# New in *MathWorld* -- December
2020

### Thursday December 31, 2020

- Braced Polygon (modified)
- Hochberg-O'Donnell Fish Graph (modified)

### Wednesday December 30, 2020

### Monday December 28, 2020

- Braced Polygon (modified)
- Hochberg-O'Donnell Fish Graph (modified)
- Matrix Change of Basis
- Twin Composites

### Tuesday December 22, 2020

- Braced Polygon (modified)
- Hochberg-O'Donnell Fish Graph
- Laman Graph
- Matchstick Graph (modified)

### Monday December 21, 2020

- Graceful Labeling (modified)

### Sunday December 20, 2020

- Braced Polygon (modified)
- Minimum Vertex Cut
- Unit-Distance Graph (modified)
- Vertex Cut (modified)

### Saturday December 19, 2020

- Braced Polygon (modified)

### Monday December 14, 2020

- Block (modified)

### Sunday December 13, 2020

- Block (modified)
- Cactus Graph (modified)
- Circuit Rank (modified)
- Cocktail Party Graph (modified)
- Crown Graph (modified)
- Cycle Rank
- Graph Betti Number
- Graph Genus (modified)

### Saturday December 12, 2020

### Friday December 11, 2020

- Graph Embedding (modified)
- Integral Drawing
- Integral Embedding (modified)
- Planar Drawing (modified)
- Planar Embedding (modified)
- Planar Graph Drawing
- Planar Straight Line Embedding (modified)
- Straight Line Drawing (modified)
- Straight Line Embedding (modified)
- Unit-Distance Drawing
- Unit-Distance Embedding (modified)
- xyz Drawing
- xyz Embedding (modified)

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