zhiqiang, December 23, 2007 @ 12:52 pm · Filed under 科学 · 7 Comments
命题：实数集$$\mathcal{R}$$上的任何一个可数种颜色染色方案，都存在四个不等的同色点$$x, y, z, w$$使得$$x+y=z+w$$。 这个问题是一个月前在Computational C...... 约1011字，阅读全文
Ph.D Candidate from iTCS & CASTU, Tsinghua Univeristy, major in Applied Mathematics (Theoretical Computer Science)
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