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1 paper

math.LO2025

On the ABK Conjecture, alpha-well Quasi Orders and Dress-Schiffels product

Uri Abraham, Robert Bonnet, Mirna Džamonja +1

The following is a 2008 conjecture of Abraham, Bonnet and Kubiś: [ABK Conjecture] Every well quasi order (wqo) is a countable union of better quasi orders (bqo). We obtain a parti…