R. G. D. Richardson

1878 – 1949

• A new method in boundary problems for differential equations
• Contributions to the study of oscillation properties of the solutions of linear differential equations of the second order
• Das Jacobische Kriterium der Variationsrechnung und die Oszillationseigenschaften linearer Differentialgleichungen 2. Ordnung
• On the saddlepoint in the theory of maxima and minima and in the calculus of variations
• Theorems of oscillation for two linear differential equations of the second order with two parameters
• Über die notwendigen und hinreichenden Bedingungen für das Bestehen eines kleinschen Oszillationstheorems