In this paper,the author discusses the structure of π-left zero semi-groups,to prove that if S is a finite π-left zero semi-groups such that |E(s)|≤4,then the lattice of congruences C(S) of S is a semi-modular lattice.
通过研究π-左零半群的结构,利用所得的结论证明:若S是有限π-左零半群|E(s)|≤4,则C(S)是半模格。
Artin semilattice and Noether semilattice;
Artin半格与Noether半格
Semilattices of Fuzzy Groups;
Fuzzy群的半格(英文)
Finally,the concept of commutative free product was given,and the relationship between semi-lattice free product and commutative free product was examined.
还建立了交换自由积的概念,并考察了半格自由积与交换自由积的关系。
Then,it gives the relation of semi-lattice commute free product as the free product of regular tape.
证明正则带类中自由积与张量积的存在性,并证明正则带的自由积的张量积可表为张量积的自由积,给出了半格交换自由积作为正则带的自由积之间的关系。
This paper investigates the multiplicative band semirings whose additive reduct are semilattices,by using the Green-D relation and gets the results of multiplicative band semirings,It proves that the D+-calsses of multiplicative band semirings are bi-rectangular bands.
研究了半格簇中的乘法带半环;利用Green-D关系,给出了乘法带半环的若干性质,证明了乘法带半环的D+-类一定是双矩形带,进一步得到了乘法带半环簇。
We study the semirings whose additive reduct are semilattices and multiplicative reduct are rectangular groups.
研究了加法半群为半格、乘法半群为矩形群的半环。
The E~*-unitarity for λ-semidirect Productsof Semilatties and Primitive Inverse Semigroups;
半格与本原逆半群的λ-半直积的E~*-酉性
Amenably ∨-semilattice-ordered generalized inverse semigroup
Amenable上半格序广义逆群
Bi-filters, Bi-ideal subsets and semilattice deco mpositions of semigroups
双滤子、双理想子集与半群的半格分解
(?)-Condensing Operators on Semilattices, Join-Complete Lattices and Some Inverse Semigroups
半格，并完全格和某些逆半群上的（？）-凝聚算子
GRAPH REPRESENTATIONS OF A FREE CLIFFORD MONOID AND A FREE SEMILATTICE WITH IDENTITY
自由Clifford幺半群和含恒等元的自由半格的图表示
Solid Regular Bands, Strong Semilattices of Completely Simple Semigroups and Their Inverse Semigroups of Bicongruences;
硬正则带和完全单半群的强半格及它们的双同余逆半群
Conclusion Some known results about bi-semilattice becoming distributive lattice are expanded.
结论推广了双半格成为分配格的一些结果。
The Lattice of Weakly Inverse Subsemigroups of a Weakly Inverse Semigroup and the Lattice of Full Subsemigroups of a Regular Semigroup;
关于弱逆半群的弱逆子半群格及正则半群的全子半群格
fibonacci semiconductor superlattice
菲博纳奇半导体超晶格
One student in two passed the exam.
半数学生考试及格。
a serio-comic remark, style, play
半严肃半滑稽的言语、 风格、 话剧.
Two Classesof π-Regular Semigroups with particular Lattices of Subsemigroups
具特殊子半群格的两类π-正则半群
Local Spectral Radius of Semi-group on Banach Lattices;
Banach格上半群的局部谱半径
The Fine-coare Partial Order of Proximity Structures on a Given Psendocomplemented Lattice;
伪补格上半Proximity结构的精粗半序
On Some Questions of Semicontinuous Lattices and Strongly Continuous Lattices;
半连续格和强连续格若干问题的研究
The Research on the Kinetic Energy Spectrum of Semi-lmplicit Semi-Lagrangian Dynamical Core;
半隐式半拉格朗日动力框架的动能谱研究
Finite Element Analysis of Geocell Dealing with Half-Filled and Half-Dug Road;
土工格室处治半填半挖路基的有限元分析
Analysis of petroleum price changing in the first half year and forecast of the second half year
上半年石油价格变化分析及下半年预测