简介：在这篇论文，我们学习树鞅并且证明了那如果1≤α，β<∞，1≤p<∞那么为每可预言的树鞅f=(英尺，t∈T)并且E[σ(P)(f)]<∞，E[S(P)(f)]<∞，Cαβ在哪儿仅仅取决于α和β，保持那。

简介：Amachine,orothertypeof“system”,canoftenbedividedintoseveralsubsystems(components)andthesesubsystemsagaincanbedividedintosevreralsubsystems(secondgeneration).Thisprocessformsasystemtree.Toassessthereliabilityofthemachinebasedondatafromthetrialsofcomponentsofthemachine,virtualsystemmethodisemployed.ItisprovedinthepaperthatthelowerconfidentlimitofthereliabilityofthemachinesetbythevirtualsystemmethodislevelconsistentandasymptoticallyoptimalwhiletheonesetbyLindstrom-Maddensmethodisnot.

简介：我们介绍向上并且向下从徐鈥檚被概括的面向的树图谎言代数学树图谎言代数学，和研究与abelian理想有关的这些代数学的某些数字invariants。关键词Abelian理想-树图-可解决的谎言代数学先生(2000)题目分类17B05-17B30由上海领先的学术纪律工程支持了(工程没有。B407）

简介：Aroutingtreeforasetoftasksisadecisiontreewhichassignsthetaskstotheirdestinationsaccordingtothefeaturesofthetasks.Aweightedroutingtreeisonewithcostsattachedtoeachlinkofthetree.Linksofthesamefeaturehavethesamecost.Itisprovedthattheproblemoffinding?routingtreeoftheminimumcostforagivensetoftasksoftwofeaturesisNP-complete.

简介：Lookbackoptionsarepath-dependentoptions.Ingeneral,thebinomialtreemethods,asthemostpopularapproachestopricingoptions,involveapathdependentvariableaswellastheunderlyingassetpriceforlookbackoptions.However,forfloatingstrikelookbackoptions,asingle-statevariablebinomialtreemethodcanbeconstructed.Thispaperisdevotedtotheconvergenceanalysisofthesingle-statebinomialtreemethodsbothfordiscretelyandcontinuouslymonitoredAmericanfloatingstrikelookbackoptions.Wealsoinvestigatesomepropertiesofsuchoptions,includingeffectsofexpirationdate,interestrateanddividendyieldonoptionsprices,propertiesofoptimalexerciseboundariesandsoon.

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简介：Wedevelopadatadrivenmethod(probabilitymodel)toconstructacompositeshapedescriptorbycombiningapairofscale-basedshapedescriptors.Theselectionofapairofscale-basedshapedescriptorsismodeledasthecomputationoftheunionoftwoevents,i.e.,retrievingsimilarshapesbyusingasinglescale-basedshapedescriptor.Thepairofscale-basedshapedescriptorswiththehighestprobabilityformsthecompositeshapedescriptor.Givenashapedatabase,thecompositeshapedescriptorsfortheshapesconstituteaplanarpointset.AVoR-Treeoftheplanarpointsetisthenusedasanindexingstructureforefficientqueryoperation.Experimentsandcomparisonsshowtheeffectivenessandefficiencyoftheproposedcompositeshapedescriptor.

简介：双树的复杂小浪变换是在信号并且图象处理的一个有用工具。在这份报纸，我们建议双树的复杂小浪变换(?WT)为图象inpainting的基于的算法问题。我们的途径基于蔡，禅宗，沈和Shens基于framelet的算法。复杂小浪变换在移动不变性，directionality和抗混叠的意义超过标准真实小浪变换。数字结果说明我们的算法的好表演。