49XX 


Calculus of variations and optimal control; optimization [See also 34H05, 34K35, 65Kxx, 90Cxx, 93XX] 

49Jxx 

Existence theories 


49J05 
Free problems in one independent variable 


49J10 
Free problems in two or more independent variables 


49J15 
Optimal control problems involving ordinary differential equations 


49J20 
Optimal control problems involving partial differential equations 


49J21 
Optimal control problems involving relations other than differential equations 


49J27 
Problems in abstract spaces [See also 90C48, 93C25] 


49J30 
Optimal solutions belonging to restricted classes (Lipschitz controls, bangbang controls, etc.) 


49J35 
Minimax problems 


49J40 
Variational methods including variational inequalities [See also 47J20] 


49J45 
Methods involving semicontinuity and convergence; relaxation 


49J50 
Fréchet and Gateaux differentiability [See also 46G05, 58C20] 


49J52 
Nonsmooth analysis [See also 46G05, 58C50, 90C56] 


49J53 
Setvalued and variational analysis [See also 28B20, 47H04, 54C60, 58C06] 


49J55 
Problems involving randomness [See also 93E20] 


49J99 
None of the above, but in this section 