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Jon Warneke
  • Member for 8 years, 9 months
  • Last seen more than a week ago
53 votes

Why do we study real numbers?

11 votes

Weak convergence $\iff$ strong convergence in finite dimensional space

9 votes

Is it possible to integrate $e^{x}\ \sinh(x)$ using only integration by parts?

8 votes
Accepted

Showing $\sum_{i = 1}^n\frac1{i(i+1)} = 1-\frac1{n+1}$ without induction?

8 votes

Radius of convergence of product

8 votes

Sum of the supremum and supremum of a sum

8 votes

Relationship between integral equations and partial differential equations

7 votes

Finding the Dimension of a given space $V$

7 votes
Accepted

Regarding linear independence on a normed-linear space given a condition

6 votes
Accepted

Eigenvalues and eigenvectors of a unitary operator

5 votes

Introduction to Measure Theory, length of an Interval.

5 votes

How many digits is $99^{99}$ without a calculator?

5 votes
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Mathematical Rigor in Proving Limits by $\epsilon-\delta$ Definition

4 votes
Accepted

Eigenvalues of two related symmetric matrices

4 votes
Accepted

Linear Algebra: How to notate vectors?

4 votes
Accepted

Symmetric $3 \times 3$ Matrix

4 votes
Accepted

Does the set of skew-symmetric n×n matrices form a vector space?

3 votes

What is $P(A\mid B, C)$ if $B$ and $C$ are independent?

3 votes

Prob. 4 (a), Sec. 20 in Munkres' Topology, 2nd ed: Are these functions continuous in the product, uniform, and box topologies?

3 votes
Accepted

Can you recover a distribution from mollification?

3 votes

Show linear independence of a set of vectors close to an orthonormal basis

3 votes

Need Guidance for engineer taking rigorous analysis course for first time

3 votes
Accepted

Prove that Koch's Snowflake Curve is Jordan Measurable

3 votes

The proofs of the fundamental Theorem of Algebra

3 votes
Accepted

Calulate opposite vector as dot product (Householder QR decomposition)

3 votes
Accepted

Why is divergence related to "volume"?

3 votes

Proving that $(u+v,u+w,v+w)$ is linearly independent

3 votes
Accepted

Find a Wave Function with a Chaotic, Unbounded, Non-monotonic Amplitude and Wavelength

3 votes

Linear independence of $\sin(x)$ and $\cos(x)$

3 votes
Accepted

partitions of unity in the proof of the Meyers-Serrin Theorem

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