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math.CO2025
Planarity and dimension I
Heather Smith Blake, Jędrzej Hodor, Piotr Micek +2
The dimension of a partially ordered set (poset for short) is the least positive integer such that is isomorphic to a subposet of with the natural produc…
math.CO2025
Shallow brambles
Nicolas Bousquet, Wouter Cames van Batenburg, Louis Esperet +2
A graph class has polynomial expansion if there is a polynomial function such that for every graph , each of the depth- minors of has ave…