Idempotents in the endomorphism algebra of a finite lattice

Jacques Thévenaz, Serge Bouc
2021
Article

Résumé

We give a direct construction of a specific central idempotent in the endomorphism algebra of a finite lattice T. This idempotent is associated with all possible sublattices of T which are totally ordered. A generalization is considered in a conjectural fashion and proved experimentally to hold in many cases.

Source officielle

https://infoscience.epfl.ch/record/290040?ln=fr

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