f(f(n)+m)=n+f(m+2013)

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Phlembac Adib Hasan
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f(f(n)+m)=n+f(m+2013)

Unread post by Phlembac Adib Hasan » Tue Apr 30, 2013 11:15 pm

Fine all function $f:\mathbb{N} \to \mathbb{N}$ such that: \[ f(f(n)+m)=n+f(m+2013), \forall m,n \in \mathbb{N}\]
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