Rudy the Reindeer
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 Jan 30 revised A question about a proof of Noetherian modules and exact sequences edited tags Jan 30 revised A question about a proof of Noetherian modules and exact sequences rolled back to a previous revision Jan 27 revised A question about a proof of Noetherian modules and exact sequences Image removed and replaced with text. Jan 19 revised Nonzero rationals under multiplication are not a cyclic group added 4 characters in body Jan 19 revised Show that the set of non zero rationals is not a cyclic group under multiplication. edited tags Jan 19 revised Characterize the groups $G$ for which the map $\iota: G \to G$, sending $x \mapsto x^{-1}$ for all $x \in G$, is an automorphism of $G$ added 11 characters in body Jan 5 revised Injective functions also surjective? edited body; edited tags; edited title Dec 24 revised Your favourite application of the Baire Category Theorem spelling fixed Nov 7 revised Reals constructed from equivalence classes of Cauchy sequences of rationals. edited tags Nov 7 revised Upper bound for order of finite group given relations edited tags Nov 6 revised Why $\lim_{x\to \infty} -2xe^{-x/2}$ is $0$? edited title Nov 2 revised Proving $2\mathbb Z$ is maximal ideal of $\mathbb Z$ edited tags Nov 1 revised Prove that $|S_1\times S_2|=|S_1|\times|S_2|$ edited tags Nov 1 revised Extension of an analytic function to the right half plane added 24 characters in body Oct 22 revised Suppose $\lim \sup_{n \to \infty}a_n \le \rho$. Show $\lim \sup_{n \to \infty} a_n^{{(n-m)}/{n}} \le \rho$. edited title Oct 22 revised Proving that a complex function is analytic, and finding its power series edited title Oct 9 revised Limits of 2 variable functions added 129 characters in body Oct 9 revised Limits of 2 variable functions rolled back to a previous revision Oct 9 revised Limits of 2 variable functions added 43 characters in body; edited title Oct 2 revised How to prove function $f(x,y)=\frac{1}{xy}$ is not uniformly continuous? added 8 characters in body; edited title