Which Russian mathmatician contributed to number theory, Grigori Perelman or Ivan Fesenko?
Ivan Fesenko Ivan Fesenko (Russian: Иван Борисович Фесенко ; born 1962) is a mathematician working in number theory and other areas of modern mathematics.
Asher Peres Asher Peres (Hebrew: אשר פרס‎ ‎ ; January 30, 1934 – January 1, 2005) was an Israeli physicist, considered a pioneer in quantum information theory, as well as the connections between quantum mechanics and the theory of relativity.