EntityQ2851437· pop 5· linked from 35 articlessemisimple algebraSign in to saveAssociative Artinian algebra with a trivial Jacobson radicalConnectionsCartesian productEntityfieldEntityidealEntitymoduleEntityring theoryEntityEmil ArtinEntityalgebra over a fieldEntityassociative algebraEntityartinian ringEntityJoseph WedderburnEntityArtin–Wedderburn theoremEntityJacobson radicalEntitycomposition seriesEntitysimple ringEntitysemisimple moduleEntitydivision algebraEntityidempotent elementEntitynilpotent idealEntityCategoriesAlgebras