Saxl's arbitrary-rank symmetric p-core conjecture

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For n∈Nn\in\mathbb{N}, let DC(λ){\bf D}^{\mathbb{C}}(\lambda) denote the simple complex Sn\mathfrak{S}_n-module labelled by the partition λ\lambda. A partition is a symmetric pp-core if it is symmetric and has no removable rim hook of length pp. Saxl's arbitrary-rank conjecture. For every n∈Nn\in\mathbb{N}, there exists a symmetric pp-core λ\lambda for some p⩽np\leqslant n such that DC(λ)⊗DC(λ){\bf D}^{\mathbb{C}}(\lambda)\otimes{\bf D}^{\mathbb{C}}(\lambda) contains every simple CSn\mathbb{C}\mathfrak{S}_n-module with positive multiplicity. This proposes a version of Saxl's tensor-square positivity conjecture for arbitrary nn, rather than only triangular values; the supplied text gives no resolution status.

References

Primary source

C. Bessenrodt, C. Bowman and L. Sutton, “Kronecker positivity and 2-modular representation theory”, arXiv:1903.07717 (2019).

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