15 Advanced Asymptotic Methods

15.1 Bifurcation Methods

15.2 Portfolio Choices for Small Risks

15.3 Gauge Functions and Asymptotic Expansions

15.4 Method of Undetermined Gauges

15.5 Asympotic Expansions of Integrals

15.6 Hybrid Perturbation-Projection Methods

15.7 Further Reading and Summary