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Dalamar's user avatar
Dalamar's user avatar
Dalamar
  • Member for 10 years, 8 months
  • Last seen more than a month ago
  • Italy
2 votes
Accepted

Need help on clarifying a step in proof of Plancherel's theorem in Evans' book PDE

2 votes

Convergence of vector spaces

2 votes
Accepted

Continuity of the integral of a continuous function composed with a measurable one

2 votes

Curve whose signed curvature is a function

1 vote

What are the expected winnings of buying one ticket (including the cost of the ticket) if a ticket costs $\$3$ and the jackpot is $\$250000$?

1 vote

Multivariate Mean Value Theorem Reference

1 vote
Accepted

Show that $\mu\{x\in X : f(x)=\infty\}=0$.

1 vote

Prove that if $f:A\to B$ is uniformly continuous on $A$ and $g$ is uniformly continuous on $B$, then $g(f(x))$ is uniformly continuous on $A$

1 vote

How do I prove a basic and obvious-looking set relations?

1 vote

Show that the Kelvin transformation is a diffeomorphism and find the inverse

1 vote

switch the order of ln and lim.

1 vote

Show that the following are not subspaces of R^m

1 vote
Accepted

Divergence theorem applied to Neumann boundary condition

0 votes

Norm equivalency

0 votes
Accepted

Continuity of the function $F(x)=\int_0^{+\infty} f(x,t) d t$

0 votes
Accepted

Image under $T_j$ of the basis vectors $e_1$ and $e_2$.

0 votes

Identity on Gauss' Theorem involving Laplacian and Div

0 votes

How would I show $|x| \le 1$ given the equation for $x$ the expression in the equation?

0 votes

Proof explanation: $f$ uniformly continuous and $\int_a^\infty f(x)\,dx$ converges imply $\lim_{x \to \infty} f(x) = 0$

0 votes

interchanging integral and limit