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Mathematician Answers Chess Problem About Attacking Queens

September 21, 2021

The n-queens problem is about finding how many different ways queens can be placed on a chessboard so that none attack each other. A mathematician has now all but solved it.

How Ancient War Trickery Is Alive in Math Today

September 14, 2021

Legend says the Chinese military once used a mathematical ruse to conceal its troop numbers. The technique relates to many deep areas of modern math research.

The Journey to Define Dimension

September 13, 2021

The concept of dimension seems simple enough, but mathematicians struggled for centuries to precisely define and understand it.

New Math Book Rescues Landmark Topology Proof

September 9, 2021

Michael Freedman’s momentous 1981 proof of the four-dimensional Poincaré conjecture was on the verge of being lost. The editors of a new book are trying to save it.

Banach-Tarski and the Paradox of Infinite Cloning

August 26, 2021

One of the strangest results in mathematics explains how it’s possible to turn one sphere into two identical copies, simply by rearranging its pieces.

Math Can, in Theory, Help You Escape a Hungry Bear

August 25, 2021

How readers used their geometry skills to survive a dangerous puzzle.

How Big Data Carried Graph Theory Into New Dimensions

August 19, 2021

Researchers are turning to the mathematics of higher-order interactions to better model the complex connections within their data.

Turing Patterns Turn Up in a Tiny Crystal

August 10, 2021

The mechanism behind leopard spots and zebra stripes also appears to explain the patterned growth of a bismuth crystal, extending Alan Turing’s 1952 idea to the atomic scale.

Mathematicians Solve Decades-Old Classification Problem

August 5, 2021

A pair of researchers has shown that trying to classify groups of numbers called “torsion-free abelian groups” is as hard as it can possibly be.

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