Brouwer Fixed Point Theorem

posts in this series:
Atiyah-Singer Index Theorem,
Hairy Ball Theorem

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果然...
毛球定理是某個固定點定理(Brouwer F. P. T.)的S^2特例
每次讀幾何都會遇到令人驚奇的事情:)
近來有改行研究geometry/topology的衝動
看來蔡宜洵這學期的幾何教學大大的成功啊

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posts in this series:
Nash Equilibrium