Le principe de trialite, le principe d'interaction et les algebres de Lie graduees orthosymplectiques
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The aim is to give a logical foundation to introduce graded Lie algebras used in mathematical physics in the unified bosonic-fermionic schemes. A weak triality principle, is convenient to define several graded Lie algebras connected with the minkowskian and the conformo-minkowskian geometry. The basic notions and tools are Clifford algebras and spinors in the modern approach. We develop a systematic method giving naturally many graded Lie algebras, become very popular in the last decennary.
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