The Whitney duals of a graded poset

Journal of Combinatorial Theory, Series A - Tập 177 - Trang 105301 - 2021
Rafael S. González D'León1, Joshua Hallam2
1Escuela de Ciencias Exactas e Ingeniería, Universidad Sergio Arboleda, Bogotá, Colombia
2Department of Mathematics, Loyola Marymount University, Los Angeles, CA 90045, USA

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