Rainbow Proof Shows Graphs Have Uniform Parts

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COMBINATORICS

 

Rainbow Proof Shows Graphs Have Uniform Parts

By KEVIN HARTNETT

Mathematicians have proved that copies of smaller graphs can always be used to perfectly cover larger ones.

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MULTIMEDIA
 

The Map of Mathematics

A project by QUANTA MAGAZINE.
Text by KEVIN HARTNETT. 
Design by KIM ALBRECHT and JONAS PARNOW.  

What is the state of mathematics today? This interactive feature can give you the flavor of the major questions and controversies that animate the field.

Explore the interactive

ABSTRACTIONS BLOG(2019)
 

Mathematicians Begin to Tame Wild 'Sunflower' Problem

By KEVIN HARTNETT 

A major advance toward solving the 60-year-old sunflower conjecture is shedding light on how order begins to appear as random systems grow in size. 

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EXOPLANETS
 

New Exoplanet Search Strategy Claims First Discovery

By NOLA TAYLOR REDD

By watching for a special kind of flare, astronomers have identified the fingerprints of an Earth-size planet orbiting a distant star.

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ABSTRACTIONS BLOG(2019)

 

As Planet Discoveries Pile Up, a Gap Appears in the Pattern

By REBECCA BOYLE
 

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ABSTRACTIONS BLOG
 

'Radical Change' Needed After Latest Neutron Star Collision

By DANA NAJJAR

A recent neutron star merger has defied astronomers' expectations, leading them to question longstanding ideas about neutron stars and the supernovas that create them.

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ASTRONOMY(2017)

 

Neutron-Star Collision Shakes Space-Time and Lights Up the Sky

By KATIA MOSKVITCH
 

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THE JOY OF X
 

Corina Tarnita and the Deep Mathematics of Social Insects

Hosted by STEVEN STROGATZ

Corina Tarnita, a professor of ecology and theoretical biology at Princeton University, describes how mathematics helped her learn to love biology. Then she cracks the mystery of "fairy circles" in Africa.

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