Explore the concept of dual codes in error-correcting theory with Hiram Lopez from Virginia Tech. Delve into the mathematical foundations and applications of evaluation codes and their duals in this 41-minute lecture presented at the Simons Institute. Gain insights into recent advances in coding theory and how dual codes contribute to the development of more efficient error-correction techniques. Examine the relationship between evaluation codes and their dual counterparts, understanding their properties and potential implications for information transmission and data integrity.