Julián Aguirre
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# 35 Favorites

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### If $\beta=0.{a_1}^{k}{a_2}^{k}{a_3}^{k}\cdots\in\mathbb Q$, then $\alpha=0.a_1a_2a_3\cdots\in\mathbb Q$?

aug 10 '14 at 10:14 mathlove 68.5k
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### $x_1 = 2$, $x_{n + 1} = {{x_n(x_n + 1)}\over2}$, what can we say bout $x_n \text{ mod }2$?

jul 5 at 21:28 Batominovski 10.4k
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### Two questions about weakly convergent series related to $\sin(n^2)$ and Weyl's inequality

oct 17 '12 at 9:08 Jack D'Aurizio 142k
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### Showing a series is convergent. [duplicate]

nov 21 '12 at 15:59 Jack D'Aurizio 142k
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### Rational multiples of $\pi/2$ whose sines are also rational

jan 10 '13 at 13:12 Andrew Uzzell 1,082
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### Properties of a certain integer sequence

mar 17 '14 at 14:48 user9723763 21
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### Repeated application of “prime factorization + decimal composition”

oct 15 at 8:07 pew 6,796
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### A number theoretical problem [duplicate]

nov 20 '14 at 11:05
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### Finding a Fourier pair satisying some conditions

oct 10 at 19:19 karabulut 11