We must admit with humility that, while number is purely a product of our minds, space has a reality outside our minds, so that we cannot completely prescribe its properties a priori.
Letter to Bessel, 1830.
Loci: Loci: Convergence
On This Day ...
Important events from the history of math that happened on this day:
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January 18th
| 1802 | Gauss read in the newspaper (he was such an avid newspaper reader that his students nicknamed him the "Newspaper bear") that Olbers had rediscovered Ceres. Gauss wrote to Olbers to get his observations and a long friendship ensued.
More information about: Carl Friedrich Gauss Heinrich Wilhelm Olbers |
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| 1856 | Birthdate of Luigi Bianchi, an Italian geometer who worked on non-Euclidean geometry.
More information about: Luigi Bianchi |
| 1963 | Edward Titchmarsh died in Oxford, England, where he succeeded his teacher G.H. Hardy as the Savilian Professor of Geometry. Titchmarsh lectured on analysis and never on geometry.
More information about: Edward Titchmarsh |
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