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Stack Exchange

Steven Stadnicki

Seattle, WA

Software engineer and long-time dabbler in mathematics; 11th in the Putnams forever ago but I've long since atrophied.
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Top Questions
58 votes

What's the value of this Viète-style product involving the golden ratio?

number-theory sequences-and-series asked Oct 6 '10 at 22:47
math.stackexchange.com

51 votes

A maze puzzle for the day

mazes asked Apr 1 '15 at 22:26
puzzling.stackexchange.com

48 votes

Self-referential Sudoku

sudoku arithmetic asked Apr 15 '15 at 22:45
puzzling.stackexchange.com

31 votes

How asymptotically bad is naive shuffling?

algorithms algorithm-analysis asymptotics probability-theory randomness asked Nov 6 '12 at 19:22
cs.stackexchange.com

25 votes

Is regex golf NP-Complete?

complexity-theory np-complete regular-expressions asked Jan 13 '14 at 9:26
cs.stackexchange.com

25 votes

How to create mazes on the hyperbolic plane?

graph-theory recreational-mathematics hyperbolic-geometry percolation asked Nov 16 '11 at 0:02
math.stackexchange.com

22 votes

Is the Collatz conjecture in $\Sigma_1 / \Pi_1$?

logic recreational-mathematics computability asked Jan 18 '12 at 18:44
math.stackexchange.com

19 votes

What is the complexity of succinct (binary) Nurikabe?

computer-science puzzle np-complete computational-complexity asked Mar 30 '11 at 19:13
math.stackexchange.com

19 votes

How common are offensive words in tournament Scrabble play?

scrabble tournament asked Aug 27 '14 at 4:12
boardgames.stackexchange.com

18 votes

In EDH/Commander, what is the 'color identity' of a double-faced card?

magic-the-gathering mtg-commander mtg-double-faced-cards mtg-color-identity asked Jan 23 '12 at 18:02
boardgames.stackexchange.com

1 2 3 4 5

Top Answers
117
Does the square or the circle have the greater perimeter? A surprisingly hard problem for high schoolers
math.stackexchange.com

106
Can a piece of A4 paper be folded so that it's thick enough to reach the moon?
math.stackexchange.com

100
In the history of mathematics, has there ever been a mistake?
math.stackexchange.com

87
The Mathematics of Tetris
math.stackexchange.com

62
Does newer card text on a Magic: The Gathering card override the old wording?
boardgames.stackexchange.com

60
if there are 5 points on a sphere then 4 of them belong to a half-sphere.
math.stackexchange.com

57
Why can ALL quadratic equations be solved by the quadratic formula?
math.stackexchange.com

53
A (probably trivial) induction problem: $\sum_2^nk^{-2}\lt1$
math.stackexchange.com

50
In calculus, which questions can the naive ask that the learned cannot answer?
math.stackexchange.com

47
Koch snowflake paradox: finite area, but infinite perimeter
math.stackexchange.com

43
Multiple-choice question about the probability of a random answer to itself being correct
math.stackexchange.com

41
Origin of the dot and cross product?
math.stackexchange.com

38
Which is bigger: $9^{9^{9^{9^{9^{9^{9^{9^{9^{9}}}}}}}}}$ or $9!!!!!!!!!$?
math.stackexchange.com

36
What is this pattern called?
math.stackexchange.com

34
How can I write the numbers 5 and 7 as some sequence of operations on three 9s?
math.stackexchange.com

33
Proof that $\sin10^\circ$ is irrational
math.stackexchange.com

33
Can Mickey Mouse divide by $7$?
math.stackexchange.com

33
Questions on a self-made theorem about polynomials
math.stackexchange.com

30
How many digits does the integer zero have?
math.stackexchange.com

29
How to force prime numbers into a line?
math.stackexchange.com

29
Is it true to say that “it's not logically possible to prove something can't be done”?
math.stackexchange.com

29
Hole inside cube with tetrahedrons at corners?
math.stackexchange.com

28
Is this of any real importance to the mathematical scientific community?
math.stackexchange.com

27
Why does the Fibonacci Series start with 0, 1?
math.stackexchange.com

26
If $a^3 b = ba^3$ and if $ a $ has order 7, show that $ab = ba$
math.stackexchange.com

26
Why is Bazaar of Baghdad supposedly such a good card?
boardgames.stackexchange.com

24
What are some examples of notation that really improved mathematics?
math.stackexchange.com

23
Why can't polynomials have negative exponents or division by a variable
math.stackexchange.com

22
Is $\sum_{n=1}^{+ \infty}\left(\frac {1}{n}-\frac{1}{p_n}\right)$ convergent?
math.stackexchange.com

21
Evidence against Goldbach's Conjecture?
math.stackexchange.com

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