Pub Date : 2024-07-14DOI: 10.3390/encyclopedia4030073
Bo-Wen Shen
This entry examines Lorenz’s error growth models with quadratic and cubic hypotheses, highlighting their mathematical connections to the non-dissipative Lorenz 1963 model. The quadratic error growth model is the logistic ordinary differential equation (ODE) with a quadratic nonlinear term, while the cubic model is derived by replacing the quadratic term with a cubic one. A variable transformation shows that the cubic model can be converted to the same form as the logistic ODE. The relationship between the continuous logistic ODE and its discrete version, the logistic map, illustrates chaotic behaviors, demonstrating computational chaos with large time steps. A variant of the logistic ODE is proposed to show how finite predictability horizons can be determined, emphasizing the continuous dependence on initial conditions (CDIC) related to stable and unstable asymptotic values. This review also presents the mathematical relationship between the logistic ODE and the non-dissipative Lorenz 1963 model.
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Pub Date : 2024-07-01DOI: 10.3390/encyclopedia4030071
C. Bratianu, Roxana-Maria Staneiu
“The Emergence of Neuroleadership in the Knowledge Economy” explores the field of neuroleadership in today’s constantly changing economy, highlighting the transition from traditional leadership to neuroleadership. Neuroleadership renders itself as a novel approach to the leadership theory, which brings together insights from neuroscience, psychology, and leadership studies. It emphasizes understanding the workings of the brain and human behavior in order to drive leadership effectiveness, at individual, team, and organizational levels. Additionally, the knowledge economy is characterized by the significant role of knowledge and intellectual capital when it comes to driving economic growth and organizational development. It highlights the creation, dissemination, and sharing of knowledge as important pillars for productivity and competitive advantage, shaping industries and transforming leadership traditional models. Through an extensive literature review and by employing the Dulewicz and Higgs leadership model, the authors showcase what are the intellectual, managerial, and emotional competencies that make neuroleadership the next natural step in leading teams and organizations. This article proposes a comparative matrix between traditional leaders and neuroleaders, and highlights a novel framework for better understanding neuroleadership.
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Pub Date : 2024-07-01DOI: 10.3390/encyclopedia4030070
Linting Jiang, Janean Rundo, Linna Shi, Nan Zhou
Public company audits are not homogenous. Varying audit partner attributes, including gender, age, location, and expertise, play important roles in explaining audit outcome disparities. The extant literature underscores the influence of firm-level and office-level differences, in areas such as size, culture, and industry expertise, in shaping audit outcomes. Commonwealth countries, such as the U.K., Australia, New Zealand, and Continental European countries, along with Asian economic entities, mandate the disclosure of audit partner names. Consequently, significant research efforts have been devoted to investigating the impact of audit partner characteristics on audit outcomes in these jurisdictions. With the adoption of Public Company Accounting Oversight Board (PCAOB) Rule 3211, mandating disclosure of audit engagement partner details for U.S.-registered public accounting firms on Form AP, there has been a surge in U.S. firm research exploring the significance of audit partner characteristics on audit outcomes in recent years. This paper outlines research that considers audit partner attributes’ influence on audit partner selection and audit quality across different economic entities. This entry contributes by synthesizing findings from recent research across diverse economic contexts, including the recently available insights from U.S.-based audits. The analysis of this entry not only provides insights into the current state of audit partner research but also delineates avenues for future research on this topic.
上市公司审计并非千篇一律。不同的审计合伙人属性，包括性别、年龄、地点和专业知识，在解释审计结果差异方面发挥着重要作用。现有文献强调了公司层面和办事处层面在规模、文化和行业专长等方面的差异对审计结果形成的影响。英联邦国家，如英国、澳大利亚、新西兰和欧洲大陆国家，以及亚洲经济实体，都强制要求披露审计合伙人姓名。因此，这些国家致力于研究审计合伙人的特征对审计结果的影响。美国公众公司会计监督委员会（PCAOB）第 3211 条规定，在美国注册的会计师事务所必须在 AP 表中披露审计业务合伙人的详细信息，随着该规定的通过，近年来美国公司探索审计合伙人特征对审计结果影响的研究激增。本文概述了不同经济实体中审计合伙人属性对审计合伙人选择和审计质量影响的研究。本条目综合了近期不同经济背景下的研究成果，包括最近从美国审计中获得的启示。对本条目进行的分析不仅为审计合伙人研究的现状提供了见解，还为该主题的未来研究指明了方向。
{"title":"Audit Partner Characteristics and Their Impacts on Audit Quality: Evidence from around the World","authors":"Linting Jiang, Janean Rundo, Linna Shi, Nan Zhou","doi":"10.3390/encyclopedia4030070","DOIUrl":"https://doi.org/10.3390/encyclopedia4030070","url":null,"abstract":"Public company audits are not homogenous. Varying audit partner attributes, including gender, age, location, and expertise, play important roles in explaining audit outcome disparities. The extant literature underscores the influence of firm-level and office-level differences, in areas such as size, culture, and industry expertise, in shaping audit outcomes. Commonwealth countries, such as the U.K., Australia, New Zealand, and Continental European countries, along with Asian economic entities, mandate the disclosure of audit partner names. Consequently, significant research efforts have been devoted to investigating the impact of audit partner characteristics on audit outcomes in these jurisdictions. With the adoption of Public Company Accounting Oversight Board (PCAOB) Rule 3211, mandating disclosure of audit engagement partner details for U.S.-registered public accounting firms on Form AP, there has been a surge in U.S. firm research exploring the significance of audit partner characteristics on audit outcomes in recent years. This paper outlines research that considers audit partner attributes’ influence on audit partner selection and audit quality across different economic entities. This entry contributes by synthesizing findings from recent research across diverse economic contexts, including the recently available insights from U.S.-based audits. The analysis of this entry not only provides insights into the current state of audit partner research but also delineates avenues for future research on this topic.","PeriodicalId":504869,"journal":{"name":"Encyclopedia","volume":"1984 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141707469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-12DOI: 10.3390/encyclopedia4020061
Christian R. Prause, R. Gerlich, R. Gerlich
Space exploration has become an integral part of modern society, and since its early days in the 1960s, software has grown in importance, becoming indispensable for spaceflight. However, software is boon and bane: while it enables unprecedented functionality and cost reductions and can even save spacecraft, its importance and fragility also make it a potential Achilles heel for critical systems. Throughout the history of spaceflight, numerous accidents with significant detrimental impacts on mission objectives and safety have been attributed to software, although unequivocal attribution is sometimes difficult. In this Entry, we examine over two dozen software-related mishaps in spaceflight from a software engineering perspective, focusing on major incidents and not claiming completeness. This Entry article contextualizes the role of software in space exploration and aims to preserve the lessons learned from these mishaps. Such knowledge is crucial for ensuring future success in space endeavors. Finally, we explore prospects for the increasingly software-dependent future of spaceflight.
{"title":"Fatal Software Failures in Spaceflight","authors":"Christian R. Prause, R. Gerlich, R. Gerlich","doi":"10.3390/encyclopedia4020061","DOIUrl":"https://doi.org/10.3390/encyclopedia4020061","url":null,"abstract":"Space exploration has become an integral part of modern society, and since its early days in the 1960s, software has grown in importance, becoming indispensable for spaceflight. However, software is boon and bane: while it enables unprecedented functionality and cost reductions and can even save spacecraft, its importance and fragility also make it a potential Achilles heel for critical systems. Throughout the history of spaceflight, numerous accidents with significant detrimental impacts on mission objectives and safety have been attributed to software, although unequivocal attribution is sometimes difficult. In this Entry, we examine over two dozen software-related mishaps in spaceflight from a software engineering perspective, focusing on major incidents and not claiming completeness. This Entry article contextualizes the role of software in space exploration and aims to preserve the lessons learned from these mishaps. Such knowledge is crucial for ensuring future success in space endeavors. Finally, we explore prospects for the increasingly software-dependent future of spaceflight.","PeriodicalId":504869,"journal":{"name":"Encyclopedia","volume":"77 13","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141353192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-14DOI: 10.3390/encyclopedia4020054
Sadie Prigmore, Omolabake Abiodun Okon-Akan, Imuentinyan P. Egharevba, C. C. Ogbaga, P. Okoye, Emmanuel Epelle, Jude A. Okolie
Due to the increasing world population and environmental considerations, there has been a tremendous interest in alternative energy sources. Hydrogen plays a major role as an energy carrier due to its environmentally benign nature. The combustion of hydrogen releases water vapor while it also has a vast industrial application in aerospace, pharmaceutical, and metallurgical industries. Although promising, hydrogen faces storage challenges. Underground hydrogen storage (UHS) presents a promising method of safely storing hydrogen. The selection of the appropriate cushion gas for UHS is a critical aspect of ensuring the safety, efficiency, and reliability of the storage system. Cushion gas plays a pivotal role in maintaining the necessary pressure within the storage reservoir, thereby enabling consistent injection and withdrawal rates of hydrogen. One of the key functions of the cushion gas is to act as a buffer, ensuring that the storage pressure remains within the desired range despite fluctuations in hydrogen demand or supply. This is achieved by alternately expanding and compressing the cushion gas during the injection and withdrawal cycles, thereby effectively regulating the overall pressure dynamics within the storage facility. Furthermore, the choice of cushion gas can have significant implications on the performance and long-term stability of the UHS system. Factors such as compatibility with hydrogen, cost-effectiveness, availability, and environmental impact must be carefully considered when selecting the most suitable cushion gas. The present study provides a comprehensive review of different types of cushion gases commonly used in UHS, including nitrogen, methane, and carbon dioxide. By examining the advantages, limitations, and practical considerations associated with each option, the study aims to offer valuable insights into optimizing the performance and reliability of UHS systems. Ultimately, the successful implementation of UHS hinges not only on technological innovation but also on strategic decisions regarding cushion gas selection and management. By addressing these challenges proactively, stakeholders can unlock the full potential of hydrogen as a clean and sustainable energy carrier, thereby contributing to the global transition towards a low-carbon future.
{"title":"Cushion Gas Consideration for Underground Hydrogen Storage","authors":"Sadie Prigmore, Omolabake Abiodun Okon-Akan, Imuentinyan P. Egharevba, C. C. Ogbaga, P. Okoye, Emmanuel Epelle, Jude A. Okolie","doi":"10.3390/encyclopedia4020054","DOIUrl":"https://doi.org/10.3390/encyclopedia4020054","url":null,"abstract":"Due to the increasing world population and environmental considerations, there has been a tremendous interest in alternative energy sources. Hydrogen plays a major role as an energy carrier due to its environmentally benign nature. The combustion of hydrogen releases water vapor while it also has a vast industrial application in aerospace, pharmaceutical, and metallurgical industries. Although promising, hydrogen faces storage challenges. Underground hydrogen storage (UHS) presents a promising method of safely storing hydrogen. The selection of the appropriate cushion gas for UHS is a critical aspect of ensuring the safety, efficiency, and reliability of the storage system. Cushion gas plays a pivotal role in maintaining the necessary pressure within the storage reservoir, thereby enabling consistent injection and withdrawal rates of hydrogen. One of the key functions of the cushion gas is to act as a buffer, ensuring that the storage pressure remains within the desired range despite fluctuations in hydrogen demand or supply. This is achieved by alternately expanding and compressing the cushion gas during the injection and withdrawal cycles, thereby effectively regulating the overall pressure dynamics within the storage facility. Furthermore, the choice of cushion gas can have significant implications on the performance and long-term stability of the UHS system. Factors such as compatibility with hydrogen, cost-effectiveness, availability, and environmental impact must be carefully considered when selecting the most suitable cushion gas. The present study provides a comprehensive review of different types of cushion gases commonly used in UHS, including nitrogen, methane, and carbon dioxide. By examining the advantages, limitations, and practical considerations associated with each option, the study aims to offer valuable insights into optimizing the performance and reliability of UHS systems. Ultimately, the successful implementation of UHS hinges not only on technological innovation but also on strategic decisions regarding cushion gas selection and management. By addressing these challenges proactively, stakeholders can unlock the full potential of hydrogen as a clean and sustainable energy carrier, thereby contributing to the global transition towards a low-carbon future.","PeriodicalId":504869,"journal":{"name":"Encyclopedia","volume":"74 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140978724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-14DOI: 10.3390/encyclopedia4020053
K. Riches-Suman
Completion and final examination comprise the final stages of a doctoral program and represent the culmination of the doctoral candidates’ years of research. In this entry, completion is defined as the writing and submission of a doctoral thesis, and final examination is defined as the viva voce. Over the years, the format and scope of doctoral degrees has expanded and a variety of formats are now offered. In addition to the traditional research-only doctoral degree, professional, practice-based, and new route programs also contain a taught element alongside research. However, the creation of a substantive thesis or practice-based alternative addressing a novel research question is common to all. In contrast, processes and formats of viva voces vary across the globe. These range from private, closed-door defenses to assessed or ritualistic public defense presentations. For both completion and final examination, there are many practical and psychological hurdles that need to be navigated in order for the candidate to attain their doctoral degree. This entry will highlight these aspects as well as provide evidence-based guidance for supervisors in supporting their doctoral candidates through these daunting final stages.
{"title":"Supporting Doctoral Candidates through Completion and Final Examination","authors":"K. Riches-Suman","doi":"10.3390/encyclopedia4020053","DOIUrl":"https://doi.org/10.3390/encyclopedia4020053","url":null,"abstract":"Completion and final examination comprise the final stages of a doctoral program and represent the culmination of the doctoral candidates’ years of research. In this entry, completion is defined as the writing and submission of a doctoral thesis, and final examination is defined as the viva voce. Over the years, the format and scope of doctoral degrees has expanded and a variety of formats are now offered. In addition to the traditional research-only doctoral degree, professional, practice-based, and new route programs also contain a taught element alongside research. However, the creation of a substantive thesis or practice-based alternative addressing a novel research question is common to all. In contrast, processes and formats of viva voces vary across the globe. These range from private, closed-door defenses to assessed or ritualistic public defense presentations. For both completion and final examination, there are many practical and psychological hurdles that need to be navigated in order for the candidate to attain their doctoral degree. This entry will highlight these aspects as well as provide evidence-based guidance for supervisors in supporting their doctoral candidates through these daunting final stages.","PeriodicalId":504869,"journal":{"name":"Encyclopedia","volume":"38 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140981006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-13DOI: 10.3390/encyclopedia4020052
Eric Chappel
The displacement micropump with passive check valves is an attractive solution for precise insulin infusion in patients with type I diabetes. Unlike most insulin pumps that push insulin from a cartridge using a piston, a displacement micropump will first pull insulin from the reservoir before infusing it into the patient. This dual sequence introduces new challenges in terms of insulin stability, notably if the reservoir is not pressurized. After an introduction to displacement micropumps and a brief review of the insulin degradation mechanism, micropump design rules are discussed in light of microfluidic theory.
带被动单向阀的位移式微型泵是为 I 型糖尿病患者精确输注胰岛素的一种极具吸引力的解决方案。大多数胰岛素泵都是通过活塞将胰岛素从胰岛素筒中抽出，而位移式微型泵则不同，它首先从储液器中抽出胰岛素，然后才将胰岛素注入患者体内。这种双重顺序给胰岛素的稳定性带来了新的挑战，尤其是在储液器没有加压的情况下。在介绍了位移微泵并简要回顾了胰岛素降解机制之后，我们将根据微流体理论讨论微泵的设计规则。
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Pub Date : 2024-05-12DOI: 10.3390/encyclopedia4020051
P. C. Seixas, Nadine Lobner
The ecumene defines a beyond-border space of strong cultural encounters, flows, and merging, grounded within the traditions of world-systems, globalization, transnationalism, and cosmopolitanism discourses. Furthermore, the ecumene links directly with international regions as core political platforms in the making. As such, there are several ecumenes on the forefront, as evidenced by the literature, which can be clustered into ideal types. Epistemologically, it is a relevant concept and tool for a science-of-the-future that focuses on conviviality and transformation for the yet-to-come. Analytically, the ecumene has a descriptive, normative, and critical dimension, and can be empirically accessed through operational concepts such as triggers, hubs, and types of beyond-border conviviality. To apply the ecumene as a research program means to detect convivial common-sense spaces within the global context.
{"title":"The Ecumene: A Research Program for Future Knowledge and Governance","authors":"P. C. Seixas, Nadine Lobner","doi":"10.3390/encyclopedia4020051","DOIUrl":"https://doi.org/10.3390/encyclopedia4020051","url":null,"abstract":"The ecumene defines a beyond-border space of strong cultural encounters, flows, and merging, grounded within the traditions of world-systems, globalization, transnationalism, and cosmopolitanism discourses. Furthermore, the ecumene links directly with international regions as core political platforms in the making. As such, there are several ecumenes on the forefront, as evidenced by the literature, which can be clustered into ideal types. Epistemologically, it is a relevant concept and tool for a science-of-the-future that focuses on conviviality and transformation for the yet-to-come. Analytically, the ecumene has a descriptive, normative, and critical dimension, and can be empirically accessed through operational concepts such as triggers, hubs, and types of beyond-border conviviality. To apply the ecumene as a research program means to detect convivial common-sense spaces within the global context.","PeriodicalId":504869,"journal":{"name":"Encyclopedia","volume":"113 45","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140986979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-03-22DOI: 10.3390/encyclopedia4020039
Philippe Velha
Integrated Fabry–Perot cavities (IFPCs), often referred to as nanobeams due to their form factor and size, have profoundly modified the landscape of integrated photonics as a new building block for classical and quantum engineering. In this entry, the main properties of IFPCs will be summarized from the classical and quantum point of view. The classical will provide some of the main results obtained in the last decade, whereas the quantum point of view will explore cavity quantum electrodynamics (CQED), which promises to revolutionize the future “quantum internet”.
{"title":"Integrated Fabry–Perot Cavities: A Quantum Leap in Technology","authors":"Philippe Velha","doi":"10.3390/encyclopedia4020039","DOIUrl":"https://doi.org/10.3390/encyclopedia4020039","url":null,"abstract":"Integrated Fabry–Perot cavities (IFPCs), often referred to as nanobeams due to their form factor and size, have profoundly modified the landscape of integrated photonics as a new building block for classical and quantum engineering. In this entry, the main properties of IFPCs will be summarized from the classical and quantum point of view. The classical will provide some of the main results obtained in the last decade, whereas the quantum point of view will explore cavity quantum electrodynamics (CQED), which promises to revolutionize the future “quantum internet”.","PeriodicalId":504869,"journal":{"name":"Encyclopedia","volume":" 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140220418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-03-19DOI: 10.3390/encyclopedia4010037
Lucas Filice, W. J. Weese
Daniel Goleman perceptively and accurately noted that emotional intelligence is critical to leadership success, claiming that emotional intelligence is far more important to leadership emergence and effectiveness than intellectual capacity. Goleman’s research later confirmed an 85% relationship between emotional intelligence and leader effectiveness. It may be the most critical area for current and aspiring leaders to develop. While leadership scholars accept the importance of emotional intelligence for leadership and the fact that emotional intelligence can be developed, there appears to be some uncertainty around how emotional intelligence can be developed. The authors shed light on that area and provide current and aspiring leaders with some proven strategies for developing the four predominant components of emotional intelligence. The importance of emotional intelligence to leadership is well documented, and leaders would be well served by working to heighten their levels of emotional intelligence and, in doing so, increase their leadership potential, efficacy, and impact.
{"title":"Developing Emotional Intelligence","authors":"Lucas Filice, W. J. Weese","doi":"10.3390/encyclopedia4010037","DOIUrl":"https://doi.org/10.3390/encyclopedia4010037","url":null,"abstract":"Daniel Goleman perceptively and accurately noted that emotional intelligence is critical to leadership success, claiming that emotional intelligence is far more important to leadership emergence and effectiveness than intellectual capacity. Goleman’s research later confirmed an 85% relationship between emotional intelligence and leader effectiveness. It may be the most critical area for current and aspiring leaders to develop. While leadership scholars accept the importance of emotional intelligence for leadership and the fact that emotional intelligence can be developed, there appears to be some uncertainty around how emotional intelligence can be developed. The authors shed light on that area and provide current and aspiring leaders with some proven strategies for developing the four predominant components of emotional intelligence. The importance of emotional intelligence to leadership is well documented, and leaders would be well served by working to heighten their levels of emotional intelligence and, in doing so, increase their leadership potential, efficacy, and impact.","PeriodicalId":504869,"journal":{"name":"Encyclopedia","volume":"30 5‐6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140228134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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