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math.QA2025
Involutive root-graded Lie algebras and Lie tori of type
Saeid Azam, Mehdi Izadi Farhadi
We investigate the concept of a ``Chevalley involution'' within the framework of root-graded Lie algebras with compatible grading. We provide a characterization of all centerless L…
math.QA2021
Integral structures in extended affine Lie algebras
Saeid Azam, Amir Farahmand Parsa, Mehdi Izadi Farhadi
We construct certain integral structures for the cores of reduced tame extended affine Lie algebras of rank at least 2. One of the main tools to achieve this is a generalization of…