Ricardo Waibel

Braess’s Paradox as a Routing Problem

Written by Luca M. Tittel Motivation Braess’s Paradox is a phenomenon rarely witnessed in street-networks or even similar networks like power-networks or some mechanical Systems. It describes the occurrence of the overall flow of a network increasing while the ”capacity”…

Unterrichtsvorhaben: Gerechte Teilung und die Arbeit mit Protokollen am Beispiel der Kuchenteilung

Written by Tabea Bokelmann, Malin Clasen, Eva Hettler This work was created during a HEGL seminar targeted at students in the teaching programme. As the aim is to produce materials for use in schools, the following will be in German.…

Workshop zur Mathematik hinter dem Spiel Dobble

Written by Hannah Gebhardt, Solveig Harder, Hannah Renner This work was created during a HEGL seminar targeted at students in the teaching programme. As the aim is to produce materials for use in schools, the following will be in German.…

Workshop zur Spieltheorie

Written by Jule Dyck, Michelle Rehmer, Alina Vogel This work was created during a HEGL seminar targeted at students in the teaching programme. As the aim is to produce materials for use in schools, the following will be in German.…

Interaktive Website zur Benfordschen Verteilung

Written by Johannes Kadel, Luca-Marie Carstens, Gino Rincon This work was created during a HEGL seminar targeted at students in the teaching programme. As the aim is to produce materials for use in schools, the following will be in German.…

Stationsarbeit Graphentheorie

Written by Annika Lehmann, Mathilda Ott, Hannah Raithel This work was created during a HEGL seminar targeted at students in the teaching programme. As the aim is to produce materials for use in schools, the following will be in German.…

Contact Geometries – Introducing Knoty

Written by Stanislaus Stein The goal of this Python Module is to provide an interactive framework for the visualization of Legendre knots. It generates interactive 3D plots of Legendre knots and contact structures. The final result is an interactive plot…

Reinforcement Learning for Finding Counterexamples in Graph Theory

Written by Karl Schamel, Cheni Yang, and Hugo Introduction Many conjectures in graph theory remain open due to the hardness of giving an explicit proof, but they are also easy to be disproven by only a constructive example. Inspired by…

Political Geometry

A comprehensive study on cooperation and cosponsoring in the US Senate Written by Ayşegül Peközsoy, Leo Späth, and Klaus Stier Political Background The United States of America is a federal republic with a presidential system, meaning that the executive branch…

Physical Graph Layout in Hyperbolic Space

Written by David Li, Anna Roth Introduction Visual graph layouts are a nice tool to quickly spot symmetries and other structures on graphs. As common graph layout tools, such as Gephi, can only layout graphs in Euclidean space, our goal…