# New in *MathWorld* -- September
2015

### Wednesday September 30, 2015

- Dual Graph (modified)
- Lambert W-Function (modified)
- Tutte Polynomial (modified)

### Tuesday September 29, 2015

- Independence Number (modified)

### Monday September 28, 2015

- Chromatic Polynomial (modified)

### Wednesday September 23, 2015

- Parametric Representation (modified)
- Polyhedron Coloring (modified)

### Thursday September 17, 2015

### Wednesday September 16, 2015

### Thursday September 10, 2015

- Euler Function
- q-Pochhammer Symbol (modified)

### Friday September 4, 2015

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