Tag: history
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Coming Late to McPherson’s “Battle Cry of Freedom”
Review of James McPherson’s excellent Civil War tome.
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Hamilton, the Quaternions, and Mathematical Mythologies
The arduous discovery of the properties of the quaternions by William Rowan Hamilton has always stuck in my mind as among the most romantic of modern math’s encounters. Until the fall of 1843, Hamilton was set to work extending the complex numbers, by then a regular feature of the theory of equations. As he would…
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