## 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…

## Wallpaper groups: The reason why Heidelberg is better than Granada

Written by: Caroline Bornmann, Sebastian Grafe, Johannes Kamlage The reason why Heidelberg is better than Granada Granada in Spain. Roughly 230.000 habitants and a beloved holiday destination for many tourists. But why exactly is this beautiful piece of land in…

## Math Board Game: Museum Heist

Written by: Julia Bulitta, Alina Czasch, Hanna Heer, Tadeus Pindl, Fabian Walliser 1. Introduction During this past summer semester, we dealt with the task to construct a game which has mathematical knowledge. There are already many games that have mathematical…

## Reconstruction of Badr al-Din al-Ayni Mihrab

Written by Almoatasembellah Haggag Abstract The Mihrab (a concave niche situated in the wall of a mosque facing Mecca. [3]) of the 15th-century Badr al-Dın al-Aynı Madrasa in Cairo, renowned for its significance and uniqueness in the medieval city of…