Paul Erdős, known as the most prolific mathematician of the 20th century, proposed many unsolved problems throughout his life, known as 'Erdős problems.' GPT-5.2 Pro solved one of these problems, and ...
Little progress had been made in solving Ramsey problems since the 1930s. Now, researchers have found the answer to r(4,t), a longstanding Ramsey problem that has perplexed the math world for decades.