Geometry and Topology

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Minimizing energy

What is the most efficient way to fence land when you’ve only got so many metres of fence? Or, to put it differently, what is the largest area bounded by a simple closed planar curve of fixed length?
We consider the answer to this question and others like it, making note of recent results in the same spirit.

Matrixfaktorisierungen

Im Folgenden soll ein kurzer Abriss des Themas Matrixfaktorisierungen gegeben werden. Wir werden darlegen, warum dieses recht simple Konzept zu erstaunlich tiefen mathematischen Gedankengängen führt und auch in der modernen theoretischen Physik wichtige Anwendungen hat.

Geraden, Kurven und Kuspen

The algebraic geometer Duco van Straten, Johannes Gutenberg-University Mainz, Germany gives a beautiful short introduction into the field of algebraic geometry - from lines, curves to cusps. It shows many pictures and also links its content to historical events and applications.

Martmatics

Martmatics is a project to show how Mathematics and Art have been related to each other throughout history and how they are still linked today. There are many bonds and the authors have chosen the most attractive and significant ones. You will find a brochure and also an activity book with excercices to accompany the examples from the brochure.

School Taskbook: From 5 to 15

The taskbook for school students by renowned Russian mathematician Prof. Vladimir Igorevich Arnold. You can find the original Russian version as well as an English, German, Spanish, Italian, Vietnamese and Turkish translation.

If you are interested to add a new translation, please see the github repository of the booklet for all sources and details.

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