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math.CO2017
Analysis of the gift exchange problem
Moa Apagodu, David Applegate, N. J. A. Sloane +1
In the gift exchange game there are n players and n wrapped gifts. When a player's number is called, that person can either choose one of the remaining wrapped gifts, or can "steal…
math.CO2017★ 6 cited
Tetris Hypergraphs and Combinations of Impartial Games
Endre Boros, Vladimir Gurvich, Nhan Bao Ho +2
The Sprague-Grundy (SG) theory reduces the sum of impartial games to the classical game of . We generalize the concept of sum and introduce $\cH$-combinations of impartial gam…
math.CO2011
The C-finite Ansatz
Doron Zeilberger
While it is trivial to multiply two C-finite sequences (just like integers), it is not quite so trivial to "factorize" them, or to decide whether they are "prime". The former is pl…