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578167

bio	website
	location	Berlin, Germany
	age	43
visits	member for	2 years, 3 months
	seen	3 hours ago
stats	profile views	12,529

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2,401 Answers

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138	Self-Contained Proof that $\sum\limits_{n=1}^{\infty} \frac1{n^p}$ Converges for $p > 1$
71	Deleting any digit yields a prime… is there a name for this?
51	Multiple-choice question about the probability of a random answer to itself being correct
44	For which number does multiplying it by 99 add a 1 to each end of its decimal representation?
37	What's the largest possible volume of a taco, and how do I make one that big?

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92,733 Reputation

+15	How Many Clock Hand Positions Swap to a Valid Position?
+10	What's the proof of correctness for Robert Floyd's algorithm for selecting a single, random combination of values?
+10	use residues to evaluate sum involving square of csch
+10	Self-Contained Proof that $\sum\limits_{n=1}^{\infty} \frac1{n^p}$ Converges for $p > 1$

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15 Questions

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19	an integer sum of products of tangents
13	A proof of Wolstenholme's theorem
12	necessary and sufficient condition for trivial kernel of a matrix over a commutative ring
11	Arnol'd's trivium problem #68
10	definite and indefinite sums and integrals

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385 Tags

944 probability × 365	481 sequences-and-series × 90
768 combinatorics × 263	414 real-analysis × 90
568 calculus × 144	400 homework × 181
531 linear-algebra × 205	313 matrices × 120
509 geometry × 174	269 graph-theory × 101

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19 Accounts

$Mathematics Stack Exchange$	Mathematics	92,733 rep	578167
	Stack Overflow	461 rep	29
	Cross Validated	421 rep	14
	German Language & Usage	295 rep	13
	Physics	256 rep	13

81 Badges

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homework	differential-equations
Legendary	Popular Question
Nice Answer × 95	Revival × 12
Good Answer × 10	Nice Question × 5
Caucus × 3	real-analysis

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2,630 Votes Cast

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