# New in *MathWorld* -- June
2012

### Saturday June 30, 2012

- Mouhefanggai
- Steinmetz Solid (modified)

### Friday June 29, 2012

- Roman Surface (modified)
- Steiner Surface (modified)

### Thursday June 28, 2012

- Gabriel's Horn (modified)
- Torricelli's Trumpet

### Thursday June 14, 2012

### Tuesday June 12, 2012

### Monday June 11, 2012

- Cactus Graph (modified)
- Hamilton-Connected Graph (modified)
- Pseudoforest (modified)
- Pseudotree (modified)

### Friday June 8, 2012

### Thursday June 7, 2012

- Flat Visor Curve
- Forest (modified)
- Hamilton-Connected Graph (modified)
- Johnson Graph (modified)
- k-Point Connected
- k-Point Connected Graph
- k-Vertex Connected
- k-Vertex Connected Graph
- Nephroid (modified)
- Pseudoforest
- Pseudotree

### Wednesday June 6, 2012

- Bipartite Kneser Graph (modified)
- Fractional Edge Chromatic Number (modified)
- Perfect Graph (modified)
- Perfect Matching (modified)

### Tuesday June 5, 2012

- Riemann Sphere (modified)

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