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Jul
22
revised Find $\lim\limits_{x \rightarrow \infty} x e^{x^2} \int_x^{\infty}e^{-u^2}du $
added 4 characters in body; edited title
Jul
3
revised Braid groups and the fundamental group of the configuration space of $n$ points
added 2521 characters in body
Jul
1
revised Braid groups and the fundamental group of the configuration space of $n$ points
added 1649 characters in body
Jun
23
revised Question about countable and uncountable map correspodence
deleted 288 characters in body
Jun
23
revised How to compute the automorphism group of split metacyclic groups?
added 4 characters in body
Jun
11
revised What is $\frac {d}{dx}(y=\frac {e^{-x/2}}{u^{1/2}})$?
deleted 123 characters in body
May
31
revised Couldn't there be a better definition of imaginary numbers?
added 669 characters in body
May
31
revised Couldn't there be a better definition of imaginary numbers?
added 669 characters in body
May
30
revised Finding explicit discrete valuation of ring of germs of analytic functions on $\mathbb{C}$
deleted 318 characters in body
May
29
revised Show that the subset $\overline{I} = \{\overline{x}:x \in I\}$ is an ideal.
added 33 characters in body
May
28
revised The number of $3\times 3$ nilpotent matrices over $\mathbb{F}_q$ using the Orbit-Stabilizer theorem
deleted 246 characters in body
May
26
revised For which $x\in\mathbb{R}$ is the series of general term $a_n = x^{n!}$ convergent?
added 16 characters in body; edited tags; edited title
May
26
revised The number of $3\times 3$ nilpotent matrices over $\mathbb{F}_q$ using the Orbit-Stabilizer theorem
added 5 characters in body
May
24
revised Show that $\mathbb{C} \otimes_\mathbb{Z} \mathbb{C} \cong \mathbb{C} \otimes_\mathbb{Q} \mathbb{C}$
added 22 characters in body
May
22
revised DVR, power series expansion.
deleted 208 characters in body
May
22
revised Is $\mathbb{Q}(\pi) \cong \mathbb{Q}[[x]]/ \langle \sin(x) \rangle$?
added 5 characters in body; edited title
May
22
revised How to visualize $\mathbb{C}^2$?
added 100 characters in body
May
21
revised How to appreciate Fermat's last theorem?
added 1 character in body
May
17
revised Linear transformations with equal matrices on different bases
added 115 characters in body
May
15
revised Product of a character with an irreducible character a non-negative integer
deleted 16 characters in body