Many-body problem 2 Mathematics 2 Algebra 1 Gravitational collapse 1 Mathematical physics 1 Measure theory 1 Nuclear matter 1 Nuclear models 1 Nuclear spin 1 Number theory 1 Particles (Nuclear physics) 1 Perturbation (Quantum dynamics) 1 Probabilities 1 Radiation 1 Stars 1 Stochastic analysis 1 Stochastic control theory 1 Stochastic partial differential equations 1 Study and teaching (Middle school) 1 Symmetry (Physics) 1