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samerivertwice
  • Member for 7 years, 1 month
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33 votes
10 answers
3k views

What's the closest approximation to $\pi$ using the digits $0-9$ only once?

12 votes
5 answers
1k views

Must a sequence be well-founded?

11 votes
0 answers
401 views

Write Occam's razor rigorously

9 votes
3 answers
276 views

What's $-\frac{1}{27}$ in the p-adic ring $\Bbb Z_2$? [duplicate]

7 votes
1 answer
322 views

Show $f(x)=1-\frac{1}{x\left(\lvert x\rvert_2\right)}$ converges on $0$ in finite steps

6 votes
1 answer
1k views

What are the higher dimensional analogues of left and right handedness?

6 votes
1 answer
463 views

Would Brun's constant being transcendental prove the twin prime conjecture?

6 votes
6 answers
1k views

How do I resolve this paradox of counting line segments?

5 votes
2 answers
422 views

How can the Zeta function be zero?

5 votes
4 answers
375 views

What's the smallest difference in a group?

5 votes
1 answer
191 views

Zorn's Lemma - partial order, or preorder? [duplicate]

4 votes
2 answers
678 views

How is the concept of $\Bbb Z/2\Bbb Z$ extended to $\Bbb N/2\Bbb N$? Is $\Bbb N/2\Bbb N$ ambiguous?

4 votes
1 answer
372 views

Does some Lucas sequence contain infinitely many primes?

4 votes
1 answer
357 views

How do p-adic fields degenerate for non-prime $p$?

4 votes
3 answers
513 views

How might we approach Collatz Conjecture by probabilistic method?

4 votes
3 answers
299 views

What is a generating function?

4 votes
1 answer
1k views

When is a function a permutation of the integers?

4 votes
0 answers
197 views

What triangles do the $p-$adic numbers generate?

3 votes
2 answers
739 views

How do I show convergence in the 2-adics?

3 votes
3 answers
63 views

Is it appropriate to use $\lim$ for a finite sum?

3 votes
1 answer
152 views

Are there meaningful statements about the numbers which cannot be proved with Peano+(independence from Peano)

3 votes
1 answer
306 views

What do we call the restriction of some function to a certain domain?

3 votes
1 answer
142 views

Is it possible to choose uniformly from $(0,1)$?

3 votes
3 answers
2k views

What's the boundary of a sequence of integers?

3 votes
2 answers
188 views

For which $\mathbb{Z}_2$ is the logarithm defined?

3 votes
1 answer
258 views

Does every sequence $4^nx_0+\frac{4^n-1}{3}$ contain a prime?

3 votes
1 answer
223 views

How symmetric is the hierarchy of indecomposable ordinals?

3 votes
2 answers
72 views

Show that $3^{-n}$ have the interesting property that one half of their repeating binary string is the inverse of the other.

3 votes
1 answer
436 views

What's the sum of the inverses of the Primorial numbers?

3 votes
1 answer
141 views

What are the topological properties of the Cantor set if a point is added at the center of every missing segment?

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