Author Archives: Sarah Spoenemann

From synthetic geometry to dynamic geometry and back: the case of circular inversion

by Giulia Signorini, Michele Tocchet, both from “Liceo Filippo Buonarroti” in Pisa, and Anna Baccaglini-Frank, University of Pisa. In 1871 Felix Klein published two papers, called “On the so-called non-Euclidean geometry”, in which he proposed to call the first type … Continue reading

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Site of the Month October: The German Imaginary-Project

The Site of the month October ist The German Imaginary-Project. IMAGINARY offers a platform for open and interactive mathematics with a variety of content that can be used in schools, at home, in museums, at exhibitions or for events and … Continue reading

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Site of the Month September: The Global Math Project

The site of the month September ist The Global Math Project. The Global Math Project is a worldwide movement committed to inspiring educators everywhere to ignite and sustain in their students a love for learning mathematics. The ultimate goal of … Continue reading

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Contribution of the month: Prizes in mathematics, 2020

by Nitsa Movshovitz-Hadar (Technion – Israel Institute of Technology) Did you know? – Over 125,000 new items are added each year, to the international database managed by the American Mathematical Society called MathSciNet®1 A vast majority of these items contain … Continue reading

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The Snapshots Project

The link of the month June is The Snapshots Project. The Mathematics News Snapshots for High School (MNS) project aims to provide high school students with a glimpse into the exciting and dynamic world of contemporary mathematics. The project was … Continue reading

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The International Day of Mathematics

The International Day of Mathematics (IDM) is a worldwide celebration. Each year on March 14 all countries will be invited to participate through activities for both students and the general public in schools, museums, libraries and other spaces. The International … Continue reading

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A Richer Picture of Mathematics – The Göttingen Tradition and Beyond

March Book of the Month is A Richer Picture of Mathematics – The Göttingen Tradition and Beyond by David E. Rowe. Historian David E. Rowe (Prof. em. for History of Natural Sciences at the University of Mainz) captures the rich … Continue reading

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The Enormous Theorem

Originating author is Nitsa Movshovitz-Hadar. Prolog This article is an English translation with emendations of a Hebrew paper written in 2014 about two years after the untimely passing of the illustrious lecturer and group theory expert, Professor David Chillag. It … Continue reading

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The Legacy of Felix Klein

December’s Book of the Month is The Legacy of Felix Klein by Hans-Georg Weigand, William McCallum, Marta Menghini, Michael Neubrand and Gert Schubring (Eds.) (2018). Throughout his professional life, Felix Klein emphasised the importance of reflecting upon mathematics teaching and … Continue reading

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Three Volumes of Felix Klein’s “Elementary Mathematics from a Higher Standpoint”

The November Book of the Month is Elementary Mathematics from a Higher Standpoint by Felix Klein. The volumes, first published between 1902 and 1908, are lecture notes of courses that Klein offered to future mathematics teachers, realizing a new form … Continue reading

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