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New work on the problem of “scissors congruence” explains when it’s possible to slice up one shape and reassemble it as another.
Two monumental works have led many mathematicians to avoid the equal sign. The process has not always gone smoothly.
As chemists tie the most complicated molecular knot yet, biophysicists create a “periodic table” that describes what kinds of knots are possible.
The 30-year-old math sensation Peter Scholze is now one of the youngest Fields medalists for “the revolution that he launched in arithmetic geometry.”
A complete classification could lead to a wealth of new materials and technologies. But some exotic phases continue to resist understanding.
Voevodsky’s friends remember him as constitutionally unable to compromise on the truth — a quality that led him to produce some of the most important mathematics of the 20th century.