49-XX Calculus of variations and optimal control; optimization [See also 34H05, 34K35, 65Kxx, 90Cxx, 93-XX] 103204
49Rxx Variational methods for eigenvalues of operators [Should also be assigned at least one other classification number in Section 49-XX] [See also 47A75] 1515
49R05 Variational methods for eigenvalues of operators [Should also be assigned at least one other classification number in Section 49-XX] [See also 47A75] 526