Math Colloquia

874

Date | Mar 16, 2017 |
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Speaker | 이승진 |

Dept. | 서울대학교 |

Room | 129-101 |

Time | 16:00-17:00 |

A hyperplane arrangement is an arrangement of a finite set of hyperplanes in some vector space. Hyperplane arrangements generalize other famous combinatorial objects such as graphs and matroids. In this talk, we introduce a characteristic polynomial of a hyperplane arrangement. We discuss how to compute the polynomial and compute the number of regions generated by hyperplane arrangements by using the characteristic polynomials.

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