机构:
Chinese Acad Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R ChinaChinese Acad Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R China
Yu JianMing
[1
]
Jiang GuangFeng
论文数: 0引用数: 0
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机构:
Beijing Univ Chem Technol, Dept Math & Informat Sci, Fac Sci, Beijing 100029, Peoples R ChinaChinese Acad Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R China
Jiang GuangFeng
[2
]
机构:
[1] Chinese Acad Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R China
[2] Beijing Univ Chem Technol, Dept Math & Informat Sci, Fac Sci, Beijing 100029, Peoples R China
A finite (pseudo-)reflection group G naturally gives rise to a hyperplane arrangement, i.e., its reflection arrangement. We show that G is reducible if and only if its reflection arrangement is reducible.