New in MathWorld -- March 2003
Monday March 31, 2003
- Prime Gaps (modified)
- Standard Deviation (modified)
- Variance (modified)
Sunday March 30, 2003
- M'Cay Cubic (modified)
Saturday March 29, 2003
- (0,1)-Matrix (modified)
- (-1,0,1)-Matrix (modified)
- (-1,1)-Matrix (modified)
- Hadamard's Maximum Determinant Problem (modified)
- Many-One Complete
- One-One Complete
- Soddy Circles (modified)
- Spheroid (modified)
- Tangent Spheres (modified)
Friday March 28, 2003
- Barycentric Coordinates (modified)
- Brocard Axis (modified)
- Central Line
- Congruent Squares Point
- Contrapedal Curve (modified)
- de Longchamps Line
- Euler-Gergonne-Soddy Triangle
- Euler Line (modified)
- Evans Point (modified)
- First Eppstein Point (modified)
- Focal Pair
- Gergonne Line (modified)
- Golay Code
- Griffiths Points (modified)
- Hamiltonian Cycle (modified)
- Hamiltonian Graph (modified)
- Hamiltonian Path (modified)
- Homogeneous Barycentric Coordinates (modified)
- Kenmotu Point
- Line at Infinity (modified)
- Nobbs Points (modified)
- Number Field Order
- Oldknow Points (modified)
- Orthic Axis (modified)
- Perfect Code
- Picard Group
- Rigby Points (modified)
- Second Eppstein Point (modified)
- Soddy Line (modified)
- Soddy Triangles
- Triangle Line
Thursday March 27, 2003
- 10 Pins
- Arbelos (modified)
- Bowling (modified)
- Connected Sum (modified)
- Counter Points
- Fletcher Point (modified)
- Gegenpunkte (modified)
- Hypocycloid (modified)
- Isogonal Conjugate (modified)
- Lemoyne's Theorem (modified)
- Nobbs Points (modified)
- Pappus Chain (modified)
- Quadratrix of Hippias (modified)
- Seventeen-Point Cubic (modified)
- Ten Pins
- Thomson Cubic (modified)
- Tusi Couple
- Weill Point (modified)
Wednesday March 26, 2003
- Binomial Sums (modified)
- Cardioid (modified)
- Creative Set
- Encoding (modified)
- Euler-Mascheroni Constant (modified)
- Fibonacci Number (modified)
- Fractional Fourier Transform (modified)
- Gödel Number (modified)
- Goldbach Conjecture (modified)
- Hyperbola (modified)
- Hypocycloid (modified)
- Iteration Theorem
- Kleene's Recursion Theorem
- Kleene's s-m-n Theorem
- Parabola (modified)
- Productive Set
- Recursion Theorem
- Recursively Enumerable Set
- Recursively Isomorphic
- Recursive Set
- Reducible
- Rice's Theorem
Tuesday March 25, 2003
- Boolean Arithmetic
- Cardioid (modified)
- Clock Arithmetic (modified)
- Completely Positive Matrix
- Copositive Matrix
- Cycloid (modified)
- Doubly Nonnegative Matrix
- Fibonacci Number (modified)
- Modular Arithmetic
- Nonstandard Analysis (modified)
- Nonstandard Methods
- Ultraproduct
- Yahtzee (modified)
Monday March 24, 2003
- Bevan Point (modified)
- Cayley-Menger Determinant (modified)
- Chevalley's Theorem (modified)
- Chevalley-Waring Theorem
- External Similitude Center
- Fermat Points (modified)
- Heronian Tetrahedron (modified)
- Heronian Triangle (modified)
- Heron's Formula (modified)
- Internal Similitude Center
- Łoś' Theorem (modified)
Sunday March 23, 2003
- 17-Point Cubic
- Apollonian Circle
- Brocard Geometry
- Circum-Ellipse
- Circumellipse
- Drehpunkt
- Gegenpunkte
- Isogonic Points
- Lemoine-Brocard Geometry
- Lemoine Geometry
- Lemoyne's Theorem
- M'Cay Cubic
- Orthology Center
- Second Lemoine Circle
- Seventeen-Point Cubic
- Steiner Angles
- Tangent Triangle
- Thomson Cubic
- Triangle Cubic
- Weill Point
- Weill's Theorem (modified)
Saturday March 22, 2003
- Sum of Squares Function (modified)
Friday March 21, 2003
- Alexander's Horned Sphere (modified)
- Class Group
- Harmonic Conjugate (modified)
- Rössler Attractor (modified)
- Truncation (modified)
Thursday March 20, 2003
- Absolutely Normal (modified)
- Angle Trisection (modified)
- Bevan Point
- Checkerboard (modified)
- Checkers (modified)
- Chessboard (modified)
- Circle (modified)
- Conchoid of Nicomedes (modified)
- Cycloid of Ceva
- Monge's Circle Theorem (modified)
- Rose Curve (modified)
- Trisection (modified)
- Varignon Parallelogram (modified)
Wednesday March 19, 2003
- 0-Connected
- 1-Connected
- Abelian Function (modified)
- Bin-Packing Problem (modified)
- Chaos Game (modified)
- Circumnormal Triangle (modified)
- Circumtangential Triangle (modified)
- e (modified)
- Elliptic Cylindrical Coordinates (modified)
- Fontené Theorems (modified)
- Modular Prime Counting Function
- Multinomial Coefficient (modified)
- Prime Counting Function (modified)
- Scale Factor (modified)
- Thurston Elliptization Conjecture (modified)
Tuesday March 18, 2003
- AKS Primality Test
- BCI Triangle (modified)
- Borel-Cantelli Lemma (modified)
- Braid Word (modified)
- Cardioid (modified)
- Cyclotomic AKS Test
- Feigenbaum-Cvitanović Functional Equation (modified)
- Hénon Map (modified)
- Hofstadter-Conway $10,000 Sequence (modified)
- Indeterminate (modified)
- Primality Test (modified)
- Riemann Prime Counting Function (modified)
- Riemann Prime Number Formula (modified)
Monday March 17, 2003
- Absolutely Normal
- Apéry's Constant (modified)
- Braid (modified)
- Brier Number
- Dense (modified)
- Diophantine Equation (modified)
- Erdős-Turán Discrepancy Bound
- Gödel Number (modified)
- Graham's Number (modified)
- Hamming Distance
- Hénon Map (modified)
- Hypercube Line Picking (modified)
- Natural Logarithm of 2 (modified)
- Normal Number (modified)
- Pythagoras's Constant (modified)
- Recursively Undecidable
- Simpson's Rule (modified)
- Stoneham Number
- Zero (modified)
Sunday March 16, 2003
- Graph Coarseness
- Yff Central Triangle (modified)
Saturday March 15, 2003
- Bold Conjecture
- Brace (modified)
- Ceiling Function (modified)
- Graph Genus (modified)
- Perspective Center (modified)
- Perspector (modified)
- Perspectrix (modified)
Friday March 14, 2003
- Antipedal Triangle (modified)
- Associative Magic Square (modified)
- BCI Triangle (modified)
- Cardioid (modified)
- Circum-Orthic Triangle (modified)
- Convex Polyomino (modified)
- Enumerate (modified)
- Feigenbaum-Cvitanović Functional Equation
- Feigenbaum Function (modified)
- Feuerbach Triangle (modified)
- Fontené Theorems (modified)
- Lehmer's Phenomenon (modified)
- Magic Square (modified)
- Mock Theta Function (modified)
- Nephroid (modified)
- Panmagic Square (modified)
- Parallelogram Polyomino
- Prime Counting Function (modified)
- Prime Difference Function (modified)
- Riemann Prime Counting Function (modified)
- Row-Convex Polyomino (modified)
- Stack Polyomino (modified)
- Strange Attractor (modified)
- Tangential Mid-Arc Triangle (modified)
Thursday March 13, 2003
- Cyclic Group (modified)
- Gauss-Seidel Method (modified)
- Lozi Map (modified)
- Magic Square (modified)
- Magnetic Pole Differential Equation (modified)
- Modulo Multiplication Group (modified)
- Sylvester's Line Problem (modified)
Wednesday March 12, 2003
- Chi-Squared Distribution (modified)
- Class Number (modified)
- Lucas Chain
- Magic Tour (modified)
- Sine-Triple-Angle Circle (modified)
- Triangle (modified)
- Triangle Square Inscribing
Tuesday March 11, 2003
- DivisorSigma
- Ellipse Evolute (modified)
- Fountain (modified)
- Parabola Evolute (modified)
- Puiseux Series (modified)
- Tractrix Evolute (modified)
Monday March 10, 2003
- Fractional Integral (modified)
- Half-Altitude Triangle (modified)
- Lagrange Bracket (modified)
- Mittag-Leffler Function (modified)
- Nullspace (modified)
- Null Space (modified)
- Poisson Bracket (modified)
- Riemann-Liouville Operator
Sunday March 9, 2003
- Antipedal Triangle (modified)
- Extangents Triangle (modified)
- Identity Matrix (modified)
- Inverse Nome (modified)
- Pedal Triangle (modified)
Saturday March 8, 2003
- Brianchon Point (modified)
- Chinese Congruence
- Chinese Hypothesis (modified)
- de Longchamps Ellipse
- Eppstein Points
- Evans Conic
- First Eppstein Point
- Inellipse
- Lemoine Inellipse
- MacBeath Inconic
- Mandart Inellipse
- Orchard-Planting Problem (modified)
- Second Eppstein Point
- Soddy Circles (modified)
- Stammler Hyperbola
- Steiner Circumellipse (modified)
- Steiner Ellipse
- Steiner Inellipse
- Sylvester-Gallai Theorem
- Sylvester's Line Problem (modified)
Friday March 7, 2003
- Brianchon Point (modified)
- Feuerbach Hyperbola (modified)
- Kiepert Hyperbola (modified)
- Original Triangle
- Reference Triangle (modified)
Thursday March 6, 2003
- q-Series (modified)
- q-Series Identities
Tuesday March 4, 2003
Monday March 3, 2003
- Circle-Circle Tangents (modified)
- Excircle-Enclosing Triangle (modified)
- Extangent
- Extangents Triangle (modified)
- Intangent
- Intangents Triangle
Sunday March 2, 2003
- BCI Triangle
- First Morley Triangle (modified)
- Half-Altitude Triangle (modified)
- Hexyl Triangle
- Mid-Arc Triangle
- Morley's Triangle (modified)
- Reference Triangle
- Tangential Mid-Arc Triangle
- Yff Central Triangle (modified)
Saturday March 1, 2003
- Euler Triangle (modified)
- Robbins Constant
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