Columbia subject headings:
Duality theory (Mathematics)
Maxima and minima.
Monotone operators.
Monotonic functions.
Harvard subject headings:
Duality theory (Mathematics)
Mathematical optimization.
Mathematics
Maxima and minima.
Monotone operators.
Monotonic functions.
Operator theory.
Systems theory.
Princeton subject headings:
Duality theory (Mathematics)
Maxima and minima.
Monotone operators.
Monotonic functions.