16 citations · 106 across the 45 of their papers we have counts for
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math.HO2012
On an error in the star puzzle by Henry E. Dudeney
Alex Ravsky
We found a solution of the star puzzle (a path on a chessboard from c5 to d4 in 14 straight strokes) in 14 queen moves, which has been claimed by the author as impossible.
math.MG2012
On curves contained in convex subsets of the plane
Don Coppersmith, Gyozo Nagy, Alex Ravsky
If K' and K are convex bodies of the plane such that K' is a subset of K then the perimeter of K' is not greater than the perimeter of K. We obtain the following generalization of…