Diagram Techniques
Jürgen Richter-Gebert ()
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Jürgen Richter-Gebert: TU München, Zentrum Mathematik (M10) LS Geometrie
Chapter 13 in Perspectives on Projective Geometry, 2011, pp 227-246 from Springer
Abstract:
Abstract It sometimes happens that reading a mathematical article sheds a completely new light on subjects that one considered “personally well-under stood.” So it happened to me when I did some research related to solving cubic equations and stumbled across a series of papers written by the computer scientist Jim Blinn. The series was essentially about the expressive power of tensor calculus applied to geometry [8, 9, 10, 11]. I always hated working with tensors and avoided them wherever possible, because tensor notation tends either to be very abstract or to clutter all the essential information of a formula into indices and indices of indices and indices of indices of indices. Jim Blinn’s papers were different. There tensor formulas were encoded as diagrams, and suddenly all those terrible index battles became geometrically meaningful structures.
Keywords: Quadratic Form; Transformation Rule; Geometric Object; Projective Geometry; Outgoing Edge (search for similar items in EconPapers)
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-17286-1_13
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DOI: 10.1007/978-3-642-17286-1_13
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