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Kernel_Dirichlet
  • Member for 7 years
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9 votes
Accepted

Physical interpretation of Lebesgue norm $L^p$

8 votes

Are Continuous Functions Always Differentiable?

6 votes

Meaning of "almost everywhere" in measure theory.

4 votes

A convergent sequence $\{a_n\}$ and divergent sequence $\{b_n\}$ such that $\{a_n+b_n\}$ is convergent

4 votes
Accepted

What are the general methods for solving PDE with complicated boundary condition?

3 votes
Accepted

Sine for SHM but Cosine for Spring-Mass System, where's the catch?

3 votes

Arzela-Ascoli Theorem in $L^p[0,1]$

3 votes
Accepted

Orthonormal bases for $L^{2}(\mathbb{R})$ aside from Hermite functions?

2 votes
Accepted

Show by the definition, that the function is continuous(multivariable calculus)

2 votes

Is the complement of the closed unit ball connected?

2 votes
Accepted

Give an example when $\|x\|_{\infty} = \|x\|_{2}$.

2 votes
Accepted

Legitimacy of differentiation

2 votes

Topologist's sine curve is connected

2 votes

If some condition $P$ is necessary and sufficient for $Q$, why is it the case that $P$ if and only if $Q$?

2 votes
Accepted

Is curl of a position vector always zero?

2 votes
Accepted

Solution to Integral Equation (Fredholm Integral Equation)

2 votes

A question about mathematical logic and proof theory

1 vote

Assumption made in Proof of System of ODEs with Repeated Roots

1 vote

How $f_{yx} = f_{xy}$?

1 vote

Is $\mathbb{R}/\mathord{\sim}$ a Hausdorff space if $\{(x,y)\!:x\sim y\}$ is a closed subset of $\mathbb{R}\times\mathbb{R}$?

1 vote

Show $f(x)=2x$ is measurable.

1 vote
Accepted

Surjectivity of $f(x) = x^2$ for range of real numbers.

1 vote

Vectors (polynomials) parallel to $x^2$ that aren't $cx^2$

1 vote

Show that every dense subset of $L^{\infty}([0,1])$ is uncountable.

1 vote
Accepted

Show $f(x) = x^2 \sin (x^{-3/2}), x\in (0,1] $, $f(0) = 0$ is of bounded variation without using improper integral

1 vote

Find matrice $A_{2 \times 2}$ such $A_{2 \times 2}\in \mathbb{R}$ such that $A^{30}=I$

1 vote

What does $l^p$-summability of Fourier coefficients imply about $L^q$-integrability?

1 vote

Need for holder continuous functions

1 vote
Accepted

Proving something is a normed space

1 vote
Accepted

Linear Algebra Polynomial Subspace