On a non-vanishing Ext
classification
🧮 math.LO
math.GRmath.RA
keywords
admittingaloneaxiomscertaindiamonddomainsexistenceexts
read the original abstract
The existence of valuation domains admitting non-standard uniserial modules for which certain Exts do not vanish was proved under Jensen's Diamond Principle. In this note, the same is verified using the ZFC axioms alone.
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