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MilTom
  • Member for 8 years, 5 months
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4 votes
3 answers
191 views

Changing limits of integration on a difficult integral

3 votes
1 answer
971 views

Book request: PDE's in Mathematical Finance

2 votes
1 answer
477 views

Example of a set which is not in the product $\sigma$-algebra

2 votes
1 answer
436 views

Gamma distribution of maximal variance by Lagrange multiplier

2 votes
2 answers
3k views

Suppose that $f(0)=f(2\pi)$. Show that there exists an x such that $f(x)=f(x+\pi)$.

1 vote
4 answers
613 views

Show that a continuous function f either has a root hence $f(c)=0$ or $|f(x)|> e$ for $e>0$.

1 vote
0 answers
2k views

Which lines in $\mathbb R^2$ define a subgroup?

1 vote
0 answers
83 views

Two functions such that $f$ is continuous at $0$, $g$ is discontinuous at $0$, but $f+g$ is continuous at $0$?

1 vote
1 answer
249 views

Cayley graphs and groups

1 vote
2 answers
387 views

Choosing an integer that is most likely to be the sum of die rolls

1 vote
1 answer
477 views

Flip a biased coin and win/lose money

1 vote
1 answer
215 views

Proving that a map between a normed space and its dual is well defined

0 votes
1 answer
449 views

Group homomorphism and equivalence relation

0 votes
2 answers
151 views

Fourier series and a specific identity

0 votes
0 answers
163 views

Non-Gaussian Ornstein-Uhlenbeck process and AR(1)

0 votes
0 answers
206 views

Lebesgue integral of a sequence of floor functions

0 votes
1 answer
877 views

Show that f is continuous at 0, but discontinuous at c for all c/=0.

0 votes
1 answer
103 views

Sketching a parametrised cone and a geodesic lying on it.

0 votes
1 answer
2k views

Orders of the elements in $\mathbb{Z}/8\mathbb{Z}$

0 votes
1 answer
49 views

Explaining the strict inequality with root $x$.

0 votes
2 answers
200 views

Proving that $h$ is continuous at $0$ iff $f(0) = g(0)$?

0 votes
1 answer
75 views

Proving a Volume-Area inequality using divergence thm

0 votes
1 answer
60 views

Computing a transformation of a bivariate random variable

0 votes
1 answer
54 views

Showing that a transformation in a finite planar region determines a bijection

0 votes
1 answer
231 views

Is this sequence with a square root in the denominator a Cauchy sequence?

0 votes
2 answers
53 views

Why are these not bases in $\mathbb{R}^4$?

-1 votes
1 answer
542 views

Existence of Gamma function integrals [closed]

-1 votes
1 answer
40 views

Prove that $v$ is a linear combination of $v_1,...,v_n$ if it is a linear combination of $w_1,...,w_m$