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Voevodsky (left) is awarded the Fields Medal — mathematics' highest prize — in 2002. Photo: Greg Baker / AP

Vladimir Voevodsky, a groundbreaking computer scientist and mathematician, died in his home in Princeton, New Jersey on Sept. 30. Voevodsky was 51 and had been a professor at Princeton University for 15 years.

The Russian-born Voevodosky is credited with pioneering the "motivic homotopy theory" field of mathematics and ushering in the use of computers to check scholars' proofs. Voevodsky's work in computer science was so revolutionary that it shifted the meaning of the = sign, the New York Times reports.

From Voevodsky's colleagues, per the Times:

  • His work "changes the very meaning of what the equals sign means in mathematics ... The foundations of math are like a constitutional document that spells out the governing rules all mathematicians agree to play by. He has given us a new constitution." —Thomas Hales, University of Pittsburgh
  • "His contributions are so fundamental that it's impossible to imagine how things were thought of before him." —Chris Kapulkin, University of Western Ontario

Go deeper: The New York Times' obituary of Vladimir Voevodsky

Go deeper

Updated 2 hours ago - Politics & Policy

Senate pulls all-nighter on amendments to COVID relief package

Photo: Alex Wong/Getty Images

Democratic leaders struck an agreement with Sen. Joe Manchin (D-W.V.) on emergency unemployment insurance late Friday, clearing the way for Senate action on President Biden's $1.9 trillion stimulus package to resume after an hours-long delay.

The state of play: The Senate continued to work through votes on a marathon of amendments overnight into Saturday morning.

The elusive political power of Mexican Americans

Data: Pew Research Center, U.S. Census Bureau; Chart: Michelle McGhee/Axios

Mexican Americans make up the nation's largest Latino group, yet they remain politically outshined by more recently arrived Cuban Americans.

Why it matters: The disparities in political power between Mexican Americans and Cuban Americans reflect the racial, historical, geographical and economic differences within Latino cultures in the U.S.