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Ofir

I am a Math student (and always will be). I'm currently working on homogeneous dynamics and their connections with number theory, though I'm interested in many other areas of mathematics.

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56 Two metrics induce the same topology, but one is complete and the other isn't Oct 23 '10
36 Idempotents in a local ring Mar 24 '14
27 Irreducibility of $f(x)=x^4+3x^3-9x^2+7x+27$ Dec 18 '15
27 How to understand compactness? Dec 25 '10
16 Is addition continuous? Sep 28 '10
14 All homomorphisms from the ring $\mathbb Z \times \mathbb Z \to \mathbb Z$ Nov 15 '10
13 Combinatorial Proof of $\binom{\binom{n}{2}}{2} = 3 \binom{n}{3}+ 3 \binom{n}{4}$ for $n \geq 4$ Dec 25 '10
12 $\frac{\prod \mathbb{Z_p}}{\bigoplus \mathbb{Z_p}}$ is a divisible abelian group Nov 12 '10
12 Regular but not normal space Jan 19 '11
12 Ahlfors's proof of analytic functions reducing to a constant Feb 5 '11
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