Quantum computers take a step into real materials science
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Ponder This Challenge - December 2006 - Cycles size in random permutation
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - November 2006 - Expressions with 1,2,3,4
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - October 2006 - Fraction of area of triangle
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - September 2006 - f(n)=(1+(n*n-n)*f(n-1))/(n*n+1)
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - August 2006 - Value of future contract
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - July 2006 - Approximations of 1/x and sqrt(x)
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - June 2006 - Fraction of vertical dominoes
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - May 2006 - Distance configuration of 4 points
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - April 2006 - Random walk on a hypercube
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - March 2006 - Expected area of random triangle
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - February 2006 - Random [0,1] poker game
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - January 2006 - Size of smallest/largest piece
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - December 2005 - Barring polyominoes from infinite board
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - November 2005 - Size of finite random binary tree
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - October 2005 - Matrices with special 2x2 minors
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - September 2005 - Acceleration rate of pulley system
PuzzleGadi Aleksandrowicz- Ponder This