Abstract
In this chapter we want to describe how points of finite order on certain elliptic curves can be used to generate interesting extension fields of ℚ. Here we mean points of finite order with arbitrary complex coordinates, not just the ones with rational coordinates that we studied in Chapter II. So we will need to use some basic theorems about extension fields and Galois theory, but nothing very fancy. We will start by reminding you of most of the facts we will be using, and you can look at any basic algebra text (such as Herstein [1] or Jacobson [1]) for the proofs and additional background material.
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© 1992 Springer Science+Business Media New York
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Silverman, J.H., Tate, J. (1992). Complex Multiplication. In: Rational Points on Elliptic Curves. Undergraduate Texts in Mathematics. Springer, New York, NY. https://doi.org/10.1007/978-1-4757-4252-7_7
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DOI: https://doi.org/10.1007/978-1-4757-4252-7_7
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4419-3101-6
Online ISBN: 978-1-4757-4252-7
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