agent154
Reputation
2,935
Top tag
Next privilege 3,000 Rep.
 Sep 21 revised How many reflexive and symmetric relations are in set $A$? added 35 characters in body Sep 20 revised Determine whether the function $\alpha:A\times B\rightarrow B\times A$ where $\alpha((a,b))=(b,a)$ is injective and/or surjective edited body Mar 9 revised How can I find the coefficient of a term in this generating function by using the “old” method? added 108 characters in body Jan 30 revised Help with the algebra in for this number theory proof? Formatted with tex Nov 3 revised Finding the matrix of a linear transformation relative to two non-standard bases Added missing part of question Oct 28 revised If $\mathbb{Z}_m^*$ is cyclic, and $\mathbb{Z}_m^*=\langle\overline{g}\rangle$, is $\overline{g}$ a primitive root? added 41 characters in body Oct 27 revised Solve for n: $\varphi(2n)=\varphi(3n)$ deleted 5 characters in body Oct 25 revised Solve for n: $\varphi(2n)=\varphi(3n)$ added 32 characters in body Oct 13 revised How does one determine for which value of $z_0$ the equation $ax+by=z$ has positive integer solutions $(x,y)$ for all $z\geq z_0$? added 322 characters in body; edited title Oct 13 revised How does one determine for which value of $z_0$ the equation $ax+by=z$ has positive integer solutions $(x,y)$ for all $z\geq z_0$? added 99 characters in body Oct 12 revised Convergence of a series deleted 53 characters in body Oct 12 revised How can I prove that one of $n$, $n+2$, and $n+4$ must be divisible by three, for any $n\in\mathbb{N}$ deleted 64 characters in body Oct 9 revised Proof regarding GCD Fixed previous bad edit Oct 9 revised Proof regarding GCD LaTeX formatting Oct 6 revised Proof that $q^2$ is indivisible by 3 if $q$ is indivisible by 3. Edit title Oct 3 revised If matrices $B$ and $AB$ have the same rank, show that they have the same null spaces. added 444 characters in body Oct 3 revised If matrices $B$ and $AB$ have the same rank, show that they have the same null spaces. added 55 characters in body Sep 28 revised How to prove the limit of a sequence using “$\epsilon-N$” deleted 14 characters in body Sep 26 revised What is an intuitive definition of the zero vector? added 493 characters in body Sep 24 revised If $a_0=1$, and $a_n$ is defined by $a_n=a_{n+1}+a_{n+2}$, find $a_n$. added 12 characters in body