EntityQ2895315· pop 5· linked from 45 articlesvon Neumann regular ringSign in to saverings admitting weak inversesConnectionsmoduleEntitydivision ringEntityzbMATH OpenEntityregular local ringEntityidempotent elementEntitymathematicsEntityInternational Standard Book NumberEntityJohn von NeumannEntitydigital object identifierEntityvector spaceEntityringEntityQ180686EntityfieldEntitybibcodeEntityQ118398EntityQ229883EntityGaussian eliminationEntityidentity matrixEntityidealEntityrankEntityCategoriesJohn von NeumannRing theory