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pow:problem2f20

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pow:problem2f20 [2020/09/30 00:45]
mazur
pow:problem2f20 [2020/10/01 00:16] (current)
mazur
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 +<box 80% round orange|Problem 2 (due Monday, September 28)> ​
 +Let N0 be the set {0,1,2,} of all non-negative integers. Find all functions $f:\mathbb N_0
 +\longrightarrow \mathbb N_0suchthatf(a^2+b^2)=f(a)^2+f(b)^2foralla,bin\mathbb N_0$.  ​
 +</​box>​
  
 +No complete solution was received. Partial solutions submitted by Yuqiao Huang, Maxwell T Meyers, and 
 +Matthew Pressimone. Detailed solution is discussed in the following link {{:​pow:​2020fproblem2.pdf|Solution}}