IMO Shortlist-2011 N3
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- Posts:107
- Joined:Sun Dec 12, 2010 10:46 am
Let $n\ge 1$ be an odd natural number. Find all functions $f$ from the set of integers to itself such that for all integers $x$ and $y$ the difference $f(x)-f(y)$ divides $x^n-y^n$.
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- Posts:107
- Joined:Sun Dec 12, 2010 10:46 am
Re: IMO Shortlist-2011 N3
My progress till now:
Re: IMO Shortlist-2011 N3
Another member of the "Great Set of Number Theoretical Functions."
Next step:
Next step:
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Use $L^AT_EX$, It makes our work a lot easier!
Nur Muhammad Shafiullah | Mahi
Use $L^AT_EX$, It makes our work a lot easier!
Nur Muhammad Shafiullah | Mahi