Wikipedia:WikiProject Mathematics/List of mathematics articles (U)

U

U-duality -- U-quadratic distribution -- U-statistic -- UCT Mathematics Competition -- Ugly duckling theorem -- Ulam numbers -- Ulam spiral -- Ultraconnected space -- Ultrafilter -- Ultrafinitism -- Ultrahyperbolic wave equation -- Ultralimit -- Ultrametric space -- Ultraparallel theorem -- Ultraproduct -- Ultrastrong topology -- Ultraweak topology -- Umbilic torus -- Umbilical point -- Umbral calculus -- Umbrella sampling -- Unary coding -- Unary function -- Unary numeral system -- Unary operation -- Unbiased estimation of standard deviation -- Unbounded system -- Uncertainty -- Uncertainty principle -- Uncertainty quantification -- Uncle Petros and Goldbach's Conjecture -- Unconditional convergence -- Uncorrelated -- Uncorrelated asymmetry -- Uncountable set --

Und

Undecidable -- Undecidable problem -- Undecimal -- Undergraduate Texts in Mathematics -- Undulating number -- Unduloid -- Unexpected hanging paradox -- Unfoldable cardinal -- Unfolding -- Unicode Geometric Shapes -- Unicode numerals -- Unicoherent -- Unification -- Uniform 1 k2 polytope -- Uniform 2 k1 polytope -- Uniform absolute continuity -- Uniform algebra -- Uniform antiprismatic prism -- Uniform boundedness -- Uniform boundedness principle -- Uniform coloring -- Uniform continuity -- Uniform convergence -- Uniform-cost search -- Uniform distribution (continuous) -- Uniform distribution (discrete) -- Uniform great rhombicosidodecahedron -- Uniform great rhombicuboctahedron -- Uniform integrability -- Uniform isomorphism -- Uniform norm -- Uniform Polychora Project -- Uniform polychoron -- Uniform polyhedron -- Uniform polyhedron compound -- Uniform polytope -- Uniform price auction -- Uniform property -- Uniform space -- Uniform tessellation -- Uniform theory of diffraction -- Uniform tiling -- Uniform tilings in hyperbolic plane -- Uniform tree -- Uniformizable space -- Uniformization -- Uniformization (set theory) -- Uniformization theorem -- Uniformly Cauchy sequence -- Uniformly connected space -- Uniformly convex space -- Uniformly hyperfinite algebra -- Uniformly most powerful test -- Unifying theories in mathematics -- Unimodal function -- Unimodular -- Unimodular form -- Unimodular lattice -- Unimodular matrix -- Union (set theory) -- Union-closed sets conjecture -- Unipotent -- Unique factorization domain -- Unique negative dimension -- Unique prime -- Unique sink orientation -- Uniquely colorable graph -- Uniqueness quantification -- Uniqueness theorem -- Unistable polyhedron -- Unistochastic matrix -- Unit (ring theory) -- Unit circle -- Unit cube -- Unit disk -- Unit disk graph -- Unit distance graph -- Unit fraction -- Unit function -- Unit interval -- Unit measure -- Unit ring -- Unit root -- Unit root test -- Unit sphere -- Unit square -- Unit tangent bundle -- Unit vector -- Unit-weighted regression -- Unital -- Unitarian trick -- Unitary divisor -- Unitary equivalence -- Unitary group -- Unitary matrix -- Unitary method -- Unitary operator -- Unitary perfect number -- Unitary representation -- Unitary transformation -- United Kingdom Mathematics Trust -- United States of America Mathematical Olympiad -- United States of America Mathematical Talent Search -- Unitized risk -- Units conversion by factor-label -- Unity amplitude -- Univalent function -- Univariate -- Universal algebra -- Universal algebraic geometry -- Universal approximation theorem -- Universal bundle -- Universal C*-algebra -- Universal coefficient theorem -- Universal composability -- Universal enveloping algebra -- Universal graph -- Universal instantiation -- Universal property -- Universal quantification -- Universal set -- Universality (dynamical systems) -- Universally measurable set -- Universe (mathematics) -- University of Chicago School Mathematics Project -- University of Houston College of Natural Sciences and Mathematics -- University of Minnesota Talented Youth Mathematics Program -- University of Waterloo Faculty of Mathematics --

Unk

Unknot -- Unknotting problem -- Unknown unknown -- Unlink -- Unreasonable ineffectiveness of mathematics -- Unrooted tree path lengths -- Unsolved problems in computer science -- Unsolved problems in mathematics -- Unsolved Problems in Number Theory -- Unsolved problems in statistics -- Unstructured grid -- Untouchable number -- Unusual number -- Up to -- Uplift modelling -- Upper and lower bounds -- Upper and lower probabilities -- Upper convected time derivative -- Upper half-plane -- Upper set -- Upper topology -- Upwind scheme -- Urelement -- Urn problem -- Urnfield culture numerals -- Urysohn's lemma -- Usage analysis -- Uses of trigonometry -- Utility maximization problem -- Utilization -- Utilization distribution --

Utm

Utm theorem -- Utpala -- UV fixed point --