The topics of 13th GFS, including but not restricted to
1. Green's Function in Water Wave Theory
2. Green's Function in Acoustics
3. Green's Function in Advanced Materials
4. Green's Function in Electrodynamics
5. Green's Function in Quantum Field Theory
6. Green's Function in Multi-body Theory
7. Green's Function for Laplace Operator
8. Green's Function for Diffusion Equation
9. Green's Function for Hamilton Operator
10. Discrete Green's Function
11. Mathematical Theory of Green's Function