简介:Inthisarticle,wemainlydiscusstheasymptoticbehaviorformulti-dimensionalcontinuous-timerandomwalkinrandomenvironmentwithholdingtimes.Byconstructingarenewalstructureandusingthepoint'environmentviewedfromtheparticle',underGeneralKalikow'sCondition,weshowthelawoflargenumbers(LLN)andcentrallimittheorem(CLT)fortheescapespeedofrandomwalk.
简介:Firstofalltheauthorsintroducetheconceptsofrandomsub-self-similarsetandrandomshiftsetandthenconstructtherandomsub-self-similarsetbyarandomshiftsetandacollectionofstatisticalcontractionoperators.
简介:InthepresentpaperweintroducearandomiterationschemeforthreerandomoperatorsdefinedonaclosedandconvexsubsetofauniformlyconvexBanachspaceandproveitsconvergencetoacommonfixedpointofthreerandomoperators.Theresultisalsoanextensionofaknowntheoreminthecorrespondingnon-randomcase.
简介:Overthepasttwodecades,wheneveracopyofJournalofGeologicalSocietyoflndiahasreachedmyhand,thefirstthingIhavedoneisreadtheeditorial.Nomatterwhattheirtopicsare,theseessaysareneverdullbutlivelyandprecisepresentationsofvariousearthscienceissuesfacingthedevelopingcountriesandoftentimestheworldaswell.ComingfromthepenofDr.B.P.Radhakrishna,
简介:Let(Ω,A,P)beaprobabilityspace,X(t,ω)arandomfunctioncontinuousinprobabilityfort∈[0,∞)or(-∞,+∞)(ω∈Ω),andF(t)apositivefunctioncontinuousfort∈[0,+∞)or(-∞,+∞).IfX(t,ω)andF(t)verifycertainconditions,thenthereexistaasequence{Qn(t,ω)}ofrandompolynomialssuchthatwehavealmostsurely:fort[0,+∞)or(-∞,+∞),lim↑n→+∞|X(t,ω)-Qn(t,ω)|/F(t)=0.
简介:AttheinvitationofDistrict5170,RotaryClubofCaliforniaofUSA,a5memberCAFIUdelegationheadedbyMr.TanRonggen,CouncilMember,visit...
简介:Inthispaper,weintroducetheapplicationofrandommatricesinmathematicalphysicsincludingRiemann-Hilbertproblem,nuclearphysics,bigdata,imageprocessing,compressedsensingandsoon.WestartwiththeRiemannHilbertproblemandstatetherelationbetweentheprobabilitydistributionofnontrivialzerosandtheeigenvaluesoftherandommatrices.Throughtherandommatricestheory,wederivethedistributionofNeutronwidthandprobabilitydensitybetweenenergylevels.Inaddition,theapplicationofrandommatricesinquantumchromodynamicsandtwodimensionalEinsteingravityequationsisalsopresentinthispaper.
简介:Thispaperreportsacoherentrandommicrocavitylaserthatconsistsofadisorderedcladding(scattering)layerandalight-amplificationcorefilledwithdyesolution.Coldcavityanalysisindicatesthattherandomresonancemodessupportedbytheproposedcavitycanbeeffectivelyexcited.Withintroducingthegainmaterial,randomlasingbyspecificmodesisobservedtoshowtypicalfeaturesofcoherentrandomlasers,suchasspatiallyincoherentemissionofrandommodes.Byinsertingametalnanoparticleintothegainregion,emissionwavelength/intensityoftherandomlaserscanbeconsiderablytunedbychangingthepositionoftheinsertednanoparticle,openingupnewavenuesforcontrollingoutputofrandomlasersandsensingapplications(e.g.,smallparticleidentification,location,etc.).
简介:Inthispaperweshowthcmethodofenergyinpartwithwhichwecangetthemodelofrandomwave,andpredicttherollmotionofunstabilizedshipandstabilizedshipusingthewavemodel.Thecontrolparametersoffinstabilizeraredeterminedaccordingtotheperformanceindex.Thesimulationofthesystemisalsomadeinthispaper.Thecomparisonofthesimulationwithrealshipindicatesthatthemethodcanbeusedinthepredictionofrollmotionofastabilizedshipinrandomwave.
简介:Thedualrandommodelsaboutthelifeinsuranceandsocialpensioninsurancehavereceivedconsiderableattentionintherecentarticlesonactuarialtheoryandapplications.Thispaperdiscussesageneralkindofincreasingannuitybasedonitsforceofinterestaccumulationfunctionasageneralrandomprocess.Thedualrandommodelofthepresentvalueofthebenefitsoftheincreasingannuityhasbeenset,andtheirmomentshavebeencalculatedundercertainconditions.
简介:ThispapercontainstheKolmogorov-Prokhorovexponentialinequalitiesfordependentrandomvariables,i.e.,forφ-mixing,ρ--mixingandα--mixing.Asanapplication,thelawofiteratedlogarithmisestablishedforstationaryα--mixingsequenceunderanearlybestassumption.
简介:Inthispapertheauthorsgeneralizetheclassicrandombipartitegraphmodel,anddefineamodeloftherandombipartitemultigraphsasfollows:letm=m(n)beapositiveinteger-valuedfunctiononnandζ(n,m;{pk})theprobabilityspaceconsistingofallthelabeledbipartitemultigraphswithtwovertexsetsA={a_1,a_2,...,a_n}andB={b_1,b_2,...,b_m},inwhichthenumberst_(ai),b_joftheedgesbetweenanytwoverticesa_i∈Aandb_j∈BareidenticallydistributedindependentrandomvariableswithdistributionP{t_(ai),b_j=k}=pk,k=0,1,2,...,wherepk≥0and∞Σk=0pk=1.TheyobtainthatX_(c,d,A),thenumberofverticesinAwithdegreebetweencanddofG_(n,m)∈ζ(n,m;{pk})hasasymptoticallyPoissondistribution,andanswerthefollowingtwoquestionsaboutthespaceζ(n,m;{pk})with{pk}havinggeometricdistribution,binomialdistributionandPoissondistribution,respectively.Underwhichconditionfor{pk}cantherebeafunctionD(n)suchthatalmosteveryrandommultigraphG_(n,m)∈ζ(n,m;{pk})hasmaximumdegreeD(n)inA?underwhichconditionfor{pk}hasalmosteverymultigraphG(n,m)∈ζ(n,m;{pk})auniquevertexofmaximumdegreeinA?