335
Voted
ORDER
10 years 3 months ago
2016 
We characterize conservative median algebras and semilattices by means of forbidden substructures and by providing their representation as chains. Moreover, using a dual equivalenc...
256
Voted
ORDER
10 years 3 months ago
2016 
Dorais asked for the maximum guaranteed size of a dimension d subposet of an n-element poset. A lower bound of order √ n was found by Goodwillie. We provide a sublinear upper bou...
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Operations Research