The Experts below are selected from a list of 270 Experts worldwide ranked by ideXlab platform
Gang Xie - One of the best experts on this subject based on the ideXlab platform.
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cooperative strategies for sustainability in a decentralized supply chain with competing suppliers
Journal of Cleaner Production, 2016Co-Authors: Gang XieAbstract:Abstract In today's global market, organizations increasingly recognize that they must address the issue of sustainability in their operations. In addition, the decision-making processes surrounding sustainable supply chain management are raising a wide range of theories and claims about how best to address the issue. In this study, mathematical modeling is used to analyze managerial decision-making in terms of improving sustainability in a decentralized supply chain with two competing suppliers. Firstly, the concept of managerial decision-making for competing suppliers is introduced. Next, the mechanism used in the selection of cooperative strategies is described, and the decisions related to demand, energy efficiency and profits are analyzed in different scenarios of cooperative Strategy Combinations. Also, lump sum transfer contracts are designed for supply chain coordination. An experimental test of an automobile supply chain in China illustrates the impacts of competition intensity on profits, the energy efficiency of environmentally friendly products and consumer surplus. The analysis indicates that the sustainability of the supply chain can be efficiently enhanced through cooperative strategies and parameter adjustments, while tradeoffs should be made by the policy maker before any cooperative Strategy Combination is advocated. This study extends and complements existing literature with regard to how it is possible to improve sustainability in a competitive environment through cooperative supply chain strategies and parameter adjustments, i.e. enhancing the price of environmentally friendly products, lowering the supplier's share of instinct demand potential and lowering the manufacturer's fixed cost related to energy efficiency.
Dequan He - One of the best experts on this subject based on the ideXlab platform.
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ISECS - Information Security Game Analysis with Penalty Parameter
2008 International Symposium on Electronic Commerce and Security, 2008Co-Authors: Xiangwei Kong, Dequan HeAbstract:This paper analyzes information security in the E-commerce based on game theory, and this game analysis method is applied to information security for the first time. We set up the information security game model of the defender and the attacker, make the equilibrium analysis of this game model, and get the ideal Strategy Combination. Then we introduce the penalty parameter of the defender and the penalty parameter of the attacker to solve the problem that the restriction condition is not satisfied. The introduction of the penalty parameter of the defender promotes the defender to invest in information security, and the introduction of the penalty parameter of the attacker promotes the attacker to take no attack Strategy. This paper provides good reference for information security in the E-commerce.
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Information Security Game Analysis with Penalty Parameter
2008 International Symposium on Electronic Commerce and Security, 2008Co-Authors: Xiangwei Kong, Dequan HeAbstract:This paper analyzes information security in the E-commerce based on game theory, and this game analysis method is applied to information security for the first time. We set up the information security game model of the defender and the attacker, make the equilibrium analysis of this game model, and get the ideal Strategy Combination. Then we introduce the penalty parameter of the defender and the penalty parameter of the attacker to solve the problem that the restriction condition is not satisfied. The introduction of the penalty parameter of the defender promotes the defender to invest in information security, and the introduction of the penalty parameter of the attacker promotes the attacker to take no attack Strategy. This paper provides good reference for information security in the E-commerce.
Daniel R Perez - One of the best experts on this subject based on the ideXlab platform.
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a new generation of modified live attenuated avian influenza viruses using a two Strategy Combination as potential vaccine candidates
Journal of Virology, 2007Co-Authors: Haichen Song, Gloria Consuelo Ramirez Nieto, Daniel R PerezAbstract:In light of the recurrent outbreaks of low pathogenic avian influenza (LPAI) and highly pathogenic avian influenza (HPAI), there is a pressing need for the development of vaccines that allow rapid mass vaccination. In this study, we introduced by reverse genetics temperature-sensitive mutations in the PB1 and PB2 genes of an avian influenza virus, A/Guinea Fowl/Hong Kong/WF10/99 (H9N2) (WF10). Further genetic modifications were introduced into the PB1 gene to enhance the attenuated (att) phenotype of the virus in vivo. Using the att WF10 as a backbone, we substituted neuraminidase (NA) for hemagglutinin (HA) for vaccine purposes. In chickens, a vaccination scheme consisting of a single dose of an att H7N2 vaccine virus at 2 weeks of age and subsequent challenge with the wild-type H7N2 LPAI virus resulted in complete protection. We further extended our vaccination Strategy against the HPAI H5N1. In this case, we reconstituted an att H5N1 vaccine virus, whose HA and NA genes were derived from an Asian H5N1 virus. A single-dose immunization in ovo with the att H5N1 vaccine virus in 18-day-old chicken embryos resulted in more than 60% protection for 4-week-old chickens and 100% protection for 9- to 12-week-old chickens. Boosting at 2 weeks posthatching provided 100% protection against challenge with the HPAI H5N1 virus for chickens as young as 4 weeks old, with undetectable virus shedding postchallenge. Our results highlight the potential of live att avian influenza vaccines for mass vaccination in poultry.
Cheng Shih Feng - One of the best experts on this subject based on the ideXlab platform.
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Nash-type equilibrium theorems and competitive Nash-type equilibrium theorems☆
Computers & Mathematics With Applications, 2002Co-Authors: Cheng Shih FengAbstract:Abstract In this paper, we consider two types of equilibrium problems. We study the constrained Nash-type equilibrium problems with multivalued payoff functions. We also study the competitive Nash-type equilibrium problems with multivalued payoff functions. In these two equilibrium problems, we want to find a Strategy Combination such that each player wishes to find a minimal loss from his multivalued payoff function. We use a fixed-point theorem of Park to prove the existence results of these two types of equilibrium problems.
Gloria Consuelo Ramirez Nieto - One of the best experts on this subject based on the ideXlab platform.
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a new generation of modified live attenuated avian influenza viruses using a two Strategy Combination as potential vaccine candidates
Journal of Virology, 2007Co-Authors: Haichen Song, Gloria Consuelo Ramirez Nieto, Daniel R PerezAbstract:In light of the recurrent outbreaks of low pathogenic avian influenza (LPAI) and highly pathogenic avian influenza (HPAI), there is a pressing need for the development of vaccines that allow rapid mass vaccination. In this study, we introduced by reverse genetics temperature-sensitive mutations in the PB1 and PB2 genes of an avian influenza virus, A/Guinea Fowl/Hong Kong/WF10/99 (H9N2) (WF10). Further genetic modifications were introduced into the PB1 gene to enhance the attenuated (att) phenotype of the virus in vivo. Using the att WF10 as a backbone, we substituted neuraminidase (NA) for hemagglutinin (HA) for vaccine purposes. In chickens, a vaccination scheme consisting of a single dose of an att H7N2 vaccine virus at 2 weeks of age and subsequent challenge with the wild-type H7N2 LPAI virus resulted in complete protection. We further extended our vaccination Strategy against the HPAI H5N1. In this case, we reconstituted an att H5N1 vaccine virus, whose HA and NA genes were derived from an Asian H5N1 virus. A single-dose immunization in ovo with the att H5N1 vaccine virus in 18-day-old chicken embryos resulted in more than 60% protection for 4-week-old chickens and 100% protection for 9- to 12-week-old chickens. Boosting at 2 weeks posthatching provided 100% protection against challenge with the HPAI H5N1 virus for chickens as young as 4 weeks old, with undetectable virus shedding postchallenge. Our results highlight the potential of live att avian influenza vaccines for mass vaccination in poultry.
