5,925 reputation
62584
bio website
location
age
visits member for 2 years, 11 months
seen 6 hours ago

1d
asked What is $\langle I\rangle$ in this text?
Jan
28
asked Why does list coloring provides a more general setting to discuss the chromatic number?
Jan
27
asked What is this binding function?
Jan
24
asked Confusion about Hajós construction?
Jan
18
asked Why don't we use Presburger's arithmetic instead of Peano's arithmetic?
Jan
17
asked Why the generating function of $x^2(1-3x)^{-1}$ is $(0,0,1,3,3^2,3^3)$ instead of $(0,0,1,-3,3^2,-3^3)$?
Jan
16
asked On ${-1 \choose 0}=1$, can I assume that $\frac{(-1)!}{(-1)!}=1$?
Jan
13
asked How to identify which terms are infinite sequences?
Jan
11
asked What does if-then has to do with not being true?
Jan
7
asked Why the generating function of $a_r=r$ is $xf'(x)$ instead of $f'(x)$?
Jan
6
asked Why the sequence generated by $x+e^x$ is $(1,x,\frac{x^2}{2!},\frac{x^3}{3!},\frac{x^4}{4!}\ldots)$?
Jan
6
asked Differentiating $1/(1-x)$ using the fact that $[x^n]'=nx^{n-1}$?
Jan
6
asked What is distinguishble and indistinguishble in generating functions?
Jan
6
asked Why is it important to have the closed form of a generating function?
Jan
5
asked Why the generating function of $\frac{2^K}{k!}$ is $e^{2x}$ instead of $e^{2^{x}}$?
Jan
3
asked Would it be possible to extract all the points in the area and still have positive area?
Jan
3
asked Proving that a point is measurable and has zero area.
Jan
2
asked Is there only one continuous-everywhere non-differentiable funtion?
Dec
31
answered How $(r-k){r \choose r-k}$ becomes $r{r-1 \choose r-k-1}$?
Dec
28
asked How $(r-k){r \choose r-k}$ becomes $r{r-1 \choose r-k-1}$?