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math.CO2020★ 4 cited
The 144 symmetries of the Littlewood-Richardson coefficients of
Emmanuel Briand, Mercedes Rosas
We compute with SageMath the group of all linear symmetries for the Littlewood-Richardson associated to the representations of . We find that there are 144 symmetries, more t…
math.CO2020
On partitions with corners not containing the staircase with one more corner
Emmanuel Briand
We give three proofs of the following result conjectured by Carriegos, De Castro-Garc\'ıa and Muñoz Castañeda in their work on enumeration of control systems: when $\binom{k+1}{2}…