Supported by the National Natural Science Foundation of China (Grant No. 10871205, 11271208) and Hunan Provincial Science and Technology Department (2011FJ6092).
In recent years, there has been a great deal of research concerning the flag- transitive t-designs, however, few about the block-transitive t-designs with t large (t 〉 4). In 1993, Cameron and Praeger conjectured t...
Supported by the Natural Science Foundation of China(10871205,11101245);the Natural Science Foundation of Shandong Province(BS2010SF017,ZR2001AQ005);the Young Foundation of Shandong Institute of Business and Technogy(2011QN066)
Supported by the NSFC (10771058, 11071062, 10871205), NSFH (10JJ3065);Scientific Research Fund of Hunan Provincial Education Department (10A033);Hunan Provincial Degree and Education of Graduate Student Foundation (JG2009A017)
The notion of weakly relatively prime and W-Gr6bner basis in K[x1, x2,…, xn] are given. The following results are obtained: for polynomials fl, f2, ..., fm, {f1^λ1, f2^λ2,…, fm^λm} is a GrSbner basis if and only...