Finite Generalized Quadrangles
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Cites background or methods from "Finite Generalized Quadrangles"
...A point is in the projective space with the canonical equation if . Points and are said to be collinear if where for . Let represents the set of points collinear with point , then is a line connecting two distinct and collinear points and [ 22 ]....
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...In this work, we are interested in three known GQs as defined in [ 22 ] and [23]: 1) from projective space ;2 ) from projective space ; and 3) from projective space ....
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"Finite Generalized Quadrangles" refers background in this paper
...Now the internal (or residual) [50] structure of the inversive plane π(x∞, x′) at z is an affine plane of order s which is a substructure of Sz and contains the points u− 1, u2, u3....
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...On the other hand, the corresponding spreads of W (q) are the regular spread [50] and the Lüneburg-spread [100] of PG(3, q)....
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...of π(x∞, z) with carriers [50, 58] u and y....
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...Hence no three elements of O∞ are collinear in PG(3, s), if s 6= 2 [50]....
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...Moreover, he showed that the corresponding spread of W (q) gives rise to a Knuth semifield plane [50]....
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"Finite Generalized Quadrangles" refers background or methods or result in this paper
...Hence {L0, L1} and {L0, L1} are the reguli of an hyperbolic quadric Q+ of PG(3, q) [80]....
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...a (q + 2)-arc [80], of the projective plane PG(2, q), q = 2h, and let PG(2, q) = H be embedded as a plane in PG(3, q) = P ....
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...Then O′ is an oval with nucleus x [80]....
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...Since each plane of order s, s 6 8, is desarguesian [80], the result follows....
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...,Mq are contained in a three dimensional space P , and moreover {L0, L1} and {L0, L1} are the reguli of an hyperbolic quadric Q+ of P [80]....
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"Finite Generalized Quadrangles" refers background in this paper
...Then by (ii) G is a Frobenius group on xG (cf [87])....
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