EntityQ3532264· pop 5· linked from 6 articlesnoncommutative torusSign in to savefree unital C*-algebra generated by two generators U and V with UV=exp(iθ)VU, with θ irrationalConnectionsmathematicsEntityInternational Standard Book NumberEntitydigital object identifierEntityirrational numberEntitytorusEntityunit circleEntityAlain ConnesEntityunitary operatorEntityC*-algebraEntitynoncommutative geometryEntitybounded operatorEntitysquare-integrable functionEntityordered groupEntityMorita equivalenceEntitygroup cohomologyEntitygroup algebraEntityMarc RieffelEntitylinear fractional transformationEntitystateEntityCategoriesC*-algebrasNoncommutative geometryScience and technology articles needing translation from German Wikipedia