The Relation Between the Petits Integral and the McShane Integral of Banach-valued Functions Defined on R~n

R.A.Gordon[1]generalizedthedefinitionoftheMcShaneintegralforrealvaluedfunctionstotheabstractfunctionsfromR1toBanachspaces.Inthispaper,wedefinetheMcShaneintegralforabstractfunctionsfromRntoBanachspacesandprovethatifeveryfunctionffromIoinRntoBanachspacesisMcShaneintegrablethenfisPettisintegrable,andiftheunitballB(X)inX*isrelativelyweaklycompact,fisPetitsintegrablethenfisMcShaneintegrableonIo.ThisgivesapositiveanswertoanopenproblemleftbyR.A.Gordonin[1].ThroughoutthispaperXwilldenoteare…     

TOEPLITZ C-ALGEBRA OVER THE L-SHAPED DOMAIN IN C~m

5o.IntroductionInrecelltyears,ithasbecomemoreandmoreactivetostudytheToeplitzC*-algebrasontheBergmanspacesandontheHardyspaces.SincePaulS.MulilyandJeanN.RenaultgavethegroupoidapproachtotheinvestigationoftheC*-algebraofmultivariableWiener-HopfoperatorsI4]1theinvestigationoftheC*-algebraovertheReinhardtdomainhasgainedadeepdevelopment.Followingtheprogramof[4],RaulE.CurtoandPaulS.Muhlyin[7]determinedthetypeoftheToeplitzC*-algebraovertheL-shapeddomaininC';A.Sheuin[l4]determinedhowtheToepl…     

论谓词演算 S_ε的单纯完全性

<正> 本文是作者前文[1]的继续,记号和术语同[1].在[1]中我们曾证明如下两事实:(i)若演算 S_8~* 具有一个可数的函项 σ 自由 S_ε~* 代数 A,则单纯 S_ε~* 代数 B_0~N 亦是函项 σ 自由的;(ii)若一致公式集 Γ(?)S_ε~* 在一势不大于(?)的集 J 上 σ 可满足则 Γ 在 J 上对 B_0~N 可满足.本文将从根本土改善上述结果,证明如下两定理:     

A Construction for P-Regular Semigroups

A regular semigroup S with a special involution *, i.e., a unary operation on S satisfyingis called a regular *-semigroup[1]. It has been shown by Yamada[2] that a regular semigroup S isa regular *-semigroup if and only if it has a P-system, that is to say, there is a subset P of E(S)such that(2) As a generalization of regular semigroup and orthodox semigroup,Yamada[3] defined P-regular semigroup. Let S be a regularsemigroup. A subset P of E(S) is called a C-set in S if(c.2) (1) In this…     

OSCILLATORY AND ASYMPTOTIC BEHAVIOUR OF n ORDER NEUTRAL FUNCTIONAL DIFFERENTIAL EQUATIONS

This paper considers oscillatory and asymptotic behaviour of following n order neutral functional differential equation:d~n/dt~n[x(t)-cx(t-τ)] (-1)~(n-1) integral from n=-τ~* to 0 x(t θ)dη(θ)=0, (1)_nwhere τ>0, τ~*>0, 1>c>0, η(θ) is nondecreasing function with bounded variation on[-τ~*, 0].In this paper the author obtains some results for any integer n and c∈[0, 1). When c=0 or n=1, these results coincide with the results in G. Ladas's paper [4] and the author's papers [1, 2].     

区间效应代数的张量积

本文主要研究了区间效应代数的张量积的结构.证明了[0,]与[0,1]的张量积不是[0,1].     

一类基于量子环面非交换结合代数的模

在量子环面[1]上构造一类非交换结合代数AQ-模M(a,b),我们还刻划了AQ-模的结构并揭示[2]一类商模序列:每个商模Mn(a)/Mn+1(a)都同构于M(a,0),每个商模的自同构群AutMn(a)/Mn+1(a)均与C*同构.     

Heisenberg和Schrdinger不确定关系中的不等式

本文通过C~*-代数上的保迹正线性映射,引入广义对称方差和广义对称相关系数的概念.证明了几个与Heisenberg和Schrdinger不确定关系相关的不等式,推广了已有的结论[J.Math.Phys.,2013,54(10):103508]和[J.Math.Anal.Appl.2017,447(1):666-680].     

ON THE MODULI NUMBER OF PLANE CURVE SINGULARITIES WITH ONE CHARACTERISTIC PAIR

61.IntroductionSincethepoineeringworkofZariskil1o]therehavebeenmanypaperspublishedonthemodulinumberofplanecurvesingUlaritiesl5-9].TheproblemhowtocomputethemodulinumberattractsmWattentions[3'6-1o1.Asfarastheauthors'knowledgethemostgener-aJizedalgorithmistheworkof[3]whichdependsonthedivisiontheoremin[1,2].HerewegivealinearalgebraicproofoftheBriancon-Granger-Maisonobe,stheoremlwhichavoidstheDivisiontheorem.Sincethedivisiontheoremonlyholdsindimension2,itseemsquitehopefUlthattheproofherewil1beg…     

THE INVARIANT CONTINUOUS-TRACE C^＊-ALGEBRAS BY THE ACTIONS OF COMPACT ABELIAN GROUPS

1.IntroductionLet(A,G,a)beaC*-dynamicsystem.TherelationbetweenAxosGandAhasbeenstudiedforalongtime,andconsiderableprogresshasbeenmade.SpeciallyifAisacontinuous-traceC*-algebra,I.Raeburnandhiscollaboratorsgotrichresultsseveralyearsago.Forexample,[17]and119]saythatifAisparacompact,Gisabelianandaislocallyunitary,thenAiscontinuous-traceiffAxosGiscontinuous-trace.Inotherdirection,therelationbetweenAxosGandA"withGcompacthasalsobeenstudiedformanyyears.Themovementofthispaperistoinvestigatethec…     

平面上点的表示系统

利用矩阵作为基底和有限个点作为表示系数构造出了平面上点的表示系统，并讨论了这种表示系统的性质，还找出了平面上所有点和所有坐标为整数的点能够表示的条件。     

Nonintegral criterion for oscillations of linear Hamiltonian matrix systems

In this paper we present nonintegral criteria for oscillation of linear Hamiltonian matrix system U^′=A(x)U+B(x)V, V^′=C(x)U−A^*(x)V under the hypothesis (H): A(x), B(x)=B^*(x)>0, and C(x)=C^*(x) are 2×2 matrices of real valued continuous functions on the interval I=[a,∞),(−∞<a). These criteria are conditions of algebraic type only. Our results are also useful for the detection of the oscillation of particular matrix differential systems.     

地下矿山运输系统建模与仿真

系统仿真是系统工程领域的研究热点之一.针对大型地下矿山的运输这一庞大而复杂的系统,以云南锡业集团松树脚矿1360水平运输系统为研究对象,应用离散事件仿真原理,建立了运输系统模型.通过对某些运输参数的调整,确定了其最优的车辆分配,分析了运输系统效率,对该运输系统的运输能力做出了科学的评估.     

基于模糊综合的××型电子调速器系统可靠性评价与分配

本文利用模糊数学的理论与方法,讨论了××型电子调整器系统可靠性评价,给出了影响船舶主动力装置系统可靠性的诸多模糊要数的综合与量化方法,提出了基于模糊综合评判的船舶主动力装置系统可靠性分配的方法.     

Generating a new chaotic attractor by feedback controlling method

A new chaotic system is found by feedback controlling method in this paper. According to the definition of the generalized Lorenz system, the new chaotic system does not belong to generalized Lorenz systems. We analyze the new system by means of phase portraits, Lyapunov exponents, fractional dimension, bifurcation diagram, and Poincaré map. The particular interest is that this novel system can generate two one‐scroll and one two‐scroll chaotic attractors with the variation of a single parameter. The obtained results show clearly that the system is a new chaotic system and deserves a further detailed investigation. Copyright © 2011 John Wiley & Sons, Ltd.     

Possibly non-unital operator system structures on a possibly non-unital function system

In this paper, we first give the definition of possibly non-unital function system, which is a characterization of the self-adjoint subspace of the space of continuous functions on a compact Hausdorff space with the induced order and norm structure. Similar to operator system case, we define the unitalization of a possibly non-unital function system. Then we construct two possibly non-unital operator system structures on a given possibly non-unital function system, which are the analogues of minimal and maximal operator spaces on a normed space. These two structures have many interesting relations with the minimal and maximal operator system structures on a given function system.     

一个随机服务系统的计算机模拟

系统模拟做为一种定量分析的手段,在管理中发挥着重要的作用,对离散系统模拟方法进行了讨论,建立了一个随机服务系统的模型,并通过Excel对其进行模拟,最后对该系统的性能进行了分析.     

A S(3, {4, 6}, 18) with a subdesign S(3, 4, 8) does not exist

For , a S(t,K,v) design is a pair, , with |V| = v and a set of subsets of V such that each t‐subset of V is contained in a unique and for all . If , , , and is a S(t,K,u) design, then we say has a subdesign on U. We show that a S(3,{4,6},18) design with a subdesign S(3,4,8) does not exist. © 2007 Wiley Periodicals, Inc. J Combin Designs 17: 36–38, 2009     

随机动态线性经济系统的稳定性

本文讨论随机动态线性经济系统：Ｙｔ＝ＡＹ＿（ｔ－１）＋ｂ十μ＿ｔ在矩阵Ａ为一般情形下的稳定性问题。并给出该系统稳定的充要条件。