Skip to main content
Andrew's user avatar
Andrew's user avatar
Andrew's user avatar
Andrew
  • Member for 4 years, 9 months
  • Last seen this week
6 votes
Accepted

Identifying a dense subspace of a Hilbert space

6 votes

Prove $\arctan(\frac{1}{2})+...+\arctan(\frac{1}{2n^2})=\arctan(\frac{n}{n+1})$

5 votes
Accepted

What is the gradient of the trace of an outer-product?

4 votes
Accepted

Sequence of holomorphic functions

4 votes
Accepted

Proving Unique Solution to The Following System of Two Non-Linear Equations and 2 Unknown

4 votes
Accepted

A variational optimal control problem

3 votes
Accepted

Understanding Difference Between Cauchy-Goursat and Related Theorem

3 votes
Accepted

How is this lemma used?

3 votes

Fractions that have interesting, fun or noteworthy decimal expansions

3 votes

Compact Connected Manifolds of dimension $n$

3 votes

A matrix of order 8 over $\mathbb{F}_3$

3 votes

Why are Hermitian matrices called a generalization of real symmetric matrices?

3 votes
Accepted

Pressure values at the boundary in Navier Stokes equations

3 votes
Accepted

Finite Element Analysis formula (3D)

3 votes
Accepted

A question on Baker-Campbell-Hausdorff (BCH) Formulae (a special case)

3 votes
Accepted

Finite Element Analysis formula

2 votes
Accepted

Change of variables to turn a transient PDE with growing domain into an ODE BVP?

2 votes
Accepted

Solving an integral equation (and ODE)

2 votes

How do we make sense of normal derivatives in PDE at boundary points?

2 votes
Accepted

How does one find values of $p$ for which $Du$ is in $L^p$?

2 votes
Accepted

What is the qualitative relationship between an analytic function and its analytic continuation on the complement of the originally defined domain?

2 votes

Line integral over an infinite circle

2 votes
Accepted

Solving basic PDE with the method of characteristic.

2 votes
Accepted

Probability of winning a dice roll when the two players have difference die sizes

2 votes

Find $P(A^C\cap B)$

2 votes
Accepted

Showing $\{g \in G: g^n=1\}$ is a cyclic subgroup of cyclic $G$ of order $n$ for $|G|=nk, k\in\Bbb N$.

2 votes
Accepted

Strict Positive Distance between Closed and Compact Sets

2 votes
Accepted

Geometric interpretation of affine subspaces in projection method

1 vote

Question in Folland's Proof of Open Mapping Theorem

1 vote
Accepted

Proving a lemma from the fundamental theorm of finite abelian group