# New in *MathWorld* -- December
2007

### Monday December 31, 2007

- Elliptic Hyperboloid (modified)

### Saturday December 29, 2007

- Chang Graphs (modified)
- Cyclic Graph
- Eigenvalue (modified)
- Exact (modified)
- Graph Cycle (modified)
- Haar Graph (modified)
- Hamming Graph (modified)
- Johnson Graph
- Nørlund Polynomial (modified)
- Paley Graph (modified)
- Perkel Graph

### Sunday December 16, 2007

- Frucht Graph (modified)
- Unitransitive Graph (modified)

### Saturday December 15, 2007

- Self-Complementary Graph (modified)

### Friday December 14, 2007

- Hamiltonian Cycle (modified)
- Hamiltonian Graph (modified)
- Hypohamiltonian Graph (modified)
- Ljubljana Graph (modified)

### Thursday December 13, 2007

- Irreducible Polynomial (modified)
- IrreduciblePolynomialQ
- Ljubljana Graph (modified)
- Oseledec Theorem (modified)

### Wednesday December 12, 2007

### Tuesday December 11, 2007

- Polygamma Function (modified)

### Monday December 10, 2007

- Gudermannian (modified)
- Haversine (modified)
- Inverse Gudermannian

### Sunday December 9, 2007

- Kneser Graph (modified)

### Saturday December 8, 2007

- Bipartite Kneser Graph
- Crossed Prism Graph (modified)
- Crown Graph (modified)
- Cubical Graph (modified)
- Cycle Graph (modified)
- Desargues Graph (modified)
- Faulkner-Younger Graphs (modified)
- Haar Graph
- Kneser Graph (modified)
- Ladder Graph (modified)
- Möbius Ladder (modified)
- Odd Graph (modified)
- Prism Graph (modified)

### Friday December 7, 2007

- Faulkner-Younger Graphs
- Grinberg Graphs (modified)
- Grünbaum Graphs (modified)
- Horton Graphs (modified)
- Kummer Graph (modified)
- Nonhamiltonian Graph (modified)
- Tait's Hamiltonian Graph Conjecture (modified)
- Thomassen Graphs (modified)
- Tutte Conjecture (modified)

### Thursday December 6, 2007

- Cage
- Cremona-Richmond Configuration (modified)
- Cubic Symmetric Graph (modified)
- Grünbaum Graphs (modified)
- Incidence Graph (modified)
- Kummer Graph
- Levi Graph (modified)
- Snark (modified)
- Zamfirescu Graphs (modified)

### Wednesday December 5, 2007

- Unitransitive Graph (modified)

### Monday December 3, 2007

- Arc (modified)
- Arc-Transitive Graph (modified)
- Graph Arc
- Pappus Configuration
- Schläfli Double Six Graph
- Symmetric Graph (modified)

### Sunday December 2, 2007

- Hypotraceable Graph (modified)
- Pasch Configuration
- Pasch Graph
- Rook Graph (modified)
- Semisymmetric Graph (modified)
- Thomassen Graphs (modified)
- Truncated Tetrahedral Graph (modified)

### Saturday December 1, 2007

- Barnette-Bosák-Lederberg Graph
- Cremona-Richmond Configuration (modified)
- Desargues Graph (modified)
- Grinberg Graphs (modified)
- Hatzel Graph
- Hypohamiltonian Graph (modified)
- Incidence Graph (modified)
- Levi Graph (modified)
- Miquel Configuration
- Möbius-Kantor Graph (modified)
- Pappus Graph (modified)
- Pappus's Hexagon Theorem (modified)
- Rhombic Dodecahedral Graph (modified)
- Semisymmetric Graph (modified)
- Tait's Hamiltonian Graph Conjecture (modified)
- Tutte 8-Cage (modified)
- Zamfirescu Graphs

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