The type C K-Stanley expansion conjecture in GQ functions

From papers

Let ww be a signed permutation. For each strict partition λ\lambda, let GQλGQ_\lambda denote the corresponding GQ symmetric function, let awC(λ)a^C_w(\lambda) be the coefficient determined by the stated SDT insertion method, let (w)\ell(w) be the length of ww, and let β\beta be the KK-theoretic parameter.

Type C K-Stanley expansion conjecture.

GwC=λ strictβλ(w)awC(λ)GQλ.G^C_w = \sum_{\lambda\ \mathrm{strict}} \beta^{|\lambda| - \ell(w)}a^C_w(\lambda) \cdot GQ_\lambda.

This conjecture proposes an expansion of every Type CC KK-Stanley function in the basis of GQ functions, with coefficients arising from the insertion objects described in the paper. It extends the relation between GQ functions and Type CC KK-Stanley functions established for the specified elements associated with strict partitions and positive integers.

Progress summary

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Sources & referencesView supporting material

Primary source

Joshua Arroyo, “Pieri Rule for GQs Computed via Strict Decomposition Tableaux”, arXiv:2511.05734 (2025).

Additional references

2 papers in this index state this conjecture (2025). The statement above is taken from the most recent of them; the others are arXiv:2503.16641.

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