# New in *MathWorld* -- October
2021

### Wednesday October 27, 2021

- Bouwer Graph (modified)
- Braced Polygon (modified)
- Doyle Graph (modified)
- Graph Dimension (modified)

### Friday October 22, 2021

- Chromatic Number (modified)
- Edge Chromatic Number (modified)
- FindEdgeColoring
- FindVertexColoring
- Minimum Edge Coloring (modified)
- Minimum Vertex Coloring (modified)
- Vertex Chromatic Number

### Thursday October 21, 2021

- Wang's Conjecture (modified)

### Wednesday October 20, 2021

- Braced Polygon (modified)

### Tuesday October 19, 2021

- Trigonometry Angles--Pi/7 (modified)

### Monday October 18, 2021

- Heart Curve (modified)

### Sunday October 17, 2021

### Saturday October 16, 2021

- FilledTorus
- Torus (modified)

### Friday October 15, 2021

- Langford's Problem (modified)

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