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  • Seminars and Colloquia

9/4(Thu) 16:00
Joonkyung Lee(University of Oxford, UK)
Discrete Math

9/11(Thu) 16:30
Cheol Hyun Cho(Seoul National Univ.)
Colloquium

9/16(Tue) 16:00
Matt DeVos(Simon Franser U)
KAIST CMC

9/18(Thu) 16:00
Matt DeVos(Simon Franser U)
KAIST CMC noon lectures

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  • Conferences and Workshops

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  • 2014-13 Unit vectors
    Prove that, for any unit vectors \( v_1, v_2, \cdots, v_n \) in \( \mathbb{R}^n \), there exists a unit vector \( w \) in \( \mathbb{R}^n \) such that \( \langle w, v_i \rangle \leq n^{-1/2} \) for all \( i = 1, 2, \cdots, n \). (Here, \( \langle \cdot, \cdot \rangle \) […]

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