令人苦恼 发表于 2025-3-28 15:56:18
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Christoffel und die Mathematik an der polytechnischen Schule Zürich in mathematics. Christoffel, highly appreciated in Zurich as teacher and researcher, was the organizer of the school of mathematics and sciences. Well aware of the importance of Riemann’s work, he used his influence to obtain the appointment of Prym, a young student of Riemann. Both left the schoolemulsify 发表于 2025-3-29 12:38:44
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Das Mathematische Seminar der Universität Strassburg 1872–1900er-Wilhelms-Universität”, which was newly-founded in 1872. Emphasis is given to the “Mathematisches Seminar” (mathematical section) directed by Christoffel and Reye, to its staff, lectures and students, and its working conditions until about 1900.闲聊 发表于 2025-3-29 21:07:32
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Die Bedeutung der Christoffelschen Summenformel für die Entwicklung nach Orthogonalpolynomenem aufzeigte, wird zunächst die Christoffelsche Summenformel für Orthogonalpolynome dargestellt und Christoffels Priorität hierfür gegenüber Darboux erläutert. Einige besondere Anwendungen dieser Summenformel werden wiedergegeben, und ihre vielfaltige Anwendung bis heute wird durch Angabe zahlreicheHALL 发表于 2025-3-30 06:23:51
Orthogonal Polynomials which Satisfy Second Order Differential Equationss of the second order. The emphasis is nonclassical cases, originating with the work of Heine, though classical cases are also covered. The main tools are the approximation properties of ., developed by Christoffel, together with the hypothesis that .(.) should satisfy a first-order differential equ