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Jan
2
asked Using Lagrange's diagonalization on degenerate linear forms
Dec
28
asked Any transformation that commutes with a transformation commuting with $S$ must be a polynomial in $S$
Dec
24
asked Linear transformations preserve the squared sum of norms of orthonormal bases
Dec
21
asked All the ternary n-words with an even sum of digits and a zero.
Dec
19
asked All the binary n-words without the sequence 011
Dec
5
asked Relation of Smith normal form to basis of subgroup
Dec
5
asked Finding the function of the power series $\sum\limits _{n=1}^{\infty}\frac{x^{2n+1}}{n}$
Nov
28
asked Proving differentiability on every interval equals proving differentiability on all of $\mathbb{R}$?
Nov
24
answered If $\lim\limits _{x\to\infty}\left(\log f\right)'\left(x\right)$ is negative, then $\int_{0}^{\infty}f\left(x\right)dx $ converges?
Nov
24
asked If $\lim\limits _{x\to\infty}\left(\log f\right)'\left(x\right)$ is negative, then $\int_{0}^{\infty}f\left(x\right)dx $ converges?
Nov
19
asked Powers of linear transformation and minimal polynomial
Nov
10
asked Union of conjugates of a subgroup of a finitely generated group.
Nov
6
asked If $H<G$ is of finite index, and for some $x\in G$, $xHx^{-1}\subset H$, prove that $xHx^{-1}=H$
Oct
28
asked Show that if $E\subseteq F$ is a subfield and $f,g\in E[x]$ then $\gcd(f,g)$ (relative to $F$) is in $E$
Oct
23
asked Integrating $\frac{\ln{ax}}{x\ln{bx}}$
Oct
21
asked How many integers satisfy the condition?
Jul
23
asked Fundamental Theorem of Calculus and the left endpoint of the interval.
Jun
30
asked A negative third derivative implies a positive first derivative at a point.
Jun
29
asked Calculating $\lim_{x\to\infty} (\sin\frac{1}{x}+\cos\frac{1}{x})^x$ without l'Hopital
Jun
29
asked Proving that $\ln ^3|x|=x$ has exactly 3 real solutions