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Lucia
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Jul
30
reviewed
Leave Closed
Are there infinitely many $k$ for which $\frac{\sigma(k)}{k}=n^p$ and $p$ is an odd prime?
Jul
29
reviewed
No Action Needed
Are smooth solutions to a PDE dense in the space of $L^2$ solutions to the PDE?
Jul
29
comment
Fermat's proof for $x^3y^2=2$
There may be more than one way of writing numbers in the form $a^2+2b^2$. So the last para doesn't seem clear to me.
Jul
29
reviewed
Close
What am I missing in this highly oscillatory integral?
Jul
29
reviewed
Close
Recursion, Common Term, Combinatorics
Jul
28
reviewed
No Action Needed
Uniqueness of Riemann Constant Vector Solution
Jul
28
reviewed
Leave Closed
Recent progress on the busy beaver problem?
Jul
28
reviewed
Close
arithmetic progressions with few primes
Jul
27
reviewed
Leave Closed
Vector inequation problem
Jul
27
reviewed
Close
Counting function for prime pair with bounded gaps between them
Jul
19
reviewed
Close
Derivative of Bandlimited functions
Jul
10
comment
Asymptotic expansion of a sequence given by an integral with reciprocal Gamma function
Yes, that's right  $1/(\log n)^2$.
Jul
9
comment
Asymptotic expansion of a sequence given by an integral with reciprocal Gamma function
It's about $n/(\log n)^2$. The integral is dominated by the region near $1$, where you can use $1/\Gamma(x1)=(1x) + O((1x)^2)$ ...
Jul
9
reviewed
No Action Needed
Complex structure on $S^6$ gets published in Journ. Math. Phys
Jul
9
reviewed
Approve
Complex structure on $S^6$ gets published in Journ. Math. Phys
Jul
8
reviewed
Looks OK
Should one attack hard problems?
Jul
8
reviewed
Close
Should one attack hard problems?
Jul
8
reviewed
No Action Needed
Relations between modular functions of certain $q$continued fractions
Jul
7
comment
Explicit bounds for exceptional zeros and/or $L(1,\chi)$ for real $\chi$
Yes; the results should only get better for imprimitive characters. Also the $\log^2$ in the denominator can be removed while still using only the trivial bound for the class number (but maybe no one wrote up an explicit version of that  maybe useful to do if you're really fighting for constants)  see Goldfeld and Schinzel
archive.numdam.org/ARCHIVE/ASNSP/ASNSP_1975_4_2_4/…
Jul
7
comment
Explicit bounds for exceptional zeros and/or $L(1,\chi)$ for real $\chi$
The (standard) argument in Ford/Luca/Moree doesn't really use that $q$ is prime, and works for any fundamental discriminant.
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