We show how to compute the explicit expansion of the plethysm p2[sλ] of the power symmetric function p2 and the Schur function sλ, where λ has either two rows or two columns, via the well known Littlewood–Richardson coefficients which occur in the decomposition of s2λ
On the expansion of the multiplicity-free plethysms p2[s(a,b)] and p2[s(1r,2t)]
Carini L.
2022-01-01
Abstract
We show how to compute the explicit expansion of the plethysm p2[sλ] of the power symmetric function p2 and the Schur function sλ, where λ has either two rows or two columns, via the well known Littlewood–Richardson coefficients which occur in the decomposition of s2λFile in questo prodotto:
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