text: In his doctoral thesis, Yuri Matiyasevich ["Mat-ih-yeh-sih-vich"] proved the tenth one of these is impossible.
full_question: In his doctoral thesis, Yuri Matiyasevich ["Mat-ih-yeh-sih-vich"] proved the tenth one of these is impossible. Max Dehn solved the easiest one, the third, within a year of this list being presented. The first, the continuum hypothesis, is partially solved, while the eighth, the Riemann Hypothesis remains unsolved. First presented to the International Congress of Mathematicians in 1900, this is for ten points what list of unsolved mathematical problems named for its creator?
first_sentence: In his doctoral thesis, Yuri Matiyasevich ["Mat-ih-yeh-sih-vich"] proved the tenth one of these is impossible.