Equidistribution conjecture for the alpha, beta and gamma statistics

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For Gog, Magog and GOGAm triangles, define the statistics α\alpha, β\beta, and γ\gamma as in the paper; in particular, αGog(X)\alpha_{\mathrm{Gog}}(X) counts indices kk with Xk,1=1X_{k,1}=1, βGog(X)=X1,1\beta_{\mathrm{Gog}}(X)=X_{1,1}, and the corresponding Magog and GOGAm statistics are defined using the Schützenberger involution and the stated boundary data. Alpha–beta–gamma equidistribution conjecture. For any nn, the three statistics α\alpha, β\beta, and γ\gamma are equienumerated on, respectively, Gog, Magog, and GOGAm triangles. This proposes a refined enumerative correspondence beyond the basic equality of cardinalities; the source gives no resolution.

References

Primary source

Philippe Biane and Hayat Cheballah, “Inversions and the Gog-Magog problem”, arXiv:1401.6516 (2014).

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