Martínez de Albéniz, F. JavierRafels, CarlesYbern, Neus2019-01-222019-01-222018https://hdl.handle.net/2445/127510We show that the family of assignment matrices which give rise to the same nucleolus forms a compact join-semilattice with one maximal element. The above family is in general not a convex set, but path-connected.31 p.application/pdfengcc-by-nc-nd, (c) Martínez de Albéniz, F. Javier et al., 2018http://creativecommons.org/licenses/by-nc-nd/3.0/es/Teoria de jocsMatemàtica financeraModels matemàticsGame theoryBusiness mathematicsMathematical modelsinfo:eu-repo/semantics/workingPaperinfo:eu-repo/semantics/openAccess