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math.LO2023
Piecewise convex embeddability on linear orders
Martina Iannella, Alberto Marcone, Luca Motto Ros +1
Given a nonempty set of linear orders, we say that the linear order is -convex embeddable into the linear order if it is possible to partition $…
math.LO2023★ 1 cited
Convex Embeddability and Knot Theory
Martina Iannella, Alberto Marcone, Luca Motto Ros +1
We consider countable linear orders and study the quasi-order of convex embeddability and its induced equivalence relation. We obtain both combinatorial and descriptive set-theoret…
math.LO2023
Provable better quasi orders
Anton Freund, Alberto Marcone, Fedor Pakhomov +1
It has recently been shown that fairly strong axiom systems such as cannot prove that the antichain with three elements is a better quasi order (). I…