Julian Rosen's user avatar
Julian Rosen's user avatar
Julian Rosen's user avatar
Julian Rosen
  • Member for 13 years, 11 months
  • Last seen more than a month ago
81 votes

Sophisticated treatments of topics in school mathematics

43 votes

What are reasons to believe that e is not a period?

39 votes
Accepted

Why these surprising proportionalities of integrals involving odd zeta values?

33 votes
Accepted

Classical algebraic varieties VS $k$-schemes VS schemes

27 votes

Does there exist a full and faithful embedding of $\mathsf{Poset}$ in $\mathsf{Set}$?

26 votes

Massive cancellations

24 votes
Accepted

Growth of the "denominator" of powers of an algebraic number

23 votes
Accepted

Similar matrices over $\mathbb Z_p$

22 votes
Accepted

Is every sequence that looks like an AP really an AP?

18 votes
Accepted

How do I evaluate this sum :$\sum_{n=1}^{\infty}\frac{H_{n}^3}{(n+1)2^n} $?

17 votes

The underlying space of a scheme remembers its affineness?

16 votes
Accepted

Is a topological fiber-bundle, whose total space admits a retraction onto a fiber, trivial?

16 votes
Accepted

Is an entire function, with nowhere vanishing derivative, always a covering map?

15 votes

Measuring a presheaf's failure to be a sheaf?

14 votes
Accepted

Evaluating the integral $\int_0^\infty \frac{\psi(x)-x}{x^2}dx.$

14 votes

Evaluating the integral $\int_{1}^{\infty}\frac{\{u\}}{u^{2}}\left(\log u\right)^{k}du.$

13 votes
Accepted

Motives associated to a Number Field

13 votes
Accepted

Must a continuous $\varphi:\mathbb R^n\to\mathbb R^n$ with $\mathbb Q^n \subseteq \varphi[\mathbb Q^n]$ be surjective?

12 votes
Accepted

mod 5 partition identity proof

12 votes

Characterizing $\mathbb{Q}[X]$ via a property of its tensor powers

11 votes
Accepted

Identify ring of polynomials symmetric under forgetting variables

11 votes

Flipping coins on a budget

10 votes
Accepted

Can an odd map be null homotopic?

10 votes
Accepted

Recognize this countably generated abelian group?

10 votes

How few $k$-dimensional subspaces of $V$ are enough to have a complement to each $n-k$-dimensional subspace?

10 votes
Accepted

“Algebraization" of $p$-adic fields

9 votes

Limiting probabilities for two-player game drawing random uniform numbers

9 votes
Accepted

Connectedness of units in finite-dimensional commutative complex algebras

9 votes
Accepted

Is there a "free abelian group of rank 1" in the category of affine group schemes?

8 votes
Accepted

Does the limit of this product over primes converge for all $\Re(s) > \frac12$?