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dfeuer
  • Member for 12 years, 8 months
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16 Offered bounties for 1,700 reputation

48 votes
2 answers
4k views
+500

Existence of non-constant continuous functions

48 votes
2 answers
4k views
+300

Existence of non-constant continuous functions

14 votes
1 answer
500 views
+50

Searching for tighter bounds

1 vote
1 answer
211 views
+50

Generalizing a number puzzle: maximizing the product of two numbers formed from nine digits

36 votes
5 answers
3k views
+100

Can this ant find its way back to the nest?

6 votes
2 answers
371 views
+50

The condition for $Y$ to make $\mathbb{E}[\max\{X_1+Y,X_2\}] > \mathbb{E}[\max\{X_1, X_2\}]$

2 votes
1 answer
152 views
+50

A question on spaces with a point countable base?

593 votes
14 answers
381k views
+50

Integral $\int_{-1}^1\frac1x\sqrt{\frac{1+x}{1-x}}\ln\left(\frac{2\,x^2+2\,x+1}{2\,x^2-2\,x+1}\right) \mathrm dx$

9 votes
5 answers
676 views
+100

Parametric equation of $x^y=y^x$ curve

28 votes
2 answers
3k views
+100

Any two points in a Stone space can be disconnected by clopen sets

2 votes
3 answers
247 views
+50

Hint on power sum coefficients

45 votes
8 answers
21k views
+50

Find $f(x)$ such that $f(f(x)) = x^2 - 2$

7 votes
3 answers
525 views
+50

Path Connectedness of a Set

195 votes
5 answers
8k views
+100

A Topology such that the continuous functions are exactly the polynomials

195 votes
5 answers
8k views
+50

A Topology such that the continuous functions are exactly the polynomials

30 votes
6 answers
4k views
+50

Motivation for/history of Jacobi's triple product identity