BUMP
发表于 2025-3-30 09:02:29
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ciliary-body
发表于 2025-3-30 13:00:13
,The Plücker Formulae,This chapter provides a summary of the basic facts about what are called singular points on a curve, and an account of how they resolve the duality paradox. The next chapter gives the mathematical theory behind these facts.
神经
发表于 2025-3-30 16:42:26
Differential Geometry of Surfaces,Let us consider a surface in space, given by an equation of the form . (.) = 0. We shall assume we have a map from a region of the plane, with coordinates (.) onto part of the surface, and that we can differentiate this map as often as we like. We assume that at each point of the surface the directions u-increasing and .-increasing are distinct.
墙壁
发表于 2025-3-30 22:11:25
Jeremy GrayThe first book to provide a course on the history of geometry in the 19th century.A comprehensive resource with full background material and selections and translations from original sources.Provides
初学者
发表于 2025-3-31 01:36:08
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柔声地说
发表于 2025-3-31 05:04:33
Predictions of future events, particularly in surgery and its technology, are at best conjecture, but I believe they are best surmised from reflections on the past and review of the current states of the art.
带子
发表于 2025-3-31 12:30:54
l transition, bypass transition, separation induced transition and reverse transition. Each transition mode is driven by different underlying mechanisms, and common flow parameters that influence the transition onset are discussed.
津贴
发表于 2025-3-31 15:23:34
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intercede
发表于 2025-3-31 20:36:17
Mathematics in the French Revolution,and commoners, alarmed by the violent behaviour of the peasantry — a Parisian rabble had already destroyed the symbolic but by then almost empty prison of the Bastille on 14 July 1789 — hoped to appease them by abolishing the feudal regime (4 August 1789) and passing the Declaration of the Rights of Man and of the Citizen (26 August).
BUMP
发表于 2025-3-31 22:18:23
The Mathematical Theory of Plane Curves,ugh a point, or more than one. If only one, then the curve will have a tangent there. To study the nature of a curve near a particular point we may always suppose that we have moved the point to the origin.