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Conference Paper

  1. [GIRA-17b]Hyperquaternions and Physics: Historical Outlook, in 11th International Conference on Clifford Algebras and Their Applications in Mathematical Physics", ICCA11, Ghent, Belgique, 2017.
  2. [GIRA-17a]Hyperquaternion Symmetry Groups, in 11th International Conference on Clifford Algebras and Their Applications in Mathematical Physics, ICCA11, Ghent, Belgique, 2017.
  3. [GIRA-14]P. R. Girard, Clarysse, P., Pujol, R., Wang, L., and Delachartre, P., Biquaternion Clifford Algebra and Grassmann Differential Geometry, in 8th International Conference, Curves and Surfaces, Paris, France, 2014, pp. 216-242.
  4. [WANG-12b]L. Wang, Liu, Z., P. R. Girard, Clarysse, P., and Delachartre, P., Extension of Analytic Signal conception on Dynamic Image Sequences, in 9ème Manifestation des Jeunes Chercheurs en Sciences et Technologies de l’Information et de la Communication, Lille, France, 2012.
  5. [WANG-12a]L. Wang, P. R. Girard, Clarysse, P., and Delachartre, P., Phase extraction of the Analytic Video Signal in Clifford Algebra, in 5th conference on Applied Geometric Algebras in Computer Science and Engineering, La Rochelle, France, 2012.PDF icon Upload_Version -pdf CameraReady_Article_AGACSE_2012v2.2-modify21092012.pdf (561.29 KB)
  6. [GIRA-11a]P. R. Girard, Pujol, R., Clarysse, P., Marion, A., Goutte, R., and Delachartre, P., Analytic Video (2D+T) Signals by Clifford Fourier Transforms in Multiquaternion Grassmann-Hamilton-Clifford Algebras, in 9th International Conference on Clifford Algebras and Their Applications in Mathematical Physics, Editor, K. Gürlebeck. , Weimar, Germany, 2011.
  7. [GIRA-11b]P. R. Girard, Multiquaternion Grassmann-Hamilton-Clifford Algebras in Physics and Engineering: A Short Historical Perspective, in 9th International Conference on Clifford Algebras and Their Applications in Mathematical Physics, Editor, K. Gürlebeck. , Weimar, Germany, 2011.
  8. [GIRA-10]P. R. Girard and Pujol, R., Electromagnetic energy-momentum tensor via Noether theorem and the tetraquaternion Grassmann-Hamilton-Clifford algebra, in Applied Geometric Algebras in Computer Science and Engineering, AGACSE 2010, Amsterdam, Netherland, 2010.
  9. [GIRA-05]P. R. Girard, Relativistic Moving Frame and Physical Applications within Clifford Algebra, in 7th International Conference on Clifford Algebras and Applications, Toulouse, 2005.
  10. [GIRA-02]P. R. Girard, in 6th International Conference on Clifford Algebras and Applications, Cookeville, 2002.
  11. [GIRA-01]P. R. Girard, in Applied Geometrical Algebras in Computer Science and Engineering, Cambridge University, 2001.