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Search Results: 1 - 10 of 120124 matches for " Chunjie Wang "
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Common Fixed Point Theorems for Totally Quasi-G-Asymptotically Nonexpansive Semigroups with the Generalized f-Projection  [PDF]
Chunjie Wang, Yuanheng Wang
Applied Mathematics (AM) , 2014, DOI: 10.4236/am.2014.51004
Abstract:

In this paper, we introduce some new classes of the totally quasi-G-asymptotically nonexpansive mappings and the totally quasi-G-asymptotically nonexpansive semigroups. Then, with the generalized f-projection operator, we prove some strong convergence theorems of a new modified Halpern type hybrid iterative algorithm for the totally quasi-G-asymptotically nonexpansive semigroups in Banach space. The results presented in this paper extend and improve some corresponding ones by many others.

Logarithmic convexity of integral means for analytic functions
Chunjie Wang,Kehe Zhu
Mathematics , 2011,
Abstract: We show that the $L^2$ integral mean on $r\D$ of an analytic function in the unit disk $\D$ with respect to the weighted area measure $(1-|z|^2)^\alpha\,dA(z)$, where $-3\le\alpha\le0$, is a logarithmically convex function of $r$ on $(0,1)$. We also show that the range $[-3,0]$ for $\alpha$ is best possible.
Gaussian Integral Means of Entire Functions
Chunjie Wang,Jie Xiao
Mathematics , 2013,
Abstract: For an entire mapping $f:\mathbb C\mapsto\mathbb C$ and a triple $(p,\alpha, r)\in (0,\infty)\times(-\infty,\infty)\times(0,\infty]$, the Gaussian integral means of $f$ (with respect to the area measure $dA$) is defined by $$ {\mathsf M}_{p,\alpha}(f,r)=\Big({\int_{|z|
Gaussian integral means of entire functions: logarithmic convexity and concavity
Chunjie Wang,Jie Xiao
Mathematics , 2014,
Abstract: For $0
Using the Power Control and Cooperative Communication for Energy Saving in Mobile Ad Hoc Networks  [PDF]
Chunjie Chen, Chao Jin, Demin Li, Jiacun Wang, Jianan Fang
Communications and Network (CN) , 2010, DOI: 10.4236/cn.2010.21001
Abstract: In this paper, we investigate the energy saving problem in mobile ad hoc network, and give out an improved variable-range transmission power control algorithm based on minimum spanning tree algorithm (MST). Using previous work by Gomez and Campbell [1], we show that in consider of node's mobility, the previous variable-range transmission power control based on minimum spanning tree algorithm can not support nodes' mobility in mobile ad hoc network. For this reason, we give out an improved variable-range transmission power control algorithm to support node's mobility and solve asymmetric graph problem. To save more energy without changing the topology of the network, we give out two new data transmission mechanisms based on the idea of cooperative communication. The results of this paper enhance the possibility of using variable-range transmission power control in mobile ad hoc networks.
Finite Element Simulation of Thermal Field in Double Wire Welding  [PDF]
Xiuzhi Yang, Chunjie Yang, Chunfa Dong, Xinhua Xiao, Wenlin Hua, Xiangjie Wang
Journal of Materials Science and Chemical Engineering (MSCE) , 2016, DOI: 10.4236/msce.2016.412002
Abstract:
In this paper, the thermal field of double wire welding is simulated by using ANSYS software. Simulation results were shown that the total heat input (E) is the most significant parameters to change the value of t8/5; By the mean of rationally controlling the proportion of the front arc heat input (E1) in the total heat input (E) and appropriately selecting double wire spacing (L), It is effective means to get the double wire welding thermal cycle. By the way of simulation, it is possible to manage the thermal input in the double welding wires and to control the temperature field and cooling rate that are fundamental for the final joint quality, it is great importance guidance to optimize the double wire welding process parameters.
Logarithmic convexity of area integral means for analytic functions II
Chunjie Wang,Jie Xiao,Kehe Zhu
Mathematics , 2013, DOI: 10.1017/S1446788714000457
Abstract: For $0
Research on the Complementarity and Comparative Advantages of Agricultural Product Trade between China and CEE Countries
—Taking Poland, Romania, Czech Republic, Lithuania and Bulgaria as Examples
 [PDF]

Chunyan Yu, Chunjie Qi
Journal of Service Science and Management (JSSM) , 2015, DOI: 10.4236/jssm.2015.82022
Abstract: There is huge potential in agricultural product trade between China and CEE countries. Taken Poland, Romania, Czech Republic, Lithuania and Bulgaria as examples, this paper uses RCA, TCI and GL indexes to analyze the complementarity and comparative advantages between China and others. Results show that agricultural product trade between China and CEE countries has the characteristics like highly complementarity, great potential for products having comparative advantages and obvious intra-industry trade tendency. China and CEE countries should further bring out their comparative advantages, and adjust product structure of exports, achieving mutual benefit and win-win result of bilateral trade.
The Study on Cultivating Students’ Mathematics Problem Consciousness in Senior High School Classroom Teaching  [PDF]
Chunjie Yu, Hailun Fu
Open Journal of Social Sciences (JSS) , 2017, DOI: 10.4236/jss.2017.57012
Abstract:
Innovation education is the core and key of quality education. And the key of innovation lies in whether students have strong problem consciousness. The importance of problem consciousness in the mathematics teaching is becoming more and more prominent and has aroused much attention. However, from education status, we can see that senior high school students are severely lacking in mathematical problem consciousness. This paper focuses on the cultivation of senior high school students’ problem consciousness in mathematics classroom teaching, which has four parts. The first part is the research background and the research status. The second part presents the survey data for the status quo of senior high school students’ mathematical problem consciousness. The third part focuses on the reasons why senior high school students lack mathematical problem consciousness and carries on research from two aspects, which are students themselves and school education. The fourth part, which is the key of this paper, mainly discusses the teaching strategies of cultivating senior high school students’ problem consciousness in mathematics classroom teaching. The fifth part is the summary and reflection.
Expression and Prognostic Significance of Wnt7a in Human Endometrial Carcinoma
Chunjie Peng,Xiaolei Zhang,Yujie Wang,Lijuan Li
Obstetrics and Gynecology International , 2012, DOI: 10.1155/2012/134962
Abstract:
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