EntityQ2746792· pop 17· linked from 665 articlesnoncommutative geometrySign in to savemathematical theory in which noncommutative algebraic structures are interpreted as rings of functions on an abstract spaceConnectionsparallelogramEntitydimensionEntitynon-Euclidean geometryEntitycompass and straightedge constructionEntityspherical trigonometryEntitysymplectic geometryEntitymathematicsEntityRené DescartesEntityArchimedesEntitygeometryEntityPythagorasEntityEuclidEntityCarl Friedrich GaussEntityBlaise PascalEntityLeonhard EulerEntitytriangleEntityquantum mechanicsEntityareaEntityInternational Standard Book NumberEntityOmar KhayyámEntityCategoriesConnection (mathematics)Differential geometryMathematical quantizationNoncommutative geometryQuantum gravity