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Harmonic analysis

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What Is Math’s Mysterious Langlands Program Really About?

September 9, 2026

Hidden correspondences hint at a deeper structure to the mathematical universe. Our columnist unpacks one of those connections and asks mathematicians what they might mean.

Graduate Student Proves a Quantum Uncertainty Principle for Fractals

August 12, 2026

The math, which combines chaos, quantum theory, and infinitely complex fractal structures, has been called a “foundational result.”

Living Fully in the Math World Means Threading the Needle

July 23, 2026

Focus, commitment, and insight resulted in a “once in a century” proof. Hong Wang is now just the third woman to win a Fields Medal.

Networks Hold the Key to a Decades-Old Problem About Waves

January 28, 2026

Mathematicians are still trying to understand fundamental properties of the Fourier transform, one of their most ubiquitous and powerful tools. A new result marks an exciting advance toward that goal.

What Is the Fourier Transform?

September 3, 2025

Amid the chaos of revolutionary France, one man’s mathematical obsession gave way to a calculation that now underpins much of mathematics and physics. The calculation, called the Fourier transform, decomposes any function into its parts.

At 17, Hannah Cairo Solved a Major Math Mystery

August 1, 2025

After finding the homeschooling life confining, the teen petitioned her way into a graduate class at Berkeley, where she ended up disproving a 40-year-old conjecture.

Graduate Student Solves Classic Problem About the Limits of Addition

May 22, 2025

A new proof illuminates the hidden patterns that emerge when addition becomes impossible.

‘Once in a Century’ Proof Settles Math’s Kakeya Conjecture

March 14, 2025

The deceptively simple Kakeya conjecture has bedeviled mathematicians for 50 years. A new proof of the conjecture in three dimensions illuminates a whole crop of related problems.

Monumental Proof Settles Geometric Langlands Conjecture

July 19, 2024

In work that has been 30 years in the making, mathematicians have proved a major part of a profound mathematical vision called the Langlands program.