2021年4月12日
x ^n - 1
摘要： 𝑥𝑛−1=(𝑥−1)(𝑥𝑛−1+𝑥𝑛−2+…+𝑥+1) https://math.stackexchange.com/questions/900869/prove-xn-1-x-1xn-1xn-2-x1 等比 在复数域上， ,其中 是单位根。 在实数域上， 若 为奇数， , 若 为偶 阅读全文
posted @ 2021-04-12 15:16 zJanly 阅读(565) 评论(0) 推荐(0)
Frobenius endomorphism
摘要： The Frobenius endomorphism (and the maps it induces on cohomology) plays a very important rôle in modern mathematics. Despite this it is rather easily 阅读全文
posted @ 2021-04-12 13:46 zJanly 阅读(165) 评论(0) 推荐(0)
Wilson’s theorem
摘要： https://artofproblemsolving.com/wiki/ https://artofproblemsolving.com/wiki/index.php/Wilson%27s_Theorem#:~:text=Wilson%27s%20Theorem%20In%20number%20t 阅读全文
posted @ 2021-04-12 10:53 zJanly 阅读(127) 评论(0) 推荐(0)