New in MathWorld -- January 2009
Saturday January 31, 2009
- Linear Equation (modified)
Friday January 30, 2009
- Infinite Cosine Product Integral (modified)
- Interprime (modified)
- Inverse Function Theorem (modified)
- Inverse Gaussian Distribution (modified)
- Inverse Nome (modified)
- Irrationality Measure (modified)
- Isoconjugation (modified)
- Jensen's Inequality (modified)
- Jessen's Orthogonal Icosahedron (modified)
- Jung's Theorem (modified)
- Kelvin's Conjecture (modified)
- Kempner Series (modified)
- Kissing Number (modified)
- Klein Quartic (modified)
- Kobon Triangle (modified)
- Landau-Ramanujan Constant (modified)
- Langton's Ant (modified)
- Outer Soddy Circle (modified)
- Paulus Graphs (modified)
- Reciprocal Conjugation (modified)
Thursday January 29, 2009
- e (modified)
- Euler Formula (modified)
- Helmholtz Differential Equation--Confocal Ellipsoidal Coordinates (modified)
- Hyperbolic Dodecahedron (modified)
- Hyperbolic Knot (modified)
- Hyperbolic Plane (modified)
- Hypersphere Packing (modified)
- i (modified)
- Icosahedral Graph (modified)
- Identity Graph (modified)
- Ill-Defined (modified)
- Ill-Posed
- Impossible Fork (modified)
- Poiuyt
Wednesday January 28, 2009
- Conjunction (modified)
- Disjunction (modified)
- Giraffe Graph (modified)
- Glove Problem (modified)
- Golay Code (modified)
- Goldbach Conjecture (modified)
- Goldbach Partition (modified)
- Goldbach's Comet
- Golden Rhombohedron (modified)
- Golomb Ruler (modified)
- Graph Crossing Number (modified)
- Grassmannian (modified)
- Hamilton-Connected Graph (modified)
- Hamiltonian Path (modified)
- Hankel Matrix (modified)
- Harmonic Addition Theorem (modified)
- Heesch Number (modified)
- Hénon Map (modified)
- Hilbert's Problems (modified)
- Hoffman-Singleton Theorem (modified)
- Laplace Equation--Confocal Ellipsoidal Coordinates
- Laplace Equation--Conical Coordinates
Tuesday January 27, 2009
- Cube Line Picking (modified)
- Euclid's Lemma
- Fundamental Unit (modified)
- Gaussian Integer (modified)
- Gaussian Prime (modified)
- Gauss's Lemma (modified)
- Generalized Fermat Number (modified)
- Genus (modified)
- Geometric Centroid (modified)
- NumberFieldFundamentalUnits
Monday January 26, 2009
- Fiveleaper Graph (modified)
Sunday January 25, 2009
- Beal's Conjecture (modified)
- Ellipsoid (modified)
- Elliptic Argument (modified)
- Elliptic Curve Factorization Method (modified)
- Entire Function (modified)
- Entringer Number (modified)
- Equidecomposable (modified)
- Escher's Solid (modified)
- Eulerian Circuit (modified)
- Eulerian Cycle (modified)
- Eulerian Path (modified)
- Eulerian Walk
- Euler Line (modified)
- Euler Number (modified)
- Euler Path (modified)
- Euler's Sum of Powers Conjecture (modified)
- Face (modified)
- Family (modified)
- Feigenbaum Constant Approximations (modified)
- Fermat-Catalan Conjecture (modified)
- Fermat Points (modified)
- Fermat's Last Theorem (modified)
- Hamiltonian Circuit (modified)
- Hamiltonian Cycle (modified)
- Jacobi Amplitude (modified)
- Ramanujan g- and G-Functions (modified)
- Space-Filling Polyhedron (modified)
- Tijdeman-Zagier Conjecture
- Triangle Ellipse Inscribing
- Weber Functions (modified)
Saturday January 24, 2009
- Dirichlet Divisor Problem (modified)
- Disk Covering Problem (modified)
- Dissection (modified)
- Divergence Theorem (modified)
- Divisibility Tests (modified)
- Divisor Product (modified)
- Dottie Number (modified)
- Doublestruck (modified)
- Dual Number (modified)
- e Approximations (modified)
- Efron's Dice (modified)
- Elliptic Curve Primality Proving (modified)
- Gauss-Ostrogradsky Theorem
- Gauss's Circle Problem (modified)
- Integer Sequence Primes (modified)
- Mills' Constant (modified)
- Mills' Prime (modified)
- Prime Knot (modified)
- Probability Density Function (modified)
Friday January 23, 2009
- Anger Function (modified)
- Coversine (modified)
- Diophantine Equation--3rd Powers (modified)
- Diophantine Equation--8th Powers (modified)
- Diophantus Property (modified)
- Entire Function (modified)
- Haversine (modified)
- Heilbronn Triangle Problem (modified)
Thursday January 22, 2009
- Dawson's Integral (modified)
- Entire Function (modified)
Wednesday January 21, 2009
- Conservative Field (modified)
- Costas Array (modified)
- Decimal Comma (modified)
- Deltoidal Hexecontahedral Graph (modified)
- Difference Set (modified)
- Euler Angles (modified)
Tuesday January 20, 2009
- Bernoulli Number (modified)
Monday January 19, 2009
- Cubic Close Packing (modified)
- Graph Edge (modified)
- Graph Link
- Link (modified)
Sunday January 18, 2009
- Collatz Problem (modified)
- Collinear (modified)
- Commutative Monoid (modified)
- Compact Support (modified)
- Complete Quadrangle (modified)
- Conformal Mapping (modified)
- Cubic Lattice (modified)
- Cubic Number (modified)
- Cunningham Chain (modified)
- Folded Cube Graph (modified)
- FoxTrot Series (modified)
- Halved Cube Graph (modified)
Saturday January 17, 2009
- Bernoulli Number (modified)
- Biconnected Graph (modified)
- Binary Plot (modified)
- Binormal Vector (modified)
- Biquadratic Reciprocity Theorem (modified)
- Birkhoff's Theorem (modified)
- Bivariate Normal Distribution (modified)
- Book Stacking Problem (modified)
- Borel-Regularized Sum
- Borsuk's Conjecture (modified)
- Boundary Conditions (modified)
- Braid Group (modified)
- Buckyball
- Cabtaxi Number (modified)
- Cage Graph (modified)
- Carmichael's Totient Function Conjecture (modified)
- Catalan-Mersenne Number (modified)
- Catalan's Identity (modified)
- Categorical Game (modified)
- Category (modified)
- Cauchy Conditions
- Cauchy-Kovalevskaya Theorem (modified)
- Cauchy-Kowalewska Existence Theorem
- Cauchy-Riemann Equations (modified)
- Cauchy's Cosine Integral Formula (modified)
- Cayley Cubic (modified)
- Cayley Graph (modified)
- Checkers (modified)
- Chen's Theorem (modified)
- Cholesky Decomposition (modified)
- Circular Triangle (modified)
- Clebsch Graph (modified)
- Dobiński's Formula (modified)
- Double Series (modified)
- Empty Set (modified)
- Truncated Icosahedron (modified)
- Universal Set (modified)
Friday January 16, 2009
- 196-Algorithm (modified)
- Alhazen's Billiard Problem (modified)
- Angel Problem (modified)
- Anomalous Cancellation (modified)
- Cole Prize (modified)
Thursday January 15, 2009
- Almost Integer (modified)
- Apéry Number (modified)
- Toroidal Polyhedron (modified)
Sunday January 11, 2009
- Balaban 10-Cage (modified)
- Chvátal Graph (modified)
- Coxeter Graph (modified)
- Doyle Graph (modified)
- Icosahedral Graph (modified)
Saturday January 10, 2009
- Unicursal Circuit (modified)
- Vector Space (modified)
- Wallis Formula (modified)
- Wells Graph (modified)
- Whittaker Function (modified)
- Zagier's Identity (modified)
- Zeilberger-Bressoud Theorem (modified)
Friday January 9, 2009
- Truncated Tetrahedron (modified)
Monday January 5, 2009
- Truncated Octahedron (modified)
Sunday January 4, 2009
- Trigonometry Angles (modified)
- Trinomial Coefficient (modified)
Saturday January 3, 2009
- Trinomial Coefficient (modified)
- Truncated Cube (modified)
- Truncated Dodecahedral Graph (modified)
- Truncated Dodecahedron (modified)
- Truncated Icosahedron (modified)
- Utility Graph (modified)
- y-Axis (modified)
Friday January 2, 2009
- Erdős-Borwein Constant (modified)
- Tree Searching (modified)
- Triangular Cupola (modified)
- Triangular Dipyramid (modified)
- Triangular Prism (modified)
- Triaugmented Triangular Prism (modified)
Thursday January 1, 2009
- Cubical Graph (modified)
- Lambert Series (modified)
- Reciprocal Fibonacci Constant (modified)
- Reciprocal Lucas Constant
- Tesseract Graph (modified)
[ 2024 ▪ 2023 ▪ 2022 ▪ 2021 ▪ 2020 ▪ 2019 ▪ 2018 ▪ 2017 ▪ 2016 ▪ 2015 ▪ 2014 ▪ 2013 ▪ 2012 ▪ 2011 ▪ 2010 ▪ 2009 ▪ 2008 ▪ 2007 ▪ 2006 ▪ 2005 ▪ 2004 ▪ 2003 ▪ 2002 ▪ 2001 ▪ 2000 ▪ 1999 ]