Ruprecht-Karls-Universität Heidelberg
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„Cross-ratio dynamics on ideal polygons“
Lecture 4
Prof. Sergei Tabachnikov, Pennsylvania State University

Define a relation between labeled ideal polygons in the hyperbolic 3-space by requiring that the complex distances (a combination of the distance and the angle) between their respective sides equal a constant c; the complex number c is a parameter of the relation. This defines a 1-parameter family of maps on the moduli space of ideal polygons in the hyperbolic space (or, in its real version, in the hyperbolic plane). I shall discuss complete integrability of this family of maps and related topics, including a continuous version of this relation.

Mittwoch, den 24. Juli 2019 um 11.00-13.00 Uhr Uhr, in Mathematikon (4. OG), SR 9 Mittwoch, den 24. Juli 2019 at 11.00-13.00 Uhr, in Mathematikon (4. OG), SR 9

Der Vortrag folgt der Einladung von The lecture takes place at invitation by Prof. Peter Albers

Ankündigung / Poster (pdf)