摘要
讨论了粗糙子代数的性质,得到主要结果:置换性、粗糙子代数的充要条件、同态映射、二重性定理等。
The properties of rough subalgebra are studied. The major result of getting involves substitution, necessary and sufficient condition of the rough subalgebra, homomorphism and duality theorem.
出处
《科学技术与工程》
2005年第11期691-693,共3页
Science Technology and Engineering
关键词
粗糙子代数
上(下)近似
置换
同态映射
二重性
rough subalgebra upper (lower) approximate substitution homomorphism duality
