49-XX Calculus of variations and optimal control; optimization [See also 34H05, 34K35, 65Kxx, 90Cxx, 93-XX] 92378
49Sxx Variational principles of physics [Should also be assigned at least one other classification number in Section 49-XX] 3618
49S05 Variational principles of physics [Should also be assigned at least one other classification number in Section 49-XX] 3602