| ชื่อเรื่อง | : | c-Extensions of the F4(2)-building. |
| นักวิจัย | : | Ivanov, A. A. , Pasechnik, Dmitrii V. |
| คำค้น | : | DRNTU::Science::Mathematics::Discrete mathematics::Theory of computation. |
| หน่วยงาน | : | Nanyang Technological University, Singapore |
| ผู้ร่วมงาน | : | - |
| ปีพิมพ์ | : | 2545 |
| อ้างอิง | : | Ivanov, A. A., & Pasechnik, D. V. (2002). c-Extensions of the F4(2)-building. Discrete Mathematics, 264(1-3), 91–110. , http://hdl.handle.net/10220/8273 , http://dx.doi.org/10.1016/S0012-365X(02)00554-X |
| ที่มา | : | - |
| ความเชี่ยวชาญ | : | - |
| ความสัมพันธ์ | : | Discrete mathematics |
| ขอบเขตของเนื้อหา | : | - |
| บทคัดย่อ/คำอธิบาย | : | We construct four geometries ε1,..., ε4 with the diagram such that any two elements of type 1 are incident to at most one common element of type 2 and three elements of type 1 are pairwise incident to common elements of type 2 if and only if they are incident to a common element of type 5. The automorphism group Ei of εi is flag-transitive, isomorphic to 2E6(2): 2,3.2 E6(2) :2,226: F4(2) and E6(2) : 2, for i=1,2,3 and 4. We calculate the suborbit diagram of the collinearity graph of εi with respect to the action of Ei. By considering the elements in εi fixed by a subgroup Ti of order 3 in Ei we obtain four geometries T1,...,T4 with the diagram on which CEi(Ti) induces flag-transitive action, isomorphic to U6(2): 2,3. U6(2): 2, 214: Sp6(2) and L6(2): 2 for i=1,2,3 and 4. Next, by considering the elements fixed by a subgroup Si of order 7 in Ei we obtain four geometries with the diagram on which CEi(Si) induces flag-transitive action isomorphic to L3(4): 2, 3.L3(4): 2, 28: L3(2) and (L3(2)xL3(2)): 2, for i=1,2,3 and 4. |
| บรรณานุกรม | : |
Ivanov, A. A. , Pasechnik, Dmitrii V. . (2545). c-Extensions of the F4(2)-building..
กรุงเทพมหานคร : Nanyang Technological University, Singapore. Ivanov, A. A. , Pasechnik, Dmitrii V. . 2545. "c-Extensions of the F4(2)-building.".
กรุงเทพมหานคร : Nanyang Technological University, Singapore. Ivanov, A. A. , Pasechnik, Dmitrii V. . "c-Extensions of the F4(2)-building.."
กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2545. Print. Ivanov, A. A. , Pasechnik, Dmitrii V. . c-Extensions of the F4(2)-building.. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2545.
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