Mark S.
Reputation
5,055
30/100 score
 14h revised Check an algorithm to win hex as first player guaranteed added tags 14h revised Did Feynman mentally compute $\sqrt[3]{1729.03}$ by linear approximation? added tag Apr 25 revised Does there exist a complex function which is differentiable at one point and nowhere else continuous? added tag Apr 25 revised Can a complex function be complex-differentiable at a point and not in a neighborhood? added tag Apr 24 revised Show that $d(z,z_1)$ is a metric. This problem doesn't seem to have to do with functional analysis Apr 18 revised Define Grundy values deleted 83 characters in body; added 5 characters in body Apr 17 revised Tutorials for Sprague-Grundy Theorem/Nimbers? added 137 characters in body Apr 17 revised Tutorials for Sprague-Grundy Theorem/Nimbers? added note about dead link Apr 17 revised Tutorials for Sprague-Grundy Theorem/Nimbers? edited tags; edited title Apr 10 revised Function that maps the “pureness” of a rational number? edited tags Apr 4 revised show that ∀ x P ( x ) ∨ ∀ x Q ( x ) is logically equivalent to ∀ x ∀ y ( P ( x ) ∨ Q ( y )) . (Domains for x and y are the same). edited tags Mar 26 revised Misere nim, 2nd player winning strategy proof by induction edited tags Mar 22 revised Alice and bob xor nim game edited tags Mar 14 revised B & W balls in box. If any time we draw out a ball, the current count of white is always more than black, how many possible cases? as this is a one-player-game with hidden information, it's not really a cgt problem Mar 12 revised Determine optimal strategy in board game added 68 characters in body Mar 10 revised Game, stealing edges in a graph. added tags Mar 9 revised Completing ordered Fields added surreal numbers tag Mar 9 revised How to find periodicity of a nim sequence? added cgt tag Mar 4 revised Placing circles inside of a regular polygon. added cgt tag Mar 2 revised Game-winning strategy clarified some things about the Sprague-Grundy theorem