Social planner
Extinction (optical mineralogy)
Intervention (counseling)
Economics
Abundance (ecology)
Pontryagin's minimum principle
Stability (learning theory)
Ecology
Population
Planner
Habitat
Population growth
Natural resource economics
Biology
Microeconomics
Optimal control
Mathematics
Computer science
Mathematical optimization
Demography
Psychology
Paleontology
Machine learning
Psychiatry
Sociology
Programming language
