简介：<正>InthepresentnotethealgebraicindependenceofvaluesofseveralMahlerserieswithcertainparticularanddifferentparametersatalgebraicpointsisestablishedbymeansofatypicalapproximationmethodhandlingtheLiouvilletypeseries.

简介：OnthebasisofaresultinYor(1992),thispapergivesexplicitexpressionsforthevaluationandhedgingofthearithmeticAsianoption.

简介：Arithmeticcodingisarelativelynewloss-lessdatacompressiontechniquethathasattractedmuchattentioninrecentyears.Weshowtheiterationofbit-levelarithmeticcodingcanbespecifiedbyacontinuousfunction.Theanalysisexpressionandsomepropertiesofthisfunctionarediscussed.Anapplicationofthefunctionisprovidedforexploringthesecurityofarithmeticcodeswhentheyareusedfordataencryption.

简介：Thispaperdescribesamaximumtimedifferencepipelinedarithmeticchip,the36-bitadderandsubtractorbasedon1.5μmCMOSgatearray.Thechipcanoperateat60MHz,andconsumeslessthan0.5Watt.Theresultsarealsostudied,andamoreprecisemodelofdelaytimedifferenceisproposed.

简介：Itisacomplexanddifficulttasktosimulatethedegradatingprocessofporousbiologicceramicinlife-formbycomputer.Becausetheevolvementofcrystal'sstructuredealswithnotonlythemechanismofmanyfactors,suchascrystallographytropism,thereciprocityofwafer,interfacialmovement,butalsotopologygeometrymechanismofdimensionalpadding.

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简介：Fromsuchactualconditionsastheeffectsofcharacteristicsofmiltilayerpetroleumgeologyandpermeationfluidmechanics,anewnumericalmodelisputforwardandcouplingsplitting-upimplicitinteractiveschemeisformed.FortheactualsituationofDongyinghollow(four-layer)andTanhairegion(three-layer)ofShengliPetroleumField,thenumericalsimulationtestresultsandtheactualconditionsarecoincident.