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user153330
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37 votes
5 answers
2k views

How to get intuition in topology concerning the definitions?

34 votes
4 answers
2k views

Limit with a big exponentiation tower

23 votes
5 answers
2k views

Is the set of all topological spaces bigger than the set of all metric space?

17 votes
1 answer
306 views

References about Iterating integration, $\int_{a_0}^{\int_{a_1}^\vdots I_1dx}I_0\,dx$

15 votes
3 answers
235 views

Six of a kind .

11 votes
1 answer
429 views

Probability and Laplace/Fourier transforms to solve limits/integrals from calculus.

11 votes
1 answer
1k views

How to organize math study groups online for long-distance collaboration?

10 votes
1 answer
3k views

Prerequisites for Linear Algebra Done Right by Sheldon Axler.

8 votes
2 answers
520 views

"Bizarre" continued fraction of Ramanujan! But where's the proof?

7 votes
2 answers
384 views

Tweaking the axioms of a Topological Space, what are the consequences?

6 votes
3 answers
336 views

What are some books that are in the spirit of David A. Cox' "Primes of the Form $x^2+ny^2$"

5 votes
0 answers
671 views

Spivak Calculus Chapter II Exercise 22 :: Arithmetic mean and geometric mean

5 votes
2 answers
768 views

Is the Russell paradox the only possible contradiction to the axiom schema of comprehension due to Frege (1893)? $\{x:P(x)\}$ [duplicate]

4 votes
1 answer
611 views

Surprising result between determinant of a matrix and product of Euler totient function $\prod_{i=1}^n\phi(i)$ [duplicate]

4 votes
3 answers
504 views

Dividing the interval into $\rm\,n\,$ equal pieces. [Spivak - Calculus, Exercise 20]

4 votes
1 answer
776 views

Constructing the inverse of a number geometrically.

3 votes
0 answers
44 views

Collecting Closed Balls $B_\varepsilon(X)$ on a space $S$...

3 votes
2 answers
98 views

How to justify $a=(a,0)$ in Theorem $\mathbf{1.29}$ in Baby Rudin?

3 votes
3 answers
184 views

New Integration Rule? [duplicate]

2 votes
2 answers
215 views

How do we know that $\mathbb{R}^{\mathbb{R}}$ exists at all?

2 votes
2 answers
219 views

Spivak's treatement of Conic Sections

2 votes
1 answer
272 views

In balancing effort and advancement in what concerns learning

2 votes
1 answer
268 views

Modern treatment of Topology that focuses on intuition and is full of explanations and visual insights.

1 vote
1 answer
1k views

If $64$ is divided into three parts proportional to $2$, $4$ and $6$, what is the smallest part?

1 vote
2 answers
2k views

If five geometric means are inserted between 8 and 5832, what is the fifth term in the geometric series?

1 vote
1 answer
54 views

Simplifiying (or getting the exponent thing outside) the expression $\{({\rm complicated\, stuff})^{1/n}\}$ [closed]

1 vote
1 answer
51 views

Finding a basis of $\mathbb{C}^4$ in which both $\sigma_1\otimes\sigma_1$ and $\sigma_2\otimes\sigma_2$ are diagonal

1 vote
1 answer
47 views

Is it really necessary for Euler's characteristic to be in $\Bbb Z$?

1 vote
1 answer
234 views

Generalization of Maclaurin series?

0 votes
1 answer
21 views

Is it true that $\lambda^2=k$ here?