In this paper, we describe all the divisible semiring congruences on a distributive semiring S and also establish a one-......

In this paper, we describe the least distributive lattice congruence on a commutative distributive semiring....

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Sernirings which are a disjoint union of rings form a variety S which contains the variety of all rings and the variety ......

Any RNA strand can be presented by a word in the language X*, where X={A,C,G,U}. By encoding A as 010, C as 000, G as 11......