EntityQ2835957· pop 8· linked from 154 articlescomposition algebraSign in to savenot necessarily associative algebraConnectionsWilliam Rowan HamiltonEntityoctonionEntityalgebra over a fieldEntityBicomplex numberEntitynull vectorEntitymathematicsEntityLeonhard EulerEntityInternational Standard Book NumberEntitycomplex numberEntitylinear algebraEntityreal numberEntitydigital object identifierEntityInternational Standard Serial NumberEntitygroupEntityvector spaceEntitygroup theoryEntityDiophantus of AlexandriaEntityquaternionEntityringEntityfieldEntityCategoriesComposition algebrasHistory of quaternionsQuadratic forms