Calculus of Variations

• Beltrami Identity
• Bolza Problem
• Brachistochrone Problem
• Calculus of Variations
• Dido's Problem
• Euler-Lagrange Derivative
• Euler-Lagrange Differential Equation
• Functional Calculus
• Functional Derivative
• Fundamental Lemma of Calculus of Variations
• Goldschmidt Solution
• Isoperimetric Problem
• Isoperimetric Theorem
• Isovolume Problem
• Jacobi Differential Equation
• Morse Function
• Morse Theory
• Navigation Problem
• Plateau's Laws
• Plateau's Problem
• Sinclair's Soap Film Problem
• Tautochrone Problem
• Variation
• Weierstrass-Erdman Corner Condition