List of Theorems - J

J

• Jackson's theorem (queueing theory)
• Jacobi's four-square theorem (number theory)
• Jacobson density theorem (ring theory)
• Jacobson–Morozov theorem (Lie algebra)
• Japanese theorem for concyclic polygons (Euclidean geometry)
• Japanese theorem for concyclic quadrilaterals (Euclidean geometry)
• John’s theorem (geometry)
• Jordan curve theorem (topology)
• Jordan–Hölder theorem (group theory)
• Jordan–Schönflies theorem (geometric topology)
• Jordan–Schur theorem (group theory)
• Jordan's theorem (multiply transitive groups) (group theory)
• Jung's theorem (geometry)
• Jurkat–Richert theorem (analytic number theory)