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# Tag Archives: Torus

## Lecture 15: Monday, September 23, 2013

Today we discuss how some familiar objects — namely the circle, the sphere, the torus, and even elliptic curves — are each examples of non-singular algebraic curves which are also compact, connected Riemann surfaces. Advertisements

## Lecture 3: Friday, August 23, 2013

Euclid of Alexandria wrote a text around 300 B.C. entitled “The Elements” which provided a logical framework for much of modern mathematics. A chapter (which was called a “book” during his time) presented an axiomatic approach of geometry, stating rather … Continue reading

Posted in MA 59800
Tagged Parallel Postulate, Projective Line, Projective Plane, Real Projective Plane, Torus
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