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Jordana Cepelewicz

Senior Writer

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Latest Articles

A modular form is shown as a distorted, rainbow-hued dome atop concentric circles.
number theory

New Proof Distinguishes Mysterious and Powerful ‘Modular Forms’

By Jordana Cepelewicz
March 9, 2023
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Using “refreshingly old” tools, mathematicians resolved a 50-year-old conjecture about how to categorize important functions called modular forms, with consequences for number theory and theoretical physics.

geometry

Mathematicians Complete Quest to Build ‘Spherical Cubes’

By Jordana Cepelewicz
February 10, 2023
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Is it possible to fill space “cubically” with shapes that act like spheres? A proof at the intersection of geometry and theoretical computer science says yes.

geometry

‘Nasty’ Geometry Breaks Decades-Old Tiling Conjecture

By Jordana Cepelewicz
December 15, 2022
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Mathematicians predicted that if they imposed enough restrictions on how a shape might tile space, they could force a periodic pattern to emerge. But they were wrong.

A GIF of a spinning vortex made up of fluid equations
fluid dynamics

Computer Proof ‘Blows Up’ Centuries-Old Fluid Equations

By Jordana Cepelewicz
November 16, 2022
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For more than 250 years, mathematicians have wondered if the Euler equations might sometimes fail to describe a fluid’s flow. A new computer-assisted proof marks a major breakthrough in that quest.

Svetlana Jitomirskaya in a blue shirt with her hands out.
Q&A

A Mathematician Who Fled to Freedom but Still Faces Doubts

By Jordana Cepelewicz
November 1, 2022
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Svetlana Jitomirskaya was born in Ukraine, but left the Soviet Union to escape sexism and antisemitism. Even though her work in mathematical physics has now been honored with one of the field’s top prizes, she finds herself still fighting old battles.

A teenager wearing a blue polo shirt and glasses.
number theory

Teenager Solves Stubborn Riddle About Prime Number Look-Alikes

By Jordana Cepelewicz
October 13, 2022
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In his senior year of high school, Daniel Larsen proved a key theorem about Carmichael numbers — strange entities that mimic the primes.

A spacecraft, laptop, QR code and CD
information theory

How Mathematical Curves Enable Advanced Communication

By Jordana Cepelewicz
September 19, 2022
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A simple geometric idea has been used to power advances in information theory, cryptography and even blockchain technology.

algebraic geometry

Old Problem About Mathematical Curves Falls to Young Couple

By Jordana Cepelewicz
August 25, 2022
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Eric Larson and Isabel Vogt have solved the interpolation problem — a centuries-old question about some of the most basic objects in geometry. Some credit goes to the chalkboard in their living room.

cryptography

‘Post-Quantum’ Cryptography Scheme Is Cracked on a Laptop

By Jordana Cepelewicz
August 24, 2022
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Two researchers have broken an encryption protocol that many saw as a promising defense against the power of quantum computing.


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About the author

Jordana Cepelewicz is a senior writer at Quanta Magazine covering mathematics (and previously biology). Her writing has also appeared in Nautilus and Scientific American. Before entering the world of science reporting, Jordana did editorial work at Harper’s Magazine, Politico and Tea Leaf Nation. She graduated from Yale University in 2015 with bachelor’s degrees in mathematics and comparative literature.
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