Kristine Adams |
Movie Title Year Distributor Notes Rev Formats Home Made Couples 20 2012 Homemade Media DRO Homegrown Video 768: The Hardon Riders of Porn 2009 Pure Play Media Facial DRO Kristine Adams Twins 2014 97% Amateurs MastOnly O Pregnant Kink.Com 7 2014 Evasive Angles DRO Stroke Suck and Tease 18 2012 Sticky Video BJOnly Facial DRO White Chick Black Dick 8 2012 AMVC Facial subspace of Rn+1 for which the coordinates sum to 0, and let F be the set of vectors in E of length v2 and which are integer vectors, i.e. have integer coordinates in Rn+1. Such a vector must have all but two coordinates equal to 0, one coordinate equal to 1, and one equal to –1, so there are n2 + n roots in all. One choice of simple roots expressed in the standard basis is: ai = ei – ei+1, for 1 = i = n. The reflection si through the hyperplane perpendicular to ai is the same as permutation of the adjacent i-th and (i + 1)-th coordinates. Such transpositions generate the full permutation group. For adjacent simple roots, si(ai+1) = ai+1 + ai = si+1(ai) = ai + ai+1, that is, reflection is equivalent to adding a multiple of 1; but reflection of a simple root perpendicular to a nonadjacent simple root leaves it unchanged, differing by a multiple of 0. The An root lattice – that is, the lattice generated by the An roots – is most easily described as the set of integer vectors in Rn+1 whose components sum to zero. The A2 root lattice is the vertex arrangement of the triangular tiling. The A3 root lattice is known to crystallographers as the face-centered cubic (or cubic close packed) lattice.[30]. It is the vertex arrangement of the tetrahedral-octahedral honeycomb. The A3 root system (as well as the other rank-three root systems) may be modeled in the Zometool Construction set.[31] In general, the An root lattice is the vertex arrangement of the n-dimensional simplectic honeycomb. Bn Simple roots in B4 e1 e2 e3 e4 a1 1 -1 0 0 a2 0 1 -1 0 a3 0 0 1 -1 a4 0 0 0 1 Dyn2-node n1.pngDyn2-3.pngDyn2-node n2.pngDyn2-3.pngDyn2-node n3.pngDyn2-4b.pngDyn2-nodeg n4.png Let E = Rn, and let F consist of all integer vectors in E of length 1 or v2. The total number of roots is 2n2. One choice of simple roots is: ai = ei – ei+1, for 1 = i = n – 1 (the above choice of simple roots for An-1), and the shorter root an = en. The reflection sn through the hyperplane perpendicular to the short root an is of course simply negation of the nth coordinate. For the long simple root an-1, sn-1(an) = an + an-1, but for reflection perpendicular to the short root, sn(an-1) = an-1 + 2an, a difference by a multiple of 2 instead of 1. The Bn root lattice – that is, the lattice generated by the Bn roots – consists of all integer vectors. B1 is isomorphic to A1 via scaling by v2, and is therefore not a distinct root system. Cn Root system B3, C3, and A3=D3 as points within a cube and octahedron
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