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Apr
14
asked What is $\left[\frac{1}{2}(p-1)\right]! \;(\text{mod } p)$ for $p = 4k+1$?
Apr
14
asked Continued fraction for $[1,2,3,4,5,6,\dots]$
Apr
7
answered Fundamental unit in the ring of integers $\mathbb Z[\frac{1+\sqrt{141}}{2}]$
Mar
28
asked formula for the number of perfect squares mod $N$
Mar
23
answered Extending a Chebyshev-polynomial determinant identity
Mar
18
asked proving Fermat's theorem on $p = x^2 + 3y^2$
Mar
12
answered Geometric interpretation for sum of fourth powers
Mar
12
answered Common divisor of $a+b$ and $ab$.
Mar
12
asked continued fraction of the roots of $x^2 - \frac{53793390359}{1088391168}x + \frac{823543}{12230590464} = 0$
Mar
7
asked continued fraction of $3 + 17\sqrt{3} $
Mar
5
asked Huzita Axiom 6 - Computing the Origami Trisection of an Angle
Feb
28
answered Efficiently producing certain kinds of examples of the application of Euclid's algorithm
Feb
26
answered Identity with nested sum taken over divisors of $\gcd$'s
Feb
23
answered Show that $\sum_{n=1}^\infty nx^{n-1}$ converges uniformly on $[0,\frac{9}{10}]$
Feb
23
answered Proving $\frac{n^n}{e^{n-1}}<n!<\frac{(n+1)^{n+1}}{e^{n}}$ by induction for all $n> 2$.
Feb
21
answered Why is the Derangement Probability so Close to $\frac{1}{e}$?
Feb
16
answered Derivation of the Boltzmann factor in statistical mechanics
Feb
15
answered Finding a value from 5 systems of equations of 5 variables(CHMMC 2014)
Feb
8
answered Minimal circle containing set of points
Feb
5
answered Are there any differences between tensors and multidimensional arrays?