Course cluster
Concrete Math
A preserved cluster of undergraduate notes grouped by subject area.
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01
Concrete Math
2018-08-10
Concrete Math Divisibility 因子求和恒等式 $\sum {m/n}a m = \sum k\sum {m 0}a m[n=mk]$ Prime 算数基本定理 正整数的数系表示$<n 2,n 3,n 5,... $ <! more Prime Examples 素数 6k+1/6k 1 素数平方 8n+1 Euclid number...