New in MathWorld -- December 1999
Friday December 31, 1999
Thursday December 30, 1999
Wednesday December 29, 1999
- Abelian Theorem
- Biased Estimator
- Canonical Polygon
- Chebyshev Functions
- Conjugate Partition
- Enumerate
- Eulerian Graph
- Graph (modified)
- Graphic Sequence
- k-Connected Graph
- Logarithmic Series
- Perfect Graph
- Perron's Formula
- Pillai's Theorem
- Planar Connected Graph
- Polynema
- Riemann Zeta Function zeta(2)
- Round Number
- Self-Complementary Graph
- Self-Conjugate Partition
- Strongly Connected Digraph
- Two-Graph
- Unbiased Estimator
- Weakly Connected Digraph
Monday December 20, 1999
Friday December 17, 1999
Thursday December 16, 1999
- 6-Sphere Coordinates
- Bicyclide Coordinates
- Cap-Cyclide Coordinates
- Cardioid Coordinates
- Disk-Cyclide Coordinates
- Egyptian Number
- Helmholtz Differential Equation--Bispherical Coordinates
- Heptahedral Graph
- Inverse Oblate Spheroidal Coordinates
- Inverse Prolate Spheroidal Coordinates
- Orthogonal Coordinate System
- Pentahedral Graph
- Pentahedron
- Pseudo-Euclidean Space
- Pseudo-Riemannian Manifold
- Skew Coordinate System
- Tangent-Sphere Coordinates
Wednesday December 15, 1999
Thursday December 9, 1999
Wednesday December 8, 1999
Tuesday December 7, 1999
Sunday December 5, 1999
Friday December 3, 1999
Thursday December 2, 1999
Wednesday December 1, 1999
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