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Fixed point theorems for a class of nonlinear sum-type operators and application in a fractional differential equation

In this paper, we consider the fixed point for a class of nonlinear sum-type operators ‘ A + B + C $A+B+C$ ’ on an ordered Banach space, where A, B are two mixed monotone operators, C is an increasing operator. Without assuming the existence of upper-lower solutions or compactness or continuity conditions, we prove the unique existence of a positive fixed point and also construct...

Photosynthesis of subtropical forest species from different successional status in relation to foliar nutrients and phosphorus fractions

laboratory. Author information Author notes Guihua Zhang and Lingling Zhang contributed equally to this work. AffiliationsKey Laboratory of Vegetation Restoration and Management of Degraded Ecosystems ... , South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, ChinaGuihua Zhang, Lingling Zhang & Dazhi WenCollege of Resources and Environment, University of Chinese Academy of Sciences

Ipatasertib, a novel Akt inhibitor, induces transcription factor FoxO3a and NF-κB directly regulates PUMA-dependent apoptosis

• PubMed • Google Scholar Search for Yujie Zhao in:Nature Research journals • PubMed • Google Scholar Search for Xiaoxiao He in:Nature Research journals • PubMed • Google Scholar Search for Lingling Zhang ... Scholar Conflict of interest The authors declare that they have no conflict of interest. Corresponding authors Correspondence to Lingling Zhang or Feng Wang or Yingjie Zhang. Electronic supplementary

Dissecting Brain Networks Underlying Alcohol Binge Drinking Using a Systems Genomics Approach

Alcohol use disorder (AUD) is a complex psychiatric disorder with strong genetic and environmental risk factors. We studied the molecular perturbations underlying risky drinking behavior by measuring transcriptome changes across the neurocircuitry of addiction in a genetic mouse model of binge drinking. Sixteen generations of selective breeding for high blood alcohol levels after...

Local uniqueness of positive solutions for a coupled system of fractional differential equations with integral boundary conditions

Zhai 1 Lingling Zhang 0 0 College of Mathematics, Taiyuan University of Technology , Taiyuan, Shanxi 030024 , P.R. China 1 School of Mathematical Sciences, Shanxi University , Taiyuan, Shanxi 030006

How can we better use Twitter to find a person who got lost due to dementia?

University of Hong Kong, Sha Tin, Hong KongKelvin K. F. Tsoi, Nicholas B. Chan, Felix C. H. Chan, Lingling Zhang & Helen M. L. MengJockey Club School of Public Health and Primary Care, The Chinese University ... . Chan in:Nature Research journals • PubMed • Google Scholar Search for Felix C. H. Chan in:Nature Research journals • PubMed • Google Scholar Search for Lingling Zhang in:Nature Research journals

CD146: a potential therapeutic target for systemic sclerosis

, Xiaofeng Zeng and Xiyun Yan designed the experiments. Lingling Zhang, Yongting Luo, Xiao Teng, Zhenzhen Wu and Fei Wang performed all the experiments, analyzed and interpreted the data, Mengtao Li, Dong Xu ... , Qian Wang collected patients materials, Lingling Zhang, Yongting Luo, Jing Feng, Xiaofeng Zeng and Xiyun Yan wrote the manuscript, which all authors edited and approved. Lingling Zhang, Yongting Luo

A general soft-enveloping strategy in the templating synthesis of mesoporous metal nanostructures

Metal species have a relatively high mobility inside mesoporous silica; thus, it is difficult to introduce the metal precursors into silica mesopores and suppress the migration of metal species during a reduction process. Therefore, until now, the controlled growth of metal nanocrystals in a confined space, i.e., mesoporous channels, has been very challenging. Here, by using a...

Comparing the Success Rate of Dacryocystorhinostomy With and Without Silicone Intubation: A Trial Sequential Analysis of Randomized Control Trials

journals • PubMed • Google Scholar Search for Lingling Zhang in:Nature Research journals • PubMed • Google Scholar Search for Yang Liu in:Nature Research journals • PubMed • Google Scholar Search for Hong ... Ma in:Nature Research journals • PubMed • Google Scholar Search for Shuzhen Li in:Nature Research journals • PubMed • Google Scholar Contributions Chuanqi Xie and Lingling Zhang designed the study

Time Reversal Aided Bidirectional OFDM Underwater Cooperative Communication Algorithm with the Same Frequency Transmission

3Department of Electrical and Computer Engineering, West Virginia University, Montgomery, WV 25136, USA Correspondence should be addressed to Lingling Zhang; moc.361@9999gnilgnilgnahz Received 8 January 2017 ... ; Revised 26 January 2017; Accepted 5 February 2017; Published 23 February 2017 Academic Editor: Fanli Meng Copyright © 2017 Lingling Zhang et al. This is an open access article distributed under the

Time Reversal Aided Bidirectional OFDM Underwater Cooperative Communication Algorithm with the Same Frequency Transmission

3Department of Electrical and Computer Engineering, West Virginia University, Montgomery, WV 25136, USA Correspondence should be addressed to Lingling Zhang; moc.361@9999gnilgnilgnahz Received 8 January 2017 ... ; Revised 26 January 2017; Accepted 5 February 2017; Published 23 February 2017 Academic Editor: Fanli Meng Copyright © 2017 Lingling Zhang et al. This is an open access article distributed under the

Prediction of Chloride Diffusion in Concrete Structure Using Meshless Methods

Degradation of RC structures due to chloride penetration followed by reinforcement corrosion is a serious problem in civil engineering. The numerical simulation methods at present mainly involve finite element methods (FEM), which are based on mesh generation. In this study, element-free Galerkin (EFG) and meshless weighted least squares (MWLS) methods are used to solve the...

The solution for a class of sum operator equation and its application to fractional differential equation boundary value problems

In this paper we study a class of sum operator equation A x + B x + C ( x , x ) = x on ordered Banach spaces, where A is an increasing operator, B is a decreasing operator, and C is a mixed monotone operator. The existence and uniqueness of its positive solution are obtained by using the properties of cone and fixed point theorems for mixed monotone operators. As an application...

Ethnobotanical study of traditional edible plants used by the Naxi people during droughts

Background Since 2009, millions of people have been forced to live under food shortage by the continuous drought in Southwestern China. The market was the primary source of aid grains, and fears that the market will be unable to provide sufficient food make safeguarding food security in the face of climate change crucial. Traditional adaptive strategies of pre-market indigenous...

Attitudes towards primary care career in community health centers among medical students in China

Background Very few of the primary care doctors currently working in China’s community health centers have a college degree (issued by 5-year medical schools). How to attract college graduates to community services in the future, therefore, has major policy relevance in the government’s ongoing efforts to reform community health care and fill in the long-absent role of general...

Evaluation of water use structure and regulation to balance supply and demand in the Nansi Lake basin, China

In an established water supply system, the increasing demand for water resources caused by economic growth becomes a key issue for water resource management in China. From the water demand management perspective, this paper analyzed the mechanism of internal feedbacks among water resources, population, and economic mutual effects and established a system dynamics model to...

Some Comments on Big Data and Data Science

(2010CB731400). Lingling Zhang currently is Associate Professor at School of Management, University of Chinese Academy of Sciences. She also works as a researcher at Research Centre on Fictitious Economy & Data

Paroxetine alleviates T lymphocyte activation and infiltration to joints of collagen-induced arthritis

Lingling Zhang Xinming Wang Wuyi Sun Wei Wei OPEN T cell infiltration to synovial tissue is an early pathogenic mechanism of rheumatoid arthritis (RA). In the present work, we reveal that G protein coupled

Global and Blow-Up Solutions for a Class of Nonlinear Parabolic Problems under Robin Boundary Condition

, Shanxi 030024, China Received 26 June 2014; Accepted 28 July 2014; Published 14 August 2014 Academic Editor: Sanling Yuan Copyright © 2014 Lingling Zhang and Hui Wang. This is an open access article

Global and Blow-Up Solutions for a Class of Nonlinear Parabolic Problems under Robin Boundary Condition

, Shanxi 030024, China Received 26 June 2014; Accepted 28 July 2014; Published 14 August 2014 Academic Editor: Sanling Yuan Copyright © 2014 Lingling Zhang and Hui Wang. This is an open access article