SamB
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 +2 02:15 edit True?: Let $(n, m)$ be an arbitrary Amicable Pair. Then $n$ is odd iff its last digit is $5$ +2 02:14 edit Amicable Pair $(a, b)$: given $a$, what are limits on size of $b$? +2 02:03 edit Square roots in the $p$-adics +2 02:01 edit How far are the $p$-adic numbers from being algebraically closed? +2 01:56 edit What do the $p$-adic roots of unity look like? +2 01:36 edit True?: Let $(n, m)$ be an arbitrary Amicable Pair. Then $n$ is odd iff its last digit is $5$ +2 01:30 edit How to calculate the number of digits ($D$) of a natural number ($N$) in base $10$? +2 01:20 edit If $(f,V)$ is a nonzero representation of the reductive group $GL_n(\mathbb Q_p)$, is it true that the smooth subrepresentation $V'$ is dense in $V$? +2 01:19 edit Möbius inversion of $1/n$ +2 01:19 edit Eigenvalues of the $p$-adic Harmonic oscillator? +2 01:07 edit What does it mean for a polynomial with integer coefficients to have a root in $p$-adic integers? +2 01:02 edit $b^{a^{1/n}}$: is it an irrational number? +2 00:58 edit $b^n$ is irrational, where $b>1$ is a integer and $n$ is an irrational