverse PA′'-standard. Admissible-order picture–crystal bijection conjecture. There exists a bijection

Ψ:B(μ)λν[A′]⟶P(μ,ν∖λ:A,A′),\Psi:\mathbf{B}(\mu)_\lambda^\nu[A']\longrightarrow {\bf P}(\mu,\nu\setminus\lambda:A,A'),

where Ψ\Psi is the same as in 4.1. The assertion proposes that the correspondence between Littlewood–Richardson crystals and pictures is independent of the chosen admissible orders, extending the bijection previously defined in Section 4.1.

References

Primary source

Toshiki Nakashima and Miki Shimojo, “Pictures and Littlewood-Richardson crystals”, arXiv:0904.1706 (2009).

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