# New in *MathWorld* -- September
2018

### Thursday September 27, 2018

- Matchstick Graph (modified)

### Tuesday September 25, 2018

- Odd Graph (modified)

### Monday September 24, 2018

- Graph Crossing Number (modified)

### Thursday September 20, 2018

### Monday September 17, 2018

- Steinmetz Curve
- Steinmetz Solid (modified)

### Wednesday September 12, 2018

- Double-Toroidal Graph (modified)

### Tuesday September 11, 2018

- 16-Cell (modified)
- Complete Bipartite Graph (modified)
- Complete Graph (modified)
- Complete k-Partite Graph (modified)
- Complete k-Partite Graph (modified)
- Diamond Graph (modified)
- Graph Crossing Number (modified)
- Octahedral Graph (modified)
- Path Graph (modified)
- Square Graph (modified)
- Toroidal Crossing Number (modified)
- Triangle Graph (modified)

### Monday September 10, 2018

- Double-Toroidal Graph
- Graph Genus (modified)
- Kuratowski Graph (modified)
- Kuratowski Subgraph (modified)
- Subgraph (modified)
- Toroidal Graph (modified)

### Friday September 7, 2018

- Toroidal Graph (modified)

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