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# Author Archives: Sarah Spoenemann

## Book of the Month: Unsolved Problems in Number Theory

March Book of the Month is Unsolved Problems in Number Theory by Richard Guy, first published by Springer Verlag in 1981. Third edition (nearly three times the size!!) published in 2004. These problems are mostly very easy to understand, but … Continue reading

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## Book of the Month: Unsolved Problems in Number Theory

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## The Wolfram MathWorld List of Unsolved Problems

March Site of the Month: The Wolfram MathWorld List of Unsolved Problems This updated list explains the most famous unsolved problems in mathematics and progress made on each, with references for further reading. Send article as PDF

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## Famous Problems in Mathematics

January’s Book of the Month is Famous Problems in Mathematics by Heinrich Tietze, first published in German in 1959, and republished in 1990 by DTV. An English translation published by Graylock Press in 1964. The preface contains a beautiful metaphor … Continue reading

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## Site of the Month: Famous Problems in the History of Mathematics

January’s Site of the Month is Famous Problems in the History of Mathematics. This site is part of NCTM’s MathForum and continues the problems theme of recent Sites and Books of the Month. Send article as PDF

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## Hilbert’s Problems

December’s Site of the Month is Hilbert’s 2000 Lecture. At the International Congress of Mathematicians in 1900, David Hilbert presented ten important unsolved problems. When his lecture was published it contained 23 problems, several of which have now been solved … Continue reading

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## +Plus Magazine

November’s Site of the Month is +Plus. +Plus is an internet magazine from Cambridge University that is now connected to the Millenium Mathematics Project which “aims to help people of all ages and abilities share in the excitement of mathematics … Continue reading

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## Applications of Mathematics

October’s Site of the Month is Applications of Mathematics. This is part of the Mathigon website, directed at resources for schools. However the Applications of Mathematics section has links to several references for each application where the reader can access … Continue reading

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## The Pythagorean Theorem

December’s Book of the Month is The Pythagorean Theorem: A 4000-year History by Eli Moar, published in 2007 by Princeton Science Library. This is the third book that celebrates a famous equation, in this case one that is so well … Continue reading

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## Euler’s Gem: The Polyhedron Formula and the Birth of Topology

November’s Book of the Month is Euler’s Gem: The Polyhedron Formula and the Birth of Topology by David Richeson, published in 2008 by Princeton University Press. (Adapted from the Amazon description) Leonhard Euler’s polyhedron formula describes the structure of many … Continue reading

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