EntityQ1500617· pop 18· linked from 369 articlesunitary groupSign in to savegroup of unitary matricesConnectionsgroup of Lie typeEntityLie groupEntitykernelEntitytopological groupEntityorthogonal groupEntityreductive groupEntitymathematicsEntityphysicsEntityInternational Standard Book NumberEntitycircleEntitycomplex numberEntityintegerEntityHenri PoincaréEntityreal numberEntitydigital object identifierEntitymatrixEntitygroupEntityvector spaceEntitygroup theoryEntityabsolute valueEntityCategoriesLie groups