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ZeroCool
  • Member for 10 years, 7 months
  • Last seen more than a month ago
9 votes
1 answer
2k views

Use of stochastic calculus outside finance?

7 votes
3 answers
312 views

solve for $x$: $\frac{\sin(x)}{x}=\frac{5}{6}$

3 votes
2 answers
59 views

Prove $8n^5 > (n+4)^5$ for $n \ge 8$

3 votes
1 answer
169 views

How to find the numer of symmetries of a geometric figure

2 votes
1 answer
209 views

Geometric description of all orbits of the action $a ^ {(x,y)} = (ax,y)$

2 votes
2 answers
100 views

Vanilla swap payoff

2 votes
1 answer
47 views

Help reading a scatterplot

2 votes
1 answer
417 views

Chi-square test of independence: show that sum of squared standard normals has chi-square distribution

1 vote
5 answers
128 views

Prove that $\frac{\pi^3}{48} \le \int_0^{\pi/2}\frac{x^2}{2-\sin(x)}\,dx \le \frac{\pi^3}{24}$

1 vote
0 answers
160 views

Derivative of a functional with respect to another functional

1 vote
0 answers
133 views

Describe the reflections in an equilateral prism

1 vote
0 answers
312 views

Technics to find conjugacy classes of a symmetry group

0 votes
2 answers
101 views

Find the eigenspaces of $\;\;\pmatrix{7 & 0 & 4 \\ 0 & 10 & 0 \\ 4 & 0 & -8}$

0 votes
2 answers
25 views

Is {1,2,9} a subgroup of ({1,2,4,8,9,13,15,16},$\times_{17}$)?

0 votes
0 answers
104 views

Find a basis for the image of the given linear transformation

0 votes
2 answers
57 views

Find A such that $A\cos(t+\theta)=\frac{1}{4}\cos(t)+\frac{1}{2}\sin(t)$

0 votes
1 answer
50 views

Find image of complex function: $w(z) = z+i\bar{z}$ defined from $\mathbb{C}$ into $\mathbb{C}$