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4 天
一个被数学耽误的诗人
从实数到复数,可以看成是从一维实数轴到二维复平面的拓展,那么复数还能继续扩展? 两百年前,爱尔兰神童威廉·罗恩·哈密顿(William Rowan Hamilton)就思考过这个问题,并且给出的答案对数学产生了深远影响。
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