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Disjoint direct product decompositions of permutation groups
Journal of Symbolic Computation ( IF 0.6 ) Pub Date : 2021-04-29 , DOI: 10.1016/j.jsc.2021.04.003 Mun See Chang , Christopher Jefferson
中文翻译:
置换组的不相交直接积分解
更新日期:2021-05-12
Journal of Symbolic Computation ( IF 0.6 ) Pub Date : 2021-04-29 , DOI: 10.1016/j.jsc.2021.04.003 Mun See Chang , Christopher Jefferson
Let be an intransitive group with orbits . Then certainly H is a subdirect product of the direct product of its projections onto each orbit, . Here we provide a polynomial time algorithm for computing the finest partition P of the H-orbits such that and we demonstrate its usefulness in some applications.
中文翻译:
置换组的不相交直接积分解
让 与轨道成为不及物 。那么H肯定是其投影到每个轨道上的直接乘积的子直接乘积,。在这里,我们提供了多项式时间算法,用于计算H轨道的最细分区P,使得 并且我们将展示其在某些应用中的有用性。