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Quadrata

A Latin Square Puzzle Blog

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Showing posts from 2024

December 30, 2024

Last Chance 2024 Puzzle!

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December 24, 2024

Snowflake Puzzle 2024

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November 27, 2024

The Group Theory Puzzle Book

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November 11, 2024

MAA Fall Meeting Padovan Sum Puzzle

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November 04, 2024

Fibsum Associahedron

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October 13, 2024

Eleven Sizedoku

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David Nacin: David Nacin is a professor at William Paterson University and author of the books Math-Infused Sudoku and The Group Theory Puzzle Book. He enjoys designing and studying puzzles that involve partition identities, the motion of chess pieces, finite groups, and other mathematical structures.

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