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math.CO2021★ 1 cited
Uniquely orderable interval graphs
Marta Fiori-Carones, Alberto Marcone
Interval graphs and interval orders are deeply linked. In fact, edges of an interval graphs represent the incomparability relation of an interval order, and in general, of differen…
math.CO2014★ 2 cited
Epimorphisms between linear orders
Riccardo Camerlo, Raphaël Carroy, Alberto Marcone
We study the relation on linear orders induced by order preserving surjections. In particular we show that its restriction to countable orders is a bqo.