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1.
研究了幂等左半可换Quantale Q中的滤予以及幂等Quantale上滤子空间的一些性质.在幂等左半可换Quantale的条件下,通过核映射证明了Fil(Q)是2Q的幂等商Quantale,并且∏Fil(Qi)是∏2Qi的幂等商Quantale,最后在幂等Quantale中证明了滤子空间是可分空间.i(ε)I i(ε)I  相似文献   

2.
基于完备格L,在Quantale中引入了L-模糊滤子的概念,并研究了L-模糊滤子的基本性质.在L是闭集格的条件下,得到了Quantale中的L-模糊滤子的等价刻画;在L是空间式Frame且Q是幂等左半可换Quantale的条件下,证明了LQ上的生成滤子映射是Quantale核映射,进而全体L-模糊滤子构成的Quantale FilL(Q)是LQ的幂等的商Quantale;在Quantale中定义了L-模糊滤子拓扑,并得到了Quantale同态关于相应的L-模糊滤子拓扑连续的结论.  相似文献   

3.
类比于态射或环上的对合运算,引入Quantale上的对合运算,从而给出Quantale上矩阵的加权M-P广义逆以及左(右)可消的定义,得到在此定义下Quantale上矩阵若存在加权M-P广义逆,则它是唯一的.在此基础上,用环论的方法,得到Quantale上矩阵存在加权M-P广义逆的一些等价刻画及显式表达式,得到的结论是新的,推广了该领域的最新结果.  相似文献   

4.
 研究了Quantale与单位Quantale Q[e]上的Localic核与Localic余核映射。证明了Quantale Q上的Localic核映射可以惟一地扩张为Q[e]上的Localic核映射,双侧的可换Quantale存在最大的Localic子Quantale。 再将以上结论应用于研究Quantale Q上的最大的Localic余核映射到Q[e]的扩张,给出了Q上的最大的Localic余核映射到Q[e]的扩张的所有形式,并且证明了Q[e]有最大Localic子Quantale当且仅当Q是平凡Quantale。  相似文献   

5.
连续Quantale及其范畴性质   总被引:2,自引:0,他引:2  
研究了连续Quantale及其范畴性质,定义了半连续Quantale,在此基础上讨论了半连续Quantale、连续Quantale和正则Quantale之间的关系.证明了严格右侧的连续Quantale是正则Quantale,严格右侧的左侧Quantale是连续Quantale当且仅当它是半连续Quantale.给出了连续Quantale中理想的概念,探讨了连续Quantale中理想和连续Quantale范畴的性质,证明了此范畴不仅是点化的、连通的,而且有乘积、每一个投射都是收缩.  相似文献   

6.
首先给出了Quantale中模糊理想的概念.其次,研究了Quantale中模糊理想的性质,得出了Quantale中模糊理想与理想之间的关系.最后给出Quantale中模糊理想扩张的定义,并研究了其性质,得到了在Quantale中模糊理想的扩张还是模糊理想的结论.  相似文献   

7.
Quantale中的理想与同余   总被引:1,自引:0,他引:1  
从代数角度研究了右侧幂等Quantale中的理想和理想余核的具体结构,并且证明了右侧幂等Quantale中的理想和理想余核分别是主理想和简单理想余核.同时讨论了Quantale中理想与同余之间的关系.  相似文献   

8.
通过引入Quantale上左半可换核映射的概念, 用Quantale中的左准对称元给出最大左半可换商的刻画, 证明了左半可换Quantale范畴是Quantale范畴的反射子范畴, 并讨论了局部核映射与左半可换核映射之间的关系.  相似文献   

9.
讨论了含最大元的偏序半群的若干性质,给出了含最大元的偏序半群中某些子集构成理想的充要条件.在含最大元 u 的偏序半群 S 中,证明了一个非平凡的(?)—类 L_u((?)—类 R_u)是一个理想当且仅当 L_u(R_u)的每一元素都是左(右)零元;S~1u(uS~1)是一个极小左(右)理想当且仅当(?)α∈S,u=uau;S~1u(uS~1)是极小左(右)理想且 L(?)(R(?))是平凡的当且仅当 u 是右(左)零元.  相似文献   

10.
在这篇文章中,将给出完备左(右)Hilbert代数及其上的左(右)Von Neumann代数的某些性质。其主要结论是:完备左(右)Hilbert代数中左(右)闭理想都含有极小幂等自共轭元,并且其上的左(右)Von Neumann代数可由极小投影生成。  相似文献   

11.
Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.  相似文献   

12.
何延凌 《科技信息》2008,(4):258-258
Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women's language from these perspectives: pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women's language, more attention should be paid to language use in social context. What's more, the linguistic phenomena in a speaking community can be understood more thoroughly.  相似文献   

13.
The discovery of the prolific Ordovician Red River reservoirs in 1995 in southeastern Saskatchewan was the catalyst for extensive exploration activity which resulted in the discovery of more than 15 new Red River pools. The best yields of Red River production to date have been from dolomite reservoirs. Understanding the processes of dolomitization is, therefore, crucial for the prediction of the connectivity, spatial distribution and heterogeneity of dolomite reservoirs.The Red River reservoirs in the Midale area consist of 3~4 thin dolomitized zones, with a total thickness of about 20 m, which occur at the top of the Yeoman Formation. Two types of replacement dolomite were recognized in the Red River reservoir: dolomitized burrow infills and dolomitized host matrix. The spatial distribution of dolomite suggests that burrowing organisms played an important role in facilitating the fluid flow in the backfilled sediments. This resulted in penecontemporaneous dolomitization of burrow infills by normal seawater. The dolomite in the host matrix is interpreted as having occurred at shallow burial by evaporitic seawater during precipitation of Lake Almar anhydrite that immediately overlies the Yeoman Formation. However, the low δ18O values of dolomited burrow infills (-5.9‰~ -7.8‰, PDB) and matrix dolomites (-6.6‰~ -8.1‰, avg. -7.4‰ PDB) compared to the estimated values for the late Ordovician marine dolomite could be attributed to modification and alteration of dolomite at higher temperatures during deeper burial, which could also be responsible for its 87Sr/86Sr ratios (0.7084~0.7088) that are higher than suggested for the late Ordovician seawaters (0.7078~0.7080). The trace amounts of saddle dolomite cement in the Red River carbonates are probably related to "cannibalization" of earlier replacement dolomite during the chemical compaction.  相似文献   

14.
理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。  相似文献   

15.
As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.  相似文献   

16.
AcomputergeneratorforrandomlylayeredstructuresYUJia shun1,2,HEZhen hua2(1.TheInstituteofGeologicalandNuclearSciences,NewZealand;2.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,China)Abstract:Analgorithmisintrod…  相似文献   

17.
There are numerous geometric objects stored in the spatial databases. An importance function in a spatial database is that users can browse the geometric objects as a map efficiently. Thus the spatial database should display the geometric objects users concern about swiftly onto the display window. This process includes two operations:retrieve data from database and then draw them onto screen. Accordingly, to improve the efficiency, we should try to reduce time of both retrieving object and displaying them. The former can be achieved with the aid of spatial index such as R-tree, the latter require to simplify the objects. Simplification means that objects are shown with sufficient but not with unnecessary detail which depend on the scale of browse. So the major problem is how to retrieve data at different detail level efficiently. This paper introduces the implementation of a multi-scale index in the spatial database SISP (Spatial Information Shared Platform) which is generalized from R-tree. The difference between the generalization and the R-tree lies on two facets: One is that every node and geometric object in the generalization is assigned with a importance value which denote the importance of them, and every vertex in the objects are assigned with a importance value,too. The importance value can be use to decide which data should be retrieve from disk in a query. The other difference is that geometric objects in the generalization are divided into one or more sub-blocks, and vertexes are total ordered by their importance value. With the help of the generalized R-tree, one can easily retrieve data at different detail levels.Some experiments are performed on real-life data to evaluate the performance of solutions that separately use normal spatial index and multi-scale spatial index. The results show that the solution using multi-scale index in SISP is satisfying.  相似文献   

18.
In the 19th century the society was controlled by men, and women were just appendants of them, they had not any rights and freedom. But Jane was an exception, she showed some characteristics of early feminist. Jane showed her characteristics of feminism in three aspects: rebellion, equality, and independence. These characteristics were helpful to her success, and feminism is the only way out for women of that time.  相似文献   

19.
正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-  相似文献   

20.
We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-  相似文献   

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