47:23
published on February 24, 2026
What is geometry? Some case studies in 19th- and 20th-century mathematics
By Rossana Tazzioli , Ciro Ciliberto
Appears in collection : 2023 - T3 - WS2 - Special Week
High school students learn how to express the solution of a quadratic equation in one unknown in terms of its three coefficients. What does this this formula matter? We offer an answer in terms of discriminants and data. This lecture invites the audience to a journey towards non-linear algebra.