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A fundamental question in classical complex geometry concerns the types of meromorphic functions that a Riemann surface can admit. It is underlying question behind the Riemann-Roch theorem, and its study leads naturally to the discovery of the Jacobian of a curve. When these same questions are asked for families of Riemann surfaces, one is led quickly to a study of the space of punctured Riemann surfaces in an algebraic torus. I will discuss the geometry of this latter space. I will try to give a sense for how an understanding of its geometry leads to new results in areas of classical interest, such as Brill-Noether theory, as well as contemporary ones, such as Gromov-Witten theory. The story is held together by a rich underlying combinatorial structure, which is part of tropical geometry.
Donnerstag, den 20. April 2023 um 17.15 Uhr, in Mathematikon, INF 205, HS Donnerstag, den 20. April 2023 at 17.15 , in Mathematikon, INF 205, HS
Der Vortrag folgt der Einladung von The lecture takes place at invitation by Prof. A. Schmidt