数理解析研究所講究録 第1963巻(Satoshi Kodama) (Tomoya Mizutani) (Shigeo Akashi) Department of Information Sciences, Faculty of Science and Technology, Tokyo University of Science 1 2 $w$ why how 2 2 2 2 2 1963 2015 231-234 231 2 $\mathcal{H}$ $m$ $n$ $\{x_{i};1\leq i\leq m\}$ $\{yj; 1\leq i\leq n\}$ $X$ $Y$ $w$ $r$ $<w, x_{i}><r, 1\leq i\leq m$ $<w, y_{i}>>r, 1\leq i\leq n$ $w$ 2 $X$ $Y$ $r=0$ $X$ $Y$ 1 $w$ $X$ $Y$ : $\rho=\m
