New in MathWorld -- September 2003

Tuesday September 30, 2003

Biggs-Smith Graph (modified)
Coxeter Graph (modified)
Desargues Graph (modified)
Distance-Regular Graph (modified)
Graph Spectrum (modified)
Hoffman Graph
Hypergeometric Function (modified)
Isospectral Graphs
Relatively Prime (modified)
Squarefree (modified)
Squareful (modified)

Monday September 29, 2003

Sunday September 28, 2003

Catalan's Constant (modified)
Circle Map (modified)
Continued Fraction (modified)
e (modified)
Euler-Mascheroni Constant (modified)
Golden Ratio (modified)
Grothendieck's Constant (modified)
Pi (modified)
Simple Continued Fraction (modified)

Saturday September 27, 2003

Dodecahedron (modified)
Fourier Series--Triangle Wave (modified)
Woodbury Formula (modified)

Friday September 26, 2003

Cubic Symmetric Graph (modified)
Discrete Fourier Transform (modified)
Foster Graph (modified)
Fourier Series--Sawtooth Wave (modified)
Khinchin Harmonic Mean (modified)
Normal Vector (modified)
Tangent Vector (modified)

Thursday September 25, 2003

Wednesday September 24, 2003

Baby Monster Group (modified)
Conway Groups (modified)
e (modified)
Fischer Groups (modified)
Fourier Series--Sawtooth Wave (modified)
Harada-Norton Group (modified)
Held Group (modified)
Higman-Sims Group (modified)
Horowitz Reduction
Janko Groups (modified)
Lyons Group (modified)
Mathieu Groups (modified)
McLaughlin Group (modified)
Monster Group (modified)
O'Nan Group (modified)
Pentagram (modified)
Poincaré Hyperbolic Disk (modified)
Rudvalis Group (modified)
Simple Group (modified)
Sporadic Group (modified)
Suzuki Group (modified)
Thompson Group (modified)

Tuesday September 23, 2003

Isotropic Tensor (modified)
Permutation Symbol (modified)
Permutation Tensor (modified)

Monday September 22, 2003

Clebsch-Gordan Coefficient (modified)
Permutation Symbol (modified)
Stirling Number of the First Kind (modified)
Stirling Number of the Second Kind (modified)

Saturday September 20, 2003

Icosahedron Stellations (modified)

Friday September 19, 2003

Computational Irreducibility (modified)

Monday September 15, 2003

King Graph (modified)
Singular Value (modified)
Singular Value Decomposition (modified)

Sunday September 14, 2003

Prime Products (modified)

Saturday September 13, 2003

Friday September 12, 2003

Complex Polynomial
Continued Fraction Constants (modified)
Pentagonal Square Triangular Number (modified)
Ramanujan-Nagell Equation
Ramanujan's Square Equation (modified)
Squarefree (modified)
Tetrahedral Group (modified)

Thursday September 11, 2003

Wednesday September 10, 2003

Tuesday September 9, 2003

Monday September 8, 2003

Alternating Group (modified)
Cyclic Group (modified)
Dihedral Group (modified)
Feigenbaum Function (modified)
Pentagonal Square Triangular Number (modified)
Quaternion Group (modified)
Symmetric Group (modified)

Sunday September 7, 2003

Cubic Group
Cyclic Group C_2 (modified)
Cyclic Group C_3 (modified)
Cyclic Group C_4 (modified)
Cyclic Group C_5 (modified)
Cyclic Group C_6 (modified)
Cyclic Group C_7 (modified)
Cyclic Group C_8 (modified)
Dihedral Group D_3 (modified)
Dihedral Group D_4 (modified)
Dihedral Group D_5 (modified)
Finite Group C_2×C_2 (modified)
Finite Group C_2×C_2×C_2 (modified)
Finite Group C_2×C_4 (modified)
Icosahedral Group (modified)
Octahedral Group (modified)
Point Group C_1
Tetrahedral Group (modified)

Saturday September 6, 2003

(0,1)-Matrix (modified)
Acyclic Digraph (modified)
Cyclic Group C_6 (modified)
Cyclic Group C_7 (modified)
Norm (modified)
Positive Eigenvalued Matrix (modified)
Single Bar

Friday September 5, 2003

Graph (modified)
Hypersphere (modified)
Hypersphere Point Picking (modified)
Impossible Box
Sphere (modified)

Thursday September 4, 2003

Even Number (modified)
Fermat-Catalan Conjecture (modified)
Grossman's Constant (modified)
Octahedron (modified)
Odd Number (modified)
Partition Function P Congruences (modified)
Pentagonal Square Triangular Number (modified)

Wednesday September 3, 2003

Tuesday September 2, 2003

Barnes G-Function (modified)
Cyclic Group (modified)
Dihedral Group (modified)
Double Bar (modified)
Finite Group C_2×C_2 (modified)
Finite Group C_2×C_2×C_2 (modified)
Finite Group C_2×C_4 (modified)
Inclusion-Exclusion Principle (modified)
Quaternion Group (modified)
Symmetric Group (modified)
Trivial Group (modified)

Monday September 1, 2003

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