New book: M. Pavsic, Stumbling Blocks Against Unification


Matej Pavšič: Stumbling Blocks Against Unification, On Some Persistent Misconceptions in Physics https://doi.org/10.1142/11738 | April 2020, Pages: 256.

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U.A. Bhatti et al: Geometric Algebra Applications in Geospatial Artificial Intelligence and Remote Sensing Image Processing


Uzair Aslam Bhatti et al, Geometric Algebra Applications in Geospatial Artificial Intelligence and Remote Sensing Image Processing, IEEE Access. Volume: 8. 2020, Page(s): 155783 – 155796, Date of Publication: 21 August 2020, Electronic ISSN: 2169-3536, Open Access, URL: https://ieeexplore.ieee.org/document/9173669?, 64 references.

Abstract: With the increasing demand for multidimensional data Continue reading

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A.H. Eid et al: Efficient ray-tracing procedure for radio wave propagation modeling using homogeneous geometric algebra


Ahmad H. Eid , Heba Y. Soliman & Sherif M. Abuelenin, Efficient ray-tracing procedure for radio wave propagation modeling using homogeneous geometric algebra, Electromagnetics, Volume 40, 2020 – Issue 6 Pages 388-408 | Published online: 25 Aug 2020, DOI: https://doi.org/10.1080/02726343.2020.1811937

ABSTRACT: Ray-tracing is an efficient asymptotic computational electromagnetic method for studying wave propagation. Continue reading

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B.K.P. Horn: Quaternions: what are they, and why do we need to know?


Scientific commentaries: Quaternions: what are they, and why do we need to know?, by Berthold K. P. Horna,Acta Crystallographica Section A, FOUNDATIONS and ADVANCES, Volume 76| Part 5| September 2020| Pages 556-558, https://doi.org/10.1107/S2053273320010359, Free Open Access. URL: https://journals.iucr.org/a/issues/2020/05/00/me6092/index.html

Keywords: quaternions; data alignment; rotation; orientation; orthogonal Procrustes problem; orientation distribution function; ODF.

How should we represent rotations? Continue reading

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P. Lian: Quaternion and fractional Fourier transform in higher dimension


Note: Communicated by Nek Valous, National Center for Tumor Diseases (NCT), Heidelberg.

Title: Quaternion and fractional Fourier transform in higher dimension
Author: Pan Lian
Abstract:
Several quaternion Fourier transforms Continue reading

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P. Girard: History of Einstein’s General Relativity: Conceptual Development of the Theory (revised)


Patrick Girard. “History of Einstein’s General Relativity: Conceptual Development of the Theory”. History, Philosophy and Sociology of Sciences. University of Wisconsin-Madison (Etats-Unis), 1981. English. On line July 2020.
https://hal.archives-ouvertes.fr/tel-02893156

Abstract : The work is a revised latex edition, supplemented by explanatory tables, an index and a few remarks of the Ph.D. thesis of Patrick R. Girard, “The Conceptual Development of Einstein’s General Theory of Relativity”, Continue reading

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AACA Vol. 30, Issue 3 – New Issue Alert


We are pleased to deliver your requested table of contents alert for Advances in Applied Clifford Algebras. Volume 30 Number 3 is now available online.

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Li & Huo: (mu,nu)-pseudo almost periodic solutions of Clifford-valued high-order HNNs with multiple discrete delay


Yongkun Li, Nina Huo, (mu,nu)-pseudo almost periodic solutions of Clifford-valued high-order HNNs with multiple discrete delay, Neurocomputing, Volume 414, 13 November 2020, Pages 1-9, DOI: https://doi.org/10.1016/j.neucom.2020.07.069,

Abstract: In this paper, we consider a class of Clifford-valued Continue reading

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C. Castro: On Jordan-Clifford Algebras, Three Fermion Generations with Higgs Fields and a $ SU(3) \times SU(2)_L \times SU(2)_R \times U(1) $ model


Carlos Castro, Clark Atlanta University: On Jordan-Clifford Algebras, Three Fermion Generations with Higgs Fields and a $ SU(3) \times SU(2)_L \times SU(2)_R \times U(1) $ model, Preprint: here.  July 2020.

Abstract: It is shown how the algebra J_3[C ⊗ O] ⊗ Cl(4, C) based on the tensor product of the complex Exceptional Jordan J_3[C ⊗ O], and the complex Clifford algebra Cl(4, C), Continue reading

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Euclidean Geometry and Geometric Algebra


Chris Doran, Cambridge University:

URL: http://geometry.mrao.cam.ac.uk/2020/06/euclidean-geometry-and-geometric-algebra/

Geometric algebra Continue reading

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