Explore the intricacies of superstring amplitudes and double copy theory in this high-energy theory seminar presented by Francis Brown from Oxford University. Delve into advanced topics such as string perturbation theory, multiple zeta values, and the double copy theorem. Gain insights into complex mathematical concepts including dlog forms, beta functions, and Archimedean height pairing. Follow the speaker's philosophical approach to understanding these advanced physics concepts and their applications in string theory. Engage with the dialogue rhythm of the presentation as Brown guides you through increasingly complicated examples and integrals, providing a comprehensive overview of this cutting-edge research in theoretical physics.