8 citations · 48 across the 76 of their papers we have counts for
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math.CO2016★ 1 cited
Coins that Change Their Weights
Tanya Khovanova, Konstantin Knop
As in many coin puzzles, we have several identical-looking coins, with one of them fake and the rest real. The real coins weigh the same. Our fake coin is special in that it can ch…
math.CO2016
Discreet Coin Weighings and the Sorting Strategy
Tanya Khovanova, Rafael M. Saavedra
In 2007, Alexander Shapovalov posed an old twist on the classical coin weighing problem by asking for strategies that manage to conceal the identities of specific coins while provi…
math.CO2016
Alternator Coins
Benjamin Chen, Ezra Erives, Leon Fan +9
We introduce a new type of coin: \textit{the alternator}. The alternator can pretend to be either a real or a fake coin (which is lighter than a real one). Each time it is put on a…