• algebra isomorphic to the direct sum H ⊕ H, the split-biquaternions. One can also study Clifford algebras on complex vector spaces. Every nondegenerate...
    64 KB (9,191 words) - 06:36, 4 December 2024
  • Thumbnail for Dual quaternion
    K. Clifford obtained a broad generalization of these numbers that he called biquaternions, which is an example of what is now called a Clifford algebra...
    31 KB (4,774 words) - 14:26, 19 November 2024
  • Hypercomplex number (category CS1 German-language sources (de))
    {\displaystyle \mathbb {C} } ) (2 × 2 complex matrices, biquaternions, Pauli algebra). All of the Clifford algebras Clp,q( R {\displaystyle \mathbb {R} } ) apart...
    27 KB (3,216 words) - 14:48, 11 October 2024
  • Thumbnail for Hyperboloid
    which included presentation of biquaternions. The following passage from page 673 shows how Hamilton uses biquaternion algebra and vectors from quaternions...
    19 KB (2,624 words) - 23:31, 22 June 2024
  • numbers. William Kingdon Clifford coined the term motor for a kinematic operator in his "Preliminary Sketch of Biquaternions" (1873). He used split-complex...
    15 KB (2,474 words) - 01:43, 19 January 2025
  • Versor (category CS1 German-language sources (de))
    extend the concept to 4-space. Problems in that algebra led to use of biquaternions after 1900. In a widely seen review, Macfarlane wrote: ... the root...
    22 KB (2,931 words) - 01:07, 26 November 2024
  • Pearson/Addison Wesley. pp. 300–307. ISBN 978-0805387322. Poisson, Eric; Will, Clifford M. (2014-05-29). Gravity:Newtonian, Post-Newtonian, Relativistic. Cambridge...
    2 KB (345 words) - 01:47, 5 March 2024
  • History of mathematical notation (category CS1 German-language sources (de))
    Magnetism. In 1878 William Kingdon Clifford published his Elements of Dynamic. Clifford developed split-biquaternions (e.g. q = w + x i + y j + z k {\displaystyle...
    98 KB (11,238 words) - 03:49, 12 January 2025
  • 84:27–48. William Kingdon Clifford (1882) Mathematical Works, A. W. Tucker editor, page 392, "Further Notes on Biquaternions" V.Cruceanu, P. Fortuny &...
    28 KB (4,177 words) - 03:55, 18 January 2025
  • Clifford M (2010). "Relativity". Grolier Multimedia Encyclopedia. Archived from the original on 21 May 2020. Retrieved 1 August 2010. Will, Clifford M...
    27 KB (2,952 words) - 16:11, 26 November 2024
  • Thumbnail for Black hole
    in the Universe. Cambridge U Press. ISBN 978-0-521-81405-8. Pickover, Clifford (1998). Black Holes: A Traveler's Guide. Wiley, John & Sons, Inc. ISBN 978-0-471-19704-1...
    164 KB (18,560 words) - 19:34, 21 January 2025
  • Thumbnail for Theodor Vahlen
    Vahlen also recounts split-biquaternions and parabolic biquaternions originated by Clifford. But Vahlen cites Eduard Study most of all since Study also...
    18 KB (1,822 words) - 16:55, 2 October 2024
  • Thumbnail for History of quaternions
    Charles-Ange Laisant and Alexander Macfarlane. William K. Clifford expanded the types of biquaternions, and explored elliptic space, a geometry in which the...
    19 KB (2,296 words) - 23:56, 3 January 2025
  • Thumbnail for Plane-based geometric algebra
    Plane-based geometric algebra is an application of Clifford algebra to modelling planes, lines, points, and rigid transformations. Generally this is with...
    36 KB (4,361 words) - 20:25, 19 January 2025
  • Thumbnail for Projective line over a ring
    that ring. Arthur Conway, one of the early adopters of relativity via biquaternion transformations, considered the quaternion-multiplicative-inverse transformation...
    25 KB (2,979 words) - 08:30, 6 January 2025
  • Thumbnail for Lorentz group
    representation of the action of the Lorentz group on Minkowski space uses biquaternions, which form a composition algebra. The isometry property of Lorentz...
    65 KB (9,742 words) - 04:41, 19 January 2025
  • Thumbnail for Kip Thorne
    open and keep timelike geodesic free float "warp drives" working. With Clifford Will and others of his students, he laid the foundations for the theoretical...
    42 KB (4,010 words) - 16:00, 24 December 2024
  • algebraic structures, such as a tensor product of two copies of the biquaternions, or the algebra of 4 × 4 matrices over the real numbers, or that studied...
    25 KB (3,331 words) - 23:07, 9 December 2024
  • Thumbnail for Maxwell's equations
    Equations and their Solutions", in Ablamowicz, Rafał; Lounesto, Pertti (eds.), Clifford Algebras and Spinor Structures, Springer, pp. 265–280, doi:10.1007/978-94-015-8422-7_16...
    75 KB (7,917 words) - 05:18, 20 January 2025
  • Will, Clifford M. (1993), Theory and experiment in gravitational physics, Cambridge University Press, ISBN 978-0-521-43973-2 Will, Clifford M. (2006)...
    194 KB (22,629 words) - 21:30, 12 January 2025
  • Thumbnail for Quaternion
    therefore a ring, also a division ring and a domain. It is a special case of a Clifford algebra, classified as Cl 0 , 2 ⁡ ( R ) ≅ Cl 3 , 0 + ⁡ ( R ) . {\displaystyle...
    96 KB (12,629 words) - 21:14, 19 December 2024
  • (1984) The University of Chicago Press, Chicago. See Section 3.3. Will, Clifford. Theory and Experiment in Gravitational Physics, p. 143 (Cambridge University...
    28 KB (6,157 words) - 20:01, 21 November 2024
  • San Francisco: W. H. Freeman. ISBN 0-7167-0344-0. See Box 39.1. Will, Clifford M. (1986). "Chapter 8: The Rise and Fall of the Brans–Dicke Theory". Was...
    14 KB (2,324 words) - 14:09, 3 December 2024
  • Lifshitz, E.M., The Classical Theory of Fields (Pergamon Press), 1987. Will, Clifford M. (2014). "The Confrontation between General Relativity and Experiment"...
    106 KB (12,668 words) - 03:13, 20 January 2025
  • Thumbnail for Representation theory of the Lorentz group
    Representation theory of the Lorentz group (category CS1 German-language sources (de))
    how spin representations of the Lorentz Lie algebra can be embedded in Clifford algebras. The Lorentz group has also historically received special attention...
    149 KB (19,748 words) - 22:14, 4 January 2025
  • Thumbnail for Equivalence principle
    ISBN 978-3-540-41236-6. S2CID 15430387. {{cite book}}: |journal= ignored (help) Will, Clifford M. (December 2014). "The Confrontation between General Relativity and Experiment"...
    49 KB (5,561 words) - 14:45, 13 January 2025
  • this to include seven parameters in papers published in 1968 and 1969. Clifford Martin Will introduced a stressed, continuous matter description of celestial...
    20 KB (3,338 words) - 13:00, 26 August 2024
  • Thumbnail for Introduction to general relativity
    ISBN 0-7167-6034-7 Will, Clifford M. (1993), Was Einstein Right?, Oxford University Press, ISBN 0-19-286170-0 Will, Clifford M. (2006), "The Confrontation...
    72 KB (9,133 words) - 06:35, 16 January 2025
  • Thumbnail for Abstract algebra
    Abstract algebra (category CS1 German-language sources (de))
    tessarines in 1848 and coquaternions in 1849. William Kingdon Clifford introduced split-biquaternions in 1873. In addition Cayley introduced group algebras over...
    32 KB (4,185 words) - 10:41, 19 January 2025
  • Zerilli–Wheeler equation, Wheeler–DeWitt equation, textbook), Paul S. Wesson (relativistic cosmology, Kaluza–Klein theory) Clifford Martin Will (parametrized...
    20 KB (1,819 words) - 15:56, 2 July 2024