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1d
revised Prove that $\mathcal{O}_3$ and $\mathcal{O}_7$ are euclidean domains
erroneous figure replaced
Apr
14
revised What is $\left[\frac{1}{2}(p-1)\right]! \;(\text{mod } p)$ for $p = 4k+1$?
added 218 characters in body
Apr
14
revised What is $\left[\frac{1}{2}(p-1)\right]! \;(\text{mod } p)$ for $p = 4k+1$?
deleted 26 characters in body; edited title
Apr
8
revised How to prove Chebyshev's result: $\sum_{p\leq n} \frac{\log p}{p} \sim\log n $ as $n\to\infty$?
defective link
Apr
7
revised Fundamental unit in the ring of integers $\mathbb Z[\frac{1+\sqrt{141}}{2}]$
added 827 characters in body
Mar
23
revised Extending a Chebyshev-polynomial determinant identity
after a long time I decided my previous solution was wrong.
Mar
23
revised Extending a Chebyshev-polynomial determinant identity
added 482 characters in body
Mar
23
revised Extending a Chebyshev-polynomial determinant identity
added 482 characters in body
Mar
18
revised Is $\sum_{k=1}^{m-1}\frac{1}{\sin^2\frac{k\pi}{m}}=\frac{m^2-1}{3}$ true for $m\in\mathbb N$?
deleted 205 characters in body
Mar
12
revised Geometric interpretation for sum of fourth powers
added 440 characters in body
Mar
12
revised continued fraction of the roots of $x^2 - \frac{53793390359}{1088391168}x + \frac{823543}{12230590464} = 0$
added 616 characters in body
Mar
5
revised Huzita Axiom 6 - Computing the Origami Trisection of an Angle
added 342 characters in body; edited tags; edited title
Feb
28
revised Efficiently producing certain kinds of examples of the application of Euclid's algorithm
added 532 characters in body
Feb
28
revised Efficiently producing certain kinds of examples of the application of Euclid's algorithm
added 148 characters in body
Feb
28
revised Efficiently producing certain kinds of examples of the application of Euclid's algorithm
added 403 characters in body
Feb
27
revised Identity with nested sum taken over divisors of $\gcd$'s
added 1379 characters in body
Feb
27
revised Identity with nested sum taken over divisors of $\gcd$'s
added 1379 characters in body
Feb
15
revised Finding a value from 5 systems of equations of 5 variables(CHMMC 2014)
fixed +/- errors and fixed variable names
Feb
8
revised Minimal circle containing set of points
added 501 characters in body
Feb
8
revised Minimal circle containing set of points
found an important graphic