List of variational topics
# List of variational topics

This is a list of variational topics in from mathematics and physics. See calculus of variations for a general introduction.

* Action (physics)
* Averaged Lagrangian
* Brachistochrone curve
* Calculus of variations
* Catenoid
* Cycloid
* Dirichlet principle
* Euler–Lagrange equation cf. Action (physics)
* Fermat's principle
* Functional (mathematics)
* Functional derivative
* Functional integral
* Geodesic
* Isoperimetry
* Lagrangian
* Lagrangian mechanics
* Legendre transformation
* Luke's variational principle
* Minimal surface
* Morse theory
* Noether's theorem
* Path integral formulation
* Plateau's problem
* Prime geodesic
* Principle of least action
* Soap bubble
* Soap film
* Tautochrone curve
