Source Wolfram MathWorld
Source Encyclopaedia Britannica, Mathematics
Source Beal Conjecture (Wikipedia)
Source MacTutor History of Mathematics Archive
Additional Source Birch and Swinnerton-Dyer Conjecture (Wikipedia)Background section, opening paragraph
Co-formulated the Birch and Swinnerton-Dyer conjecture on elliptic curves, one of number theory's Millennium Prize problems.
Source Bryan Birch (Wikipedia)
Source MacTutor History of Mathematics Archive
Source Chinese Remainder Theorem (Wikipedia)
Source MacTutor History of Mathematics Archive
Source Wolfram MathWorld
Additional Source Collatz Conjecture (Wikipedia)Footer categories, Unsolved problems in number theory
Formulated the abc conjecture (with Joseph Oesterle) and works on transcendental number theory and Diophantine approximation.
Source David Masser (Wikipedia)
Additional Source Erdos-Straus Conjecture (Wikipedia)Opening paragraph
Source MacTutor History of Mathematics Archive
Source Encyclopaedia Britannica, Mathematics
Additional Source Wikipedia: Fermat's Last TheoremLead section
Source Fibonacci Sequence (Wikipedia)
Source MacTutor History of Mathematics Archive
Additional Source Fundamental Theorem of Arithmetic (Wikipedia)Opening section
Source MacTutor History of Mathematics Archive
Additional Source Goldbach's Conjecture (Wikipedia)Opening paragraph
Source Golden Ratio (Wikipedia)
Source MacTutor History of Mathematics Archive
Additional Source Euclid's Theorem (Wikipedia)Opening section
Source Legendre's Conjecture (Wikipedia)
Source MacTutor History of Mathematics Archive
Source MacTutor History of Mathematics Archive
Source MacTutor History of Mathematics Archive
Source MacTutor History of Mathematics Archive
Source MacTutor History of Mathematics Archive
Source MacTutor History of Mathematics Archive
Source Mathematics Atlas Long-Form Articles, First Edition
Source Prime Number Theorem (Wikipedia)
Source MacTutor History of Mathematics Archive
Source Clay Mathematics Institute
Additional Source Riemann Hypothesis (Wikipedia)Opening paragraph
Works in number theory and arithmetic geometry; developed inter-universal Teichmuller theory in pursuit of the abc conjecture.
Source Shinichi Mochizuki (Wikipedia)
Source MacTutor History of Mathematics Archive
Source MacTutor History of Mathematics Archive
Primary research area per his own faculty profile: Diophantine approximation and algebraic number theory, alongside cryptography.
Source Thomas Cusick, Faculty Page, University at Buffalo
Source MacTutor History of Mathematics Archive
Additional Source Wikipedia: Twin PrimeOpening paragraph
Zero, Concepts Source MacTutor History of Mathematics Archive