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math.CO2004
Equality of Schur and skew Schur functions
Stephanie van Willigenburg
We determine the precise conditions under which any skew Schur function is equal to a Schur function over both infinitely and finitely many variables.
math.CO2004★ 1 cited
Decomposable compositions, symmetric quasisymmetric functions and equality of ribbon Schur functions
Louis J. Billera, Hugh Thomas, Stephanie van Willigenburg
We define an equivalence relation on integer compositions and show that two ribbon Schur functions are identical if and only if their defining compositions are equivalent in this s…