Zeno

Zeno, the Greek philosopher and mathematical critic, lived in Elea on the east coast of Italy some 200 years before Archimedes. As the author of our first and most ancient puzzle (see Achilles & the Tortoise), Zeno makes an appropriate host for these pages.

Puzzles

Here we are featuring the world's top 100 puzzles of all time. The puzzles have been organized for your convenience into five categories.

Combinatorics & Optimization: Traversal puzzles, permutations and arrangements
Computer Science: Algorithmic puzzles, automata word games and circuit problems
Logic and Reasoning: Deducing not so obvious facts from all too obvious premises
Probability and Statistics: Problems in basic probability, expectation, distributions and statistical reasoning
Geometry: Puzzles in two- and three-dimensional geometry, dissections and cross-sections
Pure Math: Puzzles in number theory, analysis, and topology

Dedication

This feature is dedicated to Martin Gardner, whose latest work, The Colossal Book of Mathematics, has recently appeared.

Acknowledgments

Zeno wishes to acknowledge the valuable input of many visitors, including John Abbott, Ian Allen, Bill Cheong, Thomas Clement, Gary Darby, Martin Demaine, Kyle Gagnet, Jonathan Leaf, Marc Mulligan, Josh Purinton, Tom Ruen, Gilles Savoie, Mohammad Shoaib, Vitorino Silvado, Cliff Stoll, Zac Thompson, Peter van Beek, and John Zila

Zeno's Corner

Zeno

Puzzles

Dedication

Acknowledgments