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Mister Benjamin Dover
  • Member for 7 years, 8 months
  • Last seen more than 6 years ago
18 votes

Prerequisite for Takhtajan's "Quantum Mechanics for Mathematicians"

12 votes

Effective Research Notes

10 votes
Accepted

Book for Algebraic Topology- Spanier vs Tom Dieck

7 votes
Accepted

Definite integrals with interesting results

7 votes

"Drawable" Examples of Vector Bundles

6 votes

$\mathbb{R}P^n$ is an $n$-manifold: how to show locally Euclidean and Hausdorff properties?

6 votes
Accepted

Retract and homology

6 votes

Difference between $\mathbb{Q}(x)$ and $\mathbb{Q}[x]$?

6 votes

Surprising applications of topology

6 votes
Accepted

Why is the the double dual functor on finite-dimensional vector spaces naturally isomorphic to the identity?

5 votes
Accepted

Proving $\mathrm{SL}_2(\mathbb{R})\trianglelefteq\mathrm{GL}_2(\mathbb{R})$

5 votes
Accepted

Definition of "descends to"

4 votes
Accepted

Reference for unbounded operators

4 votes
Accepted

Retraction and fundamental groups

4 votes

Lang's Linear Algebra: what's next?

4 votes
Accepted

Show that $\mathbb{R} P^3$ is not homotopy equivalent to $\mathbb{R} P^2 \vee S^3$.

4 votes

Definiton of function

4 votes
Accepted

Tensor product of (general?) groups

3 votes

If R is an integral domain disprove the RxR is an integral domain?

3 votes
Accepted

Build a bijection $F\colon B^{A_1} \to B^{A_2}$

3 votes
Accepted

What is a good, hi-tech textbook on complex analysis?

3 votes
Accepted

if a point is a root of all linear functionals on a normed space, then it's zero

3 votes

Question related to groups.

3 votes

Isometry of a complete normed space is also complete.

3 votes

Definition of spectrum of an operator

3 votes
Accepted

I cannot make the mental leap from a vector to a function!

3 votes
Accepted

Properties of subspaces of a vector space

3 votes
Accepted

$f:\mathbb{R}^n \to \mathbb{R}$ has expansion $\sum_i g_i(x)x^i$

3 votes
Accepted

Can the cohomology ring of the two-fold torus be calculated abstractly?

3 votes
Accepted

On a congruence for the number of finite topologies