# New in *MathWorld* -- May
2004

### Monday May 31, 2004

- Chvátal Graph (modified)
- Cylinder (modified)
- Cylinder Surface
- Foster Graph (modified)
- Frucht Graph (modified)
- General Cylinder
- Generalized Cylinder (modified)
- Graphical Partition (modified)
- Grötzsch Graph (modified)
- Klein Bottle (modified)
- Prism (modified)
- Real Projective Plane (modified)
- Strongly Binary Tree (modified)
- Torus (modified)

### Saturday May 29, 2004

- Forest (modified)

### Thursday May 27, 2004

- Binary Tree (modified)

### Wednesday May 26, 2004

- Equianharmonic Case (modified)
- Euler Product (modified)
- omega_2 Constant (modified)
- Orthocentroidal Circle (modified)
- p-adic Integer
- Poincaré Hyperbolic Disk (modified)
- Pseudolemniscate Case (modified)
- Serpentine Curve (modified)

### Tuesday May 25, 2004

- Abstract Algebra (modified)
- Algebra (modified)
- Arithmetic (modified)
- Cassini Ovals (modified)
- Commutative Algebra (modified)
- Conchoid of de Sluze (modified)
- Conchoid of Nicomedes (modified)
- Congruence Equation (modified)
- Devil's Curve (modified)
- Epicycloid (modified)
- Epispiral (modified)
- Exponential Distribution (modified)
- Hyperbola (modified)
- Lemniscate Case (modified)
- Linear Congruence Equation (modified)
- Lituus (modified)
- Multivariable Calculus
- Multivariate Analysis (modified)
- Multivariate Calculus

### Thursday May 20, 2004

- Airy Functions (modified)
- Fourier Series--Semicircle (modified)
- Modified Spherical Bessel Function of the First Kind (modified)
- Modified Spherical Bessel Function of the Second Kind (modified)

### Wednesday May 19, 2004

- Cyclic Group (modified)
- Euler Product (modified)
- Lie Group (modified)
- Modified Spherical Bessel Function of the First Kind
- Modified Spherical Bessel Function of the Second Kind
- Modified Spherical Bessel Function of the Third Kind
- Spherical Modified Bessel Function of the First Kind
- Spherical Modified Bessel Function of the Second Kind

### Tuesday May 18, 2004

- Bernoulli Number (modified)
- Class Number (modified)
- Monstrous Moonshine
- Power Sum (modified)

### Monday May 17, 2004

- Euler Product (modified)
- Fermat's Last Theorem (modified)
- Fourier Series (modified)
- Möbius Function (modified)

### Saturday May 15, 2004

### Friday May 14, 2004

- Bernoulli Number (modified)
- Fermat's Last Theorem (modified)

### Thursday May 13, 2004

- Chebotarev Density Theorem
- Class Number (modified)

### Wednesday May 12, 2004

- Algebraic Equation (modified)
- Butterfly Curve (modified)
- Class Equation (modified)
- Class Number (modified)
- Merit Function (modified)
- Nordstrand's Weird Surface (modified)
- Ore Algebra
- Polynomial Roots (modified)

### Tuesday May 11, 2004

- Abelian Category (modified)
- Additive Category
- Algebraic Equation
- Class Number (modified)
- Freyd's Theorem
- Initial Object
- Lissajous Curve (modified)
- Product (modified)
- Terminal Object

### Saturday May 8, 2004

- Perfect Number (modified)

### Friday May 7, 2004

- Base (modified)
- Convergent (modified)
- Decimal Expansion (modified)
- Divisor (modified)
- Domain (modified)
- Graph (modified)
- Hilbert Space (modified)
- Inner Product
- Inner Product Space (modified)
- Real Vector Space

### Thursday May 6, 2004

- Aggregate (modified)
- Class Equation
- Collection
- Figure-of-Merit Function
- Fundamental Theorem of Galois Theory (modified)
- Homogeneous Linear Ordinary Differential Equation with Constant Coefficients
- Inhomogeneous Linear Ordinary Differential Equation with Constant Coefficients
- Lusin's Theorem (modified)
- Merit Function
- Surface Area (modified)

### Wednesday May 5, 2004

- Abstract Topological Space (modified)
- Angle Addition Formulas
- Differentiation Under the Integral Sign
- Fundamental Theorem of Galois Theory (modified)
- Harmonic Addition Theorem (modified)
- k-Tuple
- Singular Point (modified)
- Spider and Fly Problem (modified)
- Stanley-Wilf Conjecture (modified)
- Topological Space (modified)
- Vertical Perspective Projection (modified)

### Monday May 3, 2004

- Artin Map
- Artin Symbol
- Class Field Theory
- Euler's Rule (modified)
- Formula (modified)
- Hilbert Class Field
- Presheaf
- Tractrix Radial Curve (modified)
- Trident of Descartes (modified)
- Trochoid (modified)
- Tschirnhausen Cubic (modified)
- Watt's Curve (modified)

### Sunday May 2, 2004

- Curtate Cycloid (modified)
- Nephroid (modified)
- Ophiuride (modified)
- Parabola Inverse Curve (modified)
- Pear Curve (modified)
- Pear-Shaped Curve (modified)
- Plateau Curves (modified)
- Poinsot's Spirals (modified)
- Quadrifolium Catacaustic
- Right Strophoid Inverse Curve (modified)
- Sici Spiral (modified)
- Sinusoidal Spiral (modified)
- Sinusoidal Spiral Pedal Curve (modified)
- Swastika Curve (modified)

### Saturday May 1, 2004

- Hypotrochoid (modified)
- Kappa Curve (modified)
- Lemniscate (modified)
- Nielsen's Spiral (modified)
- Piriform Curve (modified)
- Poincaré Section
- Trefoil Curve (modified)

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