Erica Klarreich

Contributing Writer

<p>Powerful new quantitative tools are now available to combat partisan bias in the drawing of voting districts.</p>
applied math

How to Quantify (and Fight) Gerrymandering

Powerful new quantitative tools are now available to combat partisan bias in the drawing of voting districts.

<p>Just five days after posting a retraction, László Babai announced that he had fixed the error in his landmark graph isomorphism algorithm.</p>
Abstractions blog

Graph Isomorphism Vanquished — Again

Just five days after posting a retraction, László Babai announced that he had fixed the error in his landmark graph isomorphism algorithm.

<p>The legendary graph isomorphism problem may be harder than a 2015 result seemed to suggest.</p>
Abstractions blog

Complexity Theory Problem Strikes Back

The legendary graph isomorphism problem may be harder than a 2015 result seemed to suggest.

<p>When divvying something up, there&#8217;s more than one way to define what&#8217;s fair.</p>
Abstractions blog

All Is Not Fair in Cake-Cutting and Math

When divvying something up, there’s more than one way to define what’s fair.

<p>Computer scientists have come up with a bounded algorithm that can fairly divide a cake among any number of people.</p>
algorithm

How to Cut Cake Fairly and Finally Eat It Too

Computer scientists have come up with a bounded algorithm that can fairly divide a cake among any number of people.

<p>At 28, Peter Scholze is uncovering deep connections between number theory and geometry.</p>
profile

The Oracle of Arithmetic

At 28, Peter Scholze is uncovering deep connections between number theory and geometry.

<p>A new series of papers has settled a long-standing question related to the popular game in which players seek patterned sets of three cards.</p>
combinatorics

Simple Set Game Proof Stuns Mathematicians

A new series of papers has settled a long-standing question related to the popular game in which players seek patterned sets of three cards.

<p>The Ukrainian mathematician Maryna Viazovska has solved the centuries-old sphere-packing problem in dimensions eight and 24.</p>
geometry

Sphere Packing Solved in Higher Dimensions

The Ukrainian mathematician Maryna Viazovska has solved the centuries-old sphere-packing problem in dimensions eight and 24.

<p>A previously unnoticed property of prime numbers seems to violate a long-standing assumption about how they behave.</p>
number theory

Mathematicians Discover Prime Conspiracy

A previously unnoticed property of prime numbers seems to violate a long-standing assumption about how they behave.

About the author

Erica Klarreich has been writing about mathematics and science for more than 15 years. She has a doctorate in mathematics from Stony Brook University and is a graduate of the Science Communication Program at the University of California, Santa Cruz. Her work has been reprinted in “The Best Writing on Mathematics 2010” and “The Best Writing on Mathematics 2011.”