Author(s): Wang Peizhuang Xu Huaqi
Pages: 13-18
Year: 1985 Issue:  3
Journal: Journal of Beijing Normal University(Natural Science)
Keyword:  可加函数; 扩张定理; 递归; 指标集; 子格; 正则; 定义; 半环; 映射; 可加性;
Abstract: The main results are that:An recursive additive function can be extended uniquely from a Join-class M to the sublattice [M]_v;mapping f:M→[0,1] satisfying that can be extended as a lattical additive function on the semiring (M)when- ever M is regular.