EntityQ505735· pop 21· linked from 239 articlesLagrangianSign in to savefunctional of dynamical variables whose variation yields the equations of motion in Lagrangian mechanicsConnectionsgeodesic curveEntityMinkowski spacetimeEntityEuler–Lagrange equationEntityRiemannian manifoldEntityYang–Mills theoryEntitysectionEntityHodge star operatorEntityenergyEntitygravityEntityquantum mechanicsEntitymassEntityInternational Standard Book NumberEntitytheory of relativityEntityreal numberEntitysetEntityquarkEntitydigital object identifierEntitymomentumEntityintegralEntityderivativeEntityCategoriesCalculus of variationsClassical field theoryMathematical physicsQuantum field theory