Solomon Lefschetz

1884 – 1972

• Differential equations: geometric theory
• Topology
• Algebraic geometry
• Algebraic Geometry
• Algebraic topology
• Applications of algebraic topology
• Contributions to the theory of nonlinear oscillations
• Contributions to the theory of nonlinear oscillations
• Contributions to the Theory of Nonlinear Oscillations, Volume II. (AM-29) (Annals of Mathematics Studies)
• Contributions to the Theory of Nonlinear Oscillations, Volume III. (AM-36) (Annals of Mathematics Studies)
• Contributions to the Theory of Nonlinear Oscillations, Volume IV. (AM-41) (Annals of Mathematics Studies)
• Differential equations