“…Our quest for going over to the projective space on Cl(V, Q) comes from an observation resulting from (35): for all homogeneous elements p, q ∈ Cl(V, Q), we have F(pq) = F(p⊙ c q) despite the fact that their products pq and p ⊙ c q need not coincide. From (11), Theorem 6.2, Theorem 6.3 and Remark 6.4 we readily obtain: Corollary 6.6. Let (V, Q) be a metric vector space and let c ∈ F × .…”
Section: A Comparison Of Clifford Algebrasmentioning
confidence: 86%
“…We refer to [15], [16], [39] for proofs and to [4], [9], [10], [11], [12], [14], [29], [37], [43, p. 18], [46], [50, 1.6.3], [53, pp. 156-159] for further details, generalisations and additional references.…”
Each vector space that is endowed with a quadratic form determines its Clifford algebra. This algebra, in turn, contains a distinguished group, known as the Lipschitz group. We show that only a quotient of this group remains meaningful in the context of projective metric geometry. This quotient of the Lipschitz group can be viewed as a point set in the projective space on the Clifford algebra and, under certain restrictions, leads to an algebraic description of so-called kinematic mappings.
“…Our quest for going over to the projective space on Cl(V, Q) comes from an observation resulting from (35): for all homogeneous elements p, q ∈ Cl(V, Q), we have F(pq) = F(p⊙ c q) despite the fact that their products pq and p ⊙ c q need not coincide. From (11), Theorem 6.2, Theorem 6.3 and Remark 6.4 we readily obtain: Corollary 6.6. Let (V, Q) be a metric vector space and let c ∈ F × .…”
Section: A Comparison Of Clifford Algebrasmentioning
confidence: 86%
“…We refer to [15], [16], [39] for proofs and to [4], [9], [10], [11], [12], [14], [29], [37], [43, p. 18], [46], [50, 1.6.3], [53, pp. 156-159] for further details, generalisations and additional references.…”
Each vector space that is endowed with a quadratic form determines its Clifford algebra. This algebra, in turn, contains a distinguished group, known as the Lipschitz group. We show that only a quotient of this group remains meaningful in the context of projective metric geometry. This quotient of the Lipschitz group can be viewed as a point set in the projective space on the Clifford algebra and, under certain restrictions, leads to an algebraic description of so-called kinematic mappings.
“…We refer to [15,16,39] for proofs and to [4,[9][10][11][12]14,29,37], [43, p. 18], [46], [50, 1.6.3], [53, pp. 156-159] for further details, generalisations and additional references.…”
Section: Metric Vector Spacesmentioning
confidence: 99%
“…Similarly, one may write up analogues of ( 9), (10), (11) and (12). In what follows right now, we shall adopt a slightly different point of view.…”
Section: A Comparison Of Clifford Algebrasmentioning
Each vector space that is endowed with a quadratic form determines its Clifford algebra. This algebra, in turn, contains a distinguished group, known as the Lipschitz group. We show that only a quotient of this group remains meaningful in the context of projective metric geometry. This quotient of the Lipschitz group can be viewed as a point set in the projective space on the Clifford algebra and, under certain restrictions, leads to an algebraic description of so-called kinematic mappings.
ABSVRACT. Certain geometric groups operating on a line g in a Moufang-Klingenberg plane J/ are described algebraically in terms of the underlying alternative ring R. For the case of the dual numbers R = A + Ae (A alternative field, e2= 0) a notion of cross-ratio is introduced on the line. We establish some connections between the geometric groups and the cross-ratio which are well known from classical projective planes.
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