Explore the fundamentals of nonlinear dynamics through a lecture focusing on catastrophe theory. Delve into this advanced mathematical concept as part of a broader program on modern finance and macroeconomics. Learn how catastrophe theory can be applied to understand sudden changes in complex systems, including financial markets and economic phenomena. Gain insights from renowned economist Vishwesha Guttal as he explains the principles and applications of this powerful analytical tool. Discover how nonlinear dynamics and catastrophe theory contribute to a multidisciplinary approach in analyzing the interface between the financial sector and the overall macroeconomy, moving beyond conventional neoclassical economic frameworks.