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Thomas
  • Member for 10 years, 1 month
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7 votes
3 answers
711 views

Why is the one quadratic polynomial a perfect square more often than the other?

3 votes
1 answer
805 views

How to derive the Euler Lagrange equation for geodesics?

3 votes
1 answer
97 views

How to prove concavity of $\textrm{Tr}(\exp(H+\log X))$?

3 votes
2 answers
98 views

Cubes differences and primality

2 votes
0 answers
46 views

What is the general way to rewrite an ODE with respect to a change in coordinates?

2 votes
1 answer
78 views

Which of those courses can get me to Theoretical Physics? [closed]

2 votes
1 answer
35 views

What is wrong in my reasoning on field extensions?

2 votes
1 answer
156 views

Surjective function from D2 to s1?

2 votes
0 answers
50 views

What is the genus of $y=x^n$?

2 votes
4 answers
65 views

how do we prove $p|q\cdot r \rightarrow p=q$ or $p=r$ (all primes)?

2 votes
2 answers
117 views

Show that $\text{gcd}(a,b,c) = 1$ implies existence of $k$ such that $\text{gcd}(a, b+kc)=1$ [closed]

1 vote
1 answer
217 views

Let $f$ and $g $ be continuous function where $g(x)=\int_{0}^{x}f(y)(y-x)dy$. If $g$ is 3 times continuously differentiable, what about $f$?

1 vote
1 answer
101 views

X function of Riemann surface $y^3=(x-x_1)*(x-x_2)$

1 vote
0 answers
51 views

Is $\mathbb{R}^2$ with a non euclidian metric a Riemann surface?

1 vote
1 answer
41 views

Help me understand this theorem demonstration - Dirichlet series

1 vote
1 answer
367 views

These groups are not isomorphic but their characters are equal?

1 vote
1 answer
178 views

Growth of the Fourier transform of a compact function

0 votes
0 answers
42 views

approximation of zeta by dirichlet polynomials

0 votes
0 answers
108 views

is a convex function continuous on a hilbert space?

0 votes
1 answer
14 views

How to "invert a base" of a finite module in this exercise?

0 votes
1 answer
149 views

Generators of subgroups of $\mathbb{Z}^n $?

0 votes
0 answers
37 views

Is there a formal way to define $\mathbf{R}(X^n)$

0 votes
1 answer
285 views

Is there a function with prescribed zeros and poles on an elliptic curve?

0 votes
0 answers
23 views

Is the degree of a function related to the degree of its derivative on a Riemann surface?