Since it was proposed by polymath H. Poincare' in 1904, who sought to mathematically define the topology of a sphere, mathematicians had sought to prove the theorem. For more than a century, the best ...

In early April 2002, Dr. Grigori Perelman of the Steklov Institute of Mathematics in St. Petersburg gave a series of public lectures at the Massachusetts Institute of Technology. In the lectures he ...

MADRID, Spain -- A reclusive Russian genius won the Fields Medal, the math world's highest honor, Tuesday for work toward resolving a 100-year-old brain-twister. But he shunned the ceremony and stayed ...

It may be no accident that, while some of the best American mathematical minds worked to solve one of the century's hardest problems—the Poincaré Conjecture—it was a Russian mathematician working in ...

Grigori Perelman, a Russian mathematician, solved one of the world's most complicated math problems several years ago. The Poincare Conjecture was the first of the seven Millennium Prize Problems to ...

Reclusive mathematician Grigory Perelman proved the Poincaré conjecture. But he refused a $1 million prize for solving this famous puzzle – in part because he believed he wasn’t the only one ...

Michael Freedman’s momentous 1981 proof of the four-dimensional Poincaré conjecture was on the verge of being lost. The editors of a new book are trying to save it. One of the most important pieces of ...

Seven years ago, a reclusive Russian mathematician, Grigori Perelman, startled the scientific world by claiming to solve one of the most famous and intractable problems in mathematics, called the ...

Grisha Perelman has finally spoken. The reclusive Russian mathematician Grigory Perelman, aka Grisha, gained worldwide fame by claiming to have solved one of the world’s most intractable mathematical ...