Around Caspar Wessel and the Geometric Representation of Complex Numbers: Proceedings of the Wessel Symposium at The Royal Danish Academy of Sciences and Letters, Copenhagen, August 11-15 1998. Invited PapersJesper Lützen |
Contents
Preface | 3 |
Technology Transfer to Denmark | 29 |
Cartography and Astronomy in Denmark | 81 |
Heinrich Christian Schumacher mediator between Denmark | 99 |
History of Complex Numbers | 121 |
Inexplicable? The status of complex numbers in Britain 17501850 | 147 |
Bellavitiss equipollences calculus and his theory of complex numbers | 181 |
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Common terms and phrases
Academy of Sciences Ahl's algebra Altona analytical angle Argand arithmetic astronomers Astronomische Nachrichten Ausdehnungslehre Bellavitis Bellavitis's Berlin Bidstrup British Buée Buée's Bugge's Carl Friedrich Gauß Caspar Wessel century circle complex numbers connection coordinates Copenhagen Danish Danske Dedekind defined Denmark Ekström equations equipollences equipollences calculus Figure Foncenex G.Bellavitis Gauss geometrical representation Göttingen Grassmann Graves Hamilton Hankel Heinrich Christian Schumacher Hoüel hypercomplex numbers ideas imaginary numbers imaginary quantities instrument makers involution Jan Wessel Jean-Robert Argand Johan Herman Wessel journal Julius Petersen Klein København Ljungberg logarithms London magnitudes mandrel maps Maseres Math mathematicians mathematics mentioned meridian method Morgan Mösting multiplication negative and imaginary observatory operations Ørsted paper Peacock Peter Wessel Petersen plane problem projective published quantités imaginaires quaternions real numbers Round Tower Royal Danish Academy Schumacher Schwarz scientific Selskab Staudt's Steinholtz symbols theorem theory Thomas Bugge Tordenskiold triangles tube vector Weierstrass zero