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175 Answers

newest activity votes
3
Convergence and closed form of this infinite series?
4
Jacobian of a curve
2
What is $\limsup\limits_{n\to\infty} \cos (n)$, when $n$ is a natural number?
3
Does a non-zero wedge product make a coordinate system?
4
how to show this is a dense set?
3
Showing that $f_{2n+1}=f_{n+1}^2+f_n^2$.
1
Solids of Revolution - revolving $OAB$ around $x = 2$ (diagram included)
1
Finding $\int e^{2x} \sin{4x} \, dx$
3
What is $[[H, H], [H, H]]$, where $H$ is the free group on two elements $a,b$?
0
Find the area of a surface of revolution
0
Trigonometric ratios for angles greater than $90^\circ$?
1
Does this integral have a closed-form solution?
2
deck transformations of the universal cover
3
In category theory, is there any such thing as “compatibility” for arrow composition?
2
Complex integral on a smooth curve contained in an open set
3
How to prove that $(M \oplus N) \otimes P$ is isomorphic to $(M \otimes P) \oplus (N \otimes P)$?
2
What am I understanding wrong about how matrix-norm works?
3
Lie brackets of $\frac{\partial f}{\partial x}$ and $\frac{\partial f}{\partial y}$
2
Differential operator - what is $\frac{\partial f}{\partial x}x$?
2
What's a multiplicative group?
3
Explain why this homotopy works?
1
Logical Equivalance
4
Fine moduli space and modular curves
5
The polynomial $x^p - x -1/p$ over $\mathbb{Q}_{p}$
4
What is the value of $\displaystyle\lim_{R\to\infty} {\int_R^{\infty}{r^ne^{-r^2/2}dr}\over{R^{n-1}e^{-R^2/2}}}$
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