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HestenesJMM2019

Published by Quaternion Notices: https://quaternionnews.commons.gc.cun... Quaternions in Geometric Algebra and Physics. David Hestenes*, (Department of Physics, Arizona State University) Joint Mathematics Meetings 2019 (JMM2019) AMS Special Session on Quaternions II Baltimore, Wednesday January 16, 2019. Quaternions in Geometric Algebra and Physics. Geometric Algebra and Calculus has emerged as a unified mathematical language for the whole of physics —- a language that simplifies formulation and solution of all fundamental equations while providing new insights into the geometric structure of physics [1]. In this talk I discuss how quaternions fit into Geometric Algebra with emphasis on rotational dynamics, spinors and Hopf fibrations in electrodynamics. [1] Geometric Calculus website: http://geocalc.clas.asu.edu Most papers and books on GC can be accessed or traced from here and links to other websites, especially one at Cambridge University