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简介：Conceptlatticeisapowerfultoolfordataanalysis.Ithasbeenappliedwidelytomachinelearning,knowledgediscoveryandsoftwareengineeringandsoon.Someaspectsofconceptlatticehavebeenstudiedwidelysuchasbuildinglatticeandrulesextraction,asforitsalgebraicproperties,therehasnotbeendiscussedsystematically.Thepapersuggestsabinaryoperationbetweentheelementsforthesetofallconceptsinformalcontext.Thisturnstheconceptlatticeingeneralsignificanceintothosewithoperators.Wealsoprovedthattheconceptlatticeisalatticeinalgebraicsignificanceandstudieditsalgebraicproperties.Theseresultsprovidedtheoreticalfoundationandanewmethodforfurtherstudyofconceptlattice.

简介：这篇论文以一个社区是最小的在下面条件在复杂网络研究讨论一个流行社区定义，也就是说，社区不能被分成几个更小的社区或裂口并且与另外的网络元素重新组织进新社区。结果提供为社区鉴定的量的措施的进一步的优化计算能在上被认识到的一个底。

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简介：GivenastablematrixA∈Cn×n,therearesomesimplesimultaneousinequalitieswhosecoefficientsrelyonA.For（?）PH=P∈Cn×n,ifPsatisfiestheseinequlities,thenPA+AHP<0.Asanapplicationofthemainresults,thestabilityofthematrixfamilyistreated.Besides,somegeometricpropertiesofthesetofalltheLyapunovmatricesofagivenstablematrixareconsidered.

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简介：文章阐述了mechanicalproperties中译名由“机械性能冶到“力学性能冶的演变过程,认为mechanicalproperties译为“力学性能冶并不合适,应译为“机械性能冶.指出了这种变更存在的问题,进一步说明了mechanicalproperties一词的定义.

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