# CHARACTERISTIC POLYNOMIAL OF THE HYPERPLANE ARRANGEMENTS 𝓙n VIA FINITE FIELD METHOD

• Song, Joungmin (Division of Liberal Arts & Sciences GIST)
• Accepted : 2017.08.29
• Published : 2018.07.31
• 264 8

#### Abstract

We use the finite method developed by C. Athanasiadis based on Crapo-Rota's theorem to give a complete formula for the characteristic polynomial of hyperplane arrangements ${\mathcal{J}}_n$ consisting of the hyperplanes $x_i+x_j=1$, $x_k=0$, $x_l=1$, $1{\leq}i,j,k,l{\leq}n$.

#### Keywords

hyperplane arrangements;finite field method

#### Acknowledgement

Supported by : NRF

#### References

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