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cs.LO2026
Pregroup representable expansions of residuated lattices
Andrew Craig, Claudette Robinson
Group representable relation algebras play an important role in the study of representable relation algebras. The class of distributive involutive FL-algebras (DInFL-algebras) gene…
cs.LO2026
Contractions of quasi relation algebras and applications to representability
Andrew Craig, Wilmari Morton, Claudette Robinson
Quasi relation algebras (qRAs) were first described by Galatos and Jipsen in 2013. They are generalisations of relation algebras and can also be viewed as certain residuated lattic…
cs.LO2025
Duality theory and representations for distributive quasi relation algebras and DInFL-algebras
Andrew Craig, Peter Jipsen, Claudette Robinson
We develop dualities for complete perfect distributive quasi relation algebras and complete perfect distributive involutive FL-algebras. The duals are partially ordered frames with…