| 释义 |
direct sum
Thesaurus| Noun | 1. | direct sum - a union of two disjoint sets in which every element is the sum of an element from each of the disjoint setsjoin, sum, union - a set containing all and only the members of two or more given sets; "let C be the union of the sets A and B" |
direct sum
direct sum[də¦rekt ′səm] (mathematics) If each of the sets in a finite direct product of sets has a group structure, this structure may be imposed on the direct product by defining the composition “componentwise”; the resulting group is called the direct sum. direct sum
Words related to direct sumnoun a union of two disjoint sets in which every element is the sum of an element from each of the disjoint setsRelated Words |