Better-quasi-orders : extensions and abstractions
We generalise the notion of δ-scattered to partial orders and prove that some large classes of δ-scattered partial orders are better-quasi-ordered under embeddability. This generalises theorems of Laver, Corominas and Thomassé regarding δ-scattered linear orders, δ-scattered trees, countable pseudo...
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University of East Anglia
2015
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.679191 |