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Remote sensing and change detection in rangelands
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AnthonyR. Palmer Alex FortescueDuring the 20 th century, we have witnessed an improvement in the quality of imagery available for rangeland auditing, from the earliest mono-chromatic aerial photographs, followed by the first infra-red images, to the abundance of high resolution, multi-spectral imagery currently... -
Combining Leadership Theory with a Psychodynamic Perspective to Explain the Functioning of a Management Team
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: René van Eeden --- University of South Africa,This article illustrates how the processes and dynamics in a management team at a South African organization reflect the leadership and personality profiles of the members of the team. Participants were the 12-member management team (including the general manager). The... -
Interior Operators in General Categories
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: S.J.Roelof VorsterSince the introduction of closure operators in topology (Riesz [1909], Kuratowski [1922] and others) many authors have defined and studied closure operators in other branches of mathematics (e.g. Birkhoff [1937] in Algebra and Birkhoff [1940] in Lattice Theory) and in... -
A Characterization of the Prime Closed Filter Compactification of a Topological Space
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: H.L. Bentley H. HerrlichThe prime compactification whose points are the prime closed filters can be defined for a general topological space and is naturally functorial. We derive several properties of this compactification and present a characterization. -
Approximate Symmetries of the Boussinesq Equation
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: V.A. Baikov S.A. KordyukovaIn this paper we show that all exact symmetries of the linear wave equation are inherited by the Boussinesq type equation with a small parameter as approximate symmetries in any order of precision. We find an approximate integraldifferential transformation of... -
Representation of slim algebraic regular cozero maps
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: A. Karimi FeizabadiIn this paper a new tool, the cozero maps, is introduced to study algebraic structures in pointfree topology, which generalizes cozero elements and the cozero part of a frame. The slim regular algebraic cozero maps are represented. We proved that... -
OPTIMAL SYSTEMS OF SYMMETRY SUBALGEBRAS FOR BIG MODELS OF GASDYNAMICS
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: S. V. Khabirov --- Institute for Symmetry Analysis and Mathematical Modelling, University of North-West, Mmabatho, South Africa,The gasdynamics equations admit 11 dimensional Lie algebra of transformations for the abitrary state equations. For special state equations the algebra may be expanded. There are 13 special state equations for which the gasdynamics equations are named big models. Some... -
Semigroups of transformations with fixed sets
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Preeyanuch Honyam --- Department of Mathematics, Faculty of Science, Thailand Jintana Sanwong --- Department of Mathematics, Faculty of Science, ThailandLet T (X) denote the semigroup (under composition) of transformations from X into itself. For a fixed subset Y of X, let Fix(X, Y) be the set of all self-maps on X which fix all elements in Y. Then Fix(X,... -
Studies of Growth and Stand Structure in Plantations of Pinus patula
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Y. de Villiers --- , A. van Laar --- Faculty of Forestry,Mensurational data collected for management inventories were used to obtain estimates for the parameters of equations with age, and in other cases with age, stand density and site index as predictor-variables, growth and stand structure characteristics as dependent variables. The... -
Commercial Fishing Rights Allocation in Post-apartheid South Africa: Reconciling Equity and Stability
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: H. Kleinschmidt W. H. H. Sauer P. BritzThe fundamental policy and regulatory framework for a post-apartheid dispensation to manage commercial fisheries in South Africa was put in place with the publication of the White Paper on Marine Fisheries Policy in 1997, and the enactment of the Marine... -
Public-private partnerships as a strategy against HIV/AIDS in South Africa: the influence of historical legacies
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Viviane Brunne --- , Switzerland 1In the face of the extreme challenges posed by the South African HIV/AIDS epidemic, collaboration between public and private partners is often called for in an attempt to mobilise additional resources and generate synergies. This paper shows that the ability... -
Small mammal diversity and density on the Bokkeveld escarpment, South Africa – implications for conservation and livestock predation
Item type: Journal Article • Journal: African Zoology • Authors: P. J. O‘Farrell --- Botany Department, South Africa J. S. Donaldson --- South African National Biodiversity Institute, South Africa M. T. Hoffman --- Botany Department, South Africa A. D. Mader --- South African National Biodiversity Institute, South AfricaA preliminary investigation of the diversity and density of small mammals in four structurally distinct habitat types in an actively-utilized farming landscape was carried out. We sought to understand how diversity and density are influenced by landscape structure, habitat structure... -
The impact of transactional versus transformational leadership on job satisfaction in the hotel industry
Item type: Journal Article • Journal: • Authors: Irene Spitzbart --- Stenden Hotel Management School, Leeuwarden, The NetherlandsThis study examines the impact of transactional versus transformational leadership on job satisfaction. Data was collected through a 69-item questionnaire for employees and a 70-item questionnaire for leaders to investigate their perceptions of their own leadership style and those of... -
Reproducing criticality: South African social-cultural anthropology's contemporary challenge—the UCT experience
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Andrew D. Spiegel --- Department of Social Anthropology,For many who were drawn to the discipline during South Africa's apartheid years, social anthropology offered a means for a cohort of primarily middle class persons to crystallise an otherwise inchoate criticality about the regime, in large part by providing... -
Shoveling sand or changing the nation?: transformation activism in Cape Town
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Catherine Besteman --- Department of Anthropology, -
Ocean, time and value: speaking about the sea in Kassiesbaai
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Marieke van Zyl --- Department of Social Anthropology,This article looks at the manner in which different parties engage with the issue of fishing rights on the inter-personal and public levels over the issue of fishing rights allocation in South Africa. Taking the historic fishing village of Kassiesbaai... -
Transformation as social drama: Stories about merging at North West University, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: F.H. Kamsteeg --- VU University Amsterdam, The NetherlandsSouth African higher education is going through a transitional phase of transformation in which existing cultures and identities are strongly contested. The ambiguity and insecurity that come along with such a process are demonstrated in this article through presentation of... -
Stereotypical attitudes amongst black students at a rural historically black South African university
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Cebile Mensele --- Industrial and Organisational Psychology, South Africa Kathryn Nel --- Department of Psychology, South Africa Elzabé C. Nel --- Industrial and Organisational Psychology, South Africa Larisa A Louw --- Industrial and Organisational Psychology, South AfricaThis study investigated stereotypical attitudes towards race amongst Black students (N=274) attending a historically Black South African university (females=62%; mean age of 22.15 years; SD=3.00 years). Data on group stereotyping by race were collected using a semi-structured questionnaire. The data... -
Large loop excision of the transformation zone (LLETZ): a pathology evaluation in the Limpopo province, South Africa
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: L J Van Bogaert --- Department of Anatomical Pathology,Objective: To evaluate the cytological and histopathological concordance in large loop excision of the transformation zone (LLETZ) specimens, and the outcomes according to the characteristics of the excision margins. -
Strengthening Capacity for Agribusiness Development and Management in Sub-Saharan Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Suresh Chandra Babu --- Capacity Strengthening Program, USA Rupak Manvatkar --- World Food Programme, Italy Shashidhara Kolavalli --- Ghana Strategy Support Program, GhanaIn sub-Saharan Africa, agribusiness has a major role to play in the transformation of the agricultural sector. The demand for high-value food products is increasing, creating an opportunity for the production and export of these goods. To capture the benefits... -
Destructive and Transformational Leadership in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Manfred F. R. Kets de Vries --- INSEAD, France Jennifer C. Sexton --- College of Business and Economics, USA B. Parker Ellen --- D’Amore-McKim School of Business, USAThe continent of Africa presents a unique context of study for leadership scholars. A vast expanse of land encompassing over 50 countries, territories, and states with over 1.1 billion people, Africa’s diversity of ethnicities, cultures, and languages are both sources... -
The influence of transformational leadership on organisational citizenship behaviour in a South African combat military unit
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Oscar Sechudi --- South African Army, South Africa Benny Olivier --- Department of Industrial and Organisational Psychology, South AfricaThis study investigated perceived individual transformational leadership (TL) to influence behaviours on follower organisational citizenship behaviour (OCB) in a South African combat military unit. A sample of 300 of 567 military followers (males = 78%; black Africans = 82%) completed... -
The impact of transactional versus transformational leadership on job satisfaction in the hotel industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Irene Spitzbart --- Stenden Hotel Management School, The NetherlandsThis study examines the impact of transactional versus transformational leadership on job satisfaction. Data was collected through a 69-item questionnaire for employees and a 70-item questionnaire for leaders to investigate their perceptions of their own leadership style and those of... -
Becoming and unbecoming farm workers in Southern Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Maxim Bolt --- Department of African Studies and Anthropology, United KingdomMore than most forms of employment in Southern Africa, farm work seems to evoke the past. Recent events, however, have foregrounded global integration and cost-cutting casualisation as much as plantation-style racialised hierarchies. Legacies of farmer paternalism, themselves shaped by workers’... -
A productivity model for first thinning of Pinus patula using a tractor and double-drum winch in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Thabo Moloi --- Forest Postgraduate Programme, South Africa Michal Brink --- Forest Postgraduate Programme, South Africa Paxie W Chirwa --- Forest Postgraduate Programme, South Africa Elisha Ngulube --- Department of Forestry, MalawiThe productivity of skidding tractors in intermediate harvesting operations has not been determined in Mpumalanga, South Africa. The objective of this study was to develop a productivity model using a farm tractor in first thinning operations in Pinus patula compartments... -
An overview of pedogenesis in Technosols in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Angelique Daniell --- Unit for Environmental Science and Management, South Africa Pieter W van Deventer --- Unit for Environmental Science and Management, South AfricaTechnosols are soils dominant in technical artifacts, formed from anthropogenic deposits or transported materials. While anthropogenic in origin, it is clear that pedogenic processes are active within Technosols, i.e. transformation and translocation of elements, minerals and particles within these materials... -
Using deliberative foresight to envision a neo-carbon energy innovation ecosystem – a case study of Kenya
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Joni Karjalainen --- Finland Futures Research Centre (FFRC), Finland Sirkka Heinonen --- Finland Futures Research Centre (FFRC), FinlandForesight is a pragmatic futures studies approach as structured debate about future-related topics. Deliberative foresight addresses stakeholders affected by specific futures. This paper goes beyond a low-carbon strategy to present the potential of futures based on renewable energy. In the... -
Transformational leadership, diversity climate, and job satisfaction in selected South African companies
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sean McCallaghan --- NWU Business School, South Africa Leon T. B. Jackson --- NWU Business School, WorkWell Research Unit, South Africa Marita M Heyns --- Optentia Focus Area, South AfricaThis study investigated the relationship between transformational leadership, diversity climate, and job satisfaction in a selection of South African companies. Participants were a convenience sample of 263 employees from the Gauteng Province (white = 69.3%). They completed measures for transformational leadership, diversity... -
Agulhas long-billed lark (Certhilauda brevirostris) densities, population estimates and habitat association in a transformed landscape
Item type: Journal Article • Journal: African Zoology • Authors: Celeste de Kock --- Department of Continuing Education, United Kingdom Alan TK Lee --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South AfricaThe effects of agricultural landscape transformation and subsequent habitat associations have been little studied for the Agulhas long-billed lark (Certhilauda brevirostris), a regionally threatened species in the Overberg, Western Cape, South Africa. Point count surveys were conducted throughout the Overberg... -
Transformational and transactional leadership effects on communication styles
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: El-Roy Crews --- School of Industrial Psychology and Human Resource Management, South Africa Marissa Brouwers --- School of Industrial Psychology and Human Resource Management, South Africa Jan C. Visagie --- School of Industrial Psychology and Human Resource Management, South AfricaThis study aimed to investigate the effects of perceived transformational and transactional leadership styles on communication styles among employees in manufacturing organisations within South Africa. Respondents were a purposive sample of 564 employees of South African manufacturing organisations (females =... -
Transformational leadership and management safety practices: Their role in the relationship between work pressure and compliance with safety work behaviour in a health-care sector industry
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Fabian O. Ugwu --- Department of Psychology, Nigeria Adeline N. Idike --- Department of Political Science, Nigeria Okechukwu E. Ibiam --- Department of Political Science, Nigeria Francis A. Akwara --- Department of Political Science, Nigeria Cornelius O. Okorie --- Department of Political Science, NigeriaThis study examined both the direct and interactive effects on employee compliance to safety work behaviour of perceived work pressure, transformational leadership behaviour, and organisation management safety practices. Study participants were 208 nurses from public hospitals in South-eastern, Nigeria. The... -
Transformational leadership and core self-evaluation: The roles of psychological well-being and supervisor-subordinate guanxi
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: He Ding --- , China Enhai Yu --- , China Yanbin Li --- , ChinaCore self-evaluation (CSE) is malleable. However, little is known about leadership qualities for facilitating CSE. This study investigated the mediating role of psychological well-being (PWB) on the relationship between transformational leadership and CSE with supervisor-subordinate guanxi (SSG) or non-work social... -
Trends in populations of Blue Crane Anthropoides paradiseus in agricultural landscapes of Western Cape, South Africa, as measured by road counts
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Donella J Young --- , South Africa James A Harrison --- , South AfricaPopulation trends of the Blue Crane Anthropoides paradiseus were monitored by volunteers participating in Coordinated Avifaunal Roadcounts (CAR) in the Overberg and Swartland agricultural regions of the Western Cape province from 1993 and 1996, respectively, until 2019 in the Overberg... -
Re-imagining and transforming events: Insights from the Australian events industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Effie Steriopoulos --- , Australia Jeff Wrathall --- , AustraliaOver the past year, COVID-19 has hit the events industry with unprecedented force, resulting in event cancellations, reduced employment and salary cuts, with most event organisations moving either partially or fully to virtual events. Most challenging is the uncertainty in... -
Analysis of farmers’ food price volatility and Nigeria’s growth enhancement support scheme
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Joseph I. Uduji --- , Nigeria Elda Nduka Okolo-Obasi --- , Nigeria Simplice Anutechia Asongu --- , CameroonFood prices in Nigeria have become significantly higher and more volatile since 2012. The purpose of this research was to find out what affects farmers’ participation in the growth enhancement support scheme (GESS) in the country. We determined the effect... -
Network Novel: Ngũgĩ wa Thiongo’s Wizard of the Crow and Dialogues in African Literature
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Charles Kipng’eno Rono --- , KenyaThis essay reads Ngũgĩ wa Thiongo’s Wizard of the Crow (2006) as an intervention in the ongoing dialogues in African literature. Through the paradigms of ‘reciprocality’, ‘extensibility’ and ‘reconfigurability’, the essay gauges the impacts of dialoguing on the readings of... -
Smart specialisation strategies in sub-Saharan Africa: Opportunities, challenges and initial mapping for Côte d’Ivoire
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mafini Dosso --- , Spain Alexander Kleibrink --- , Spain Monika Matusiak --- , SpainThis paper calls for a better integration of place-based, evidence-based and inclusive dimensions in the implementation of the Science, Technology and Innovation (STI) plans and industrial policies in sub-Saharan Africa. To this end, the analysis contrasts with and takes inspiration... -
Could transformational leadership predict employee voice behaviour? Evidence from a meta-analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Guolong Zhao --- , China Yuxiang Luan --- , ChinaEmployee voice behaviour is a crucial form of social capital for business organisations. This meta-analysis aimed to clarify the relationship between transformational leadership and voice behaviour. A meta-analysis of 44 correlations (n = 14 473) was conducted to evaluate the overall association,... -
Blockchain for agricultural sector: The case of South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Roberto Mavilia --- , Italy Roberta Pisani --- , ItalyNew technologies are playing a fundamental role in the postmodern era of globalization where interpersonal interactions at the international level and the exchange of goods, services, information and capital are the basis of all activities. The agriculture sector is constantly... -
Perceived organisational reputation and work engagement among Nigerian bank employees: The mediating role of transformational leadership style
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gabriel C. Kanu --- , Nigeria Anene M. Ezeh --- , Nigeria Ikechukwu V. N. Ujoatuonu --- , Nigeria Sampson O. Elom --- , Nigeria Lawrence E. Ugwu --- , NigeriaThis study aimed to examine the relationship between employee perceptions of their organisational reputation and employee work engagement, and the role of transformational leadership style in that relationship. The study sample comprised 183 employees of Nigerian banks (female = 52.5%; managers = 9.8%; mean... -
Negotiating Cultural Transformation in the Performance Practice of Narratives in Kenya
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Nancy Abigael Masasabi --- , KenyaCulture is never static but continues to change. The narrative is one of the prosaic performances in cultures with an oral tradition. Such prosaic performances are culture bearers and signifiers. Change in societal setup has affected the contexts within which... -
Disrupted dining: decline of the premium food services segment in India due to the COVID-19 pandemic
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Kishore Thomas John --- Indian Institute of Technology, India Rejikumar Gopalakrishnan --- , IndiaThis review article analyses the premium “fine dining” segment of the Indian food services sector, examining trends during the COVID-19 pandemic. Specifically, we discuss the challenges encountered and initiatives taken in response to the global coronavirus outbreak. Using secondary data... -
Flow alterations and nutrient loading reduce primary producer variability in a temporarily closed microtidal estuary in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Monique Nunes --- , South Africa Daniel A Lemley --- , South Africa Janine B Adams --- , South AfricaPrimary producer responses to cumulative regulating factors were investigated in a temporarily closed microtidal estuary. We hypothesised that the phytoplankton chlorophyll-a concentration (Chl a) and invasive alien aquatic plant (IAAP) abundance would be highest during the low-flow season and that... -
A Big Data strategy to reinforce self-sustainability for pharmaceutical companies in the digital transformation era: A case study of Egyptian pharmaceutical companies
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mahmoud Elsayed Hassanin --- Ahram Canadian University, Egypt Mohamed Ahmed Hamada --- International IT University, KazakhstanThe Big Data-driven economy has emerged, and data is known as the new petroleum of the current century. Big Data (BD) analytics can play an essential role in building a self-sustainable competitive advantage for the pharmaceutical industry by feeding pharmaceutical... -
Researching to make a difference: Possibilities for social science research in the age of AIDS
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Naydene de Lange [d99e14]HIV and AIDS is recognized as one of the most devastating pandemics of sub-Saharan Africa, and South Africa in particular, with adverse effect on individuals, families, schools, communities and society at large. Research is therefore required to provide a deeper... -
Leadership styles and employees’ commitment toward the national digital payment strategy: Multilevel mediating role of job satisfaction
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mekuanint Abera Timbula --- Gujarat University, India Chetana Marvadi --- Gujarat University, IndiaThis study examined the effect of leadership styles on employees' organizational commitment towards the National Digital Payments Strategy (NDPS) and the mediating role of job satisfaction. A self-administered questionnaire was employed to obtain survey data from twelve microfinance institutions in... -
E-government’s role in enhancing foreign direct investment to sub-Saharan African countries: An application of system GMM
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Getahun Tolossa Adugna --- School of Economics, College of Business and Economics, University of Gondar, Ethiopia Wondemhunegn Ezezew Melesse --- School of Economics, College of Business and Economics, University of Gondar, Ethiopia Yinges Alemu Muche --- School of Economics, College of Business and Economics, University of Gondar, EthiopiaIn recent years, the provision of government services through electronic platforms has significantly increased due to the rapid development of digital technologies. The significant shift in digital governance is expected to have an effect on key macroeconomic variables through its... -
Burrow site selection in the Sungazer (Smaug giganteus): a threatened South African endemic lizard
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Wade K Stanton-Jones --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South Africa Daniel JD Natusch --- Macquarie University, Australia Graham J Alexander --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South AfricaElucidating factors that drive microhabitat selection in a species is important for informing the conservation management of the species. For species that use microhabitats as long-term refuge sites, selection pressures are likely to be strong because the microhabitat must fulfil... -
Almost Yamabe solitons satisfying certain conditions on the associated vector field
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Rahul Poddar --- Sri Sathya Sai Institute of Higher Learning, India Ramesh Sharma --- University of New Haven, USA S. Balasubramanian --- Sri Sathya Sai Institute of Higher Learning, IndiaWe study an almost Yamabe soliton (Mn , g, V, ρ) and obtain various conditions on V in terms of infinitesimal harmonic transformation, 2-Killing, and an inequality, to show that V is Killing. In addition, we have provided characterizations of... -
The effect of digital leadership on employees' radical creativity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jian Zhu --- Xiangtan University, China Yi Luo --- Xiangtan University, China Hui Wang --- Xiangtan University, ChinaDrawing on social information processing theory, this study examined the mediating role of perceived leader expectations (PLE) for creativity and perceived leader support (PLS) for creativity on the relationship between digital leadership (DL) and employees’ radical creativity (RC). A total... -
Some measure-theoretic aspects of fractal functions: invariant measures and function spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Megha Pandey --- , India Tanmoy Som --- , India Saurabh Verma --- , IndiaBarnsley (1986) introduced the concept of fractal interpolation functions (FIFs). Thereafter, numerous theories have been developed concerning FIFs and their properties. In this article, we explore some measure theoretic aspects of FIFs generated by the method given by Barnsley. We... -
On partial endomorphisms of a star graph
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ilinka Dimitrova --- South-West University “Neofit Rilski”, Bulgaria Vítor H. Fernandes --- Universidade Nova de Lisboa, Portugal Jörg Koppitz --- Institute of Mathematics and Informatics, BulgariaIn this paper we consider the monoids of all partial endomorphisms, of all partial weak endomorphisms, of all injective partial endomorphisms, of all partial strong endomorphisms and of all partial strong weak endomorphisms of a star graph with a finite... -
Threshold changes in the production potential of bush clumps along piosphere gradients in arid thicket mosaics
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Anton Schmidt --- Nelson Mandela University, South Africa Graham Kerley --- Nelson Mandela University, South Africa Munyaradzi Manjoro --- Sol Plaatje University, South AfricaVarious studies have noted threshold changes in vegetation composition and structure and soil physical and chemical properties in the Albany Thicket biome of South Africa. The aim of this study is to assess if these changes to the environment have... -
Subjective perception of economic policy uncertainty and ESG performance: Evidence from China
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Guangchen Li --- Beijing Wuzi University, China Bokun Hei --- Beijing Wuzi University, China Qianlong Ma --- Beijing Wuzi University, China Haijun Wang --- Beijing Wuzi University, ChinaThis paper explores the relationship between subjective perception of economic policy uncertainty (SPEPU) and ESG performance. We find that SPEPU could deteriorate ESG performance, especially corporate social performance and that this negative effect works through increasing financialization and weakening internal... -
The mediating role of transformational leadership in the relationship between institutional pressures and collaboration with commercialization of university research output: A pilot study
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Gregory Tweheyo --- Bustema University, Uganda Ernest Abaho --- Makerere University Business School, Uganda Anju M. Verma --- Texila American University, Guyana Ibrahim Musenze --- Bustema University, UgandaThe purpose of this study is to lay emphasis on Uganda’s universities in light of the examination of how institutional pressures and collaboration influence the commercialization of university research output with the mediating role of transformational leadership. Data were collected... -
Factor conditions and firm resources implications on location attractiveness: A critical assessment and application in shared services industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Anbalagi Andy --- Universiti Malaya, Malaysia Rajenthyran Ayavoo --- Universiti Malaya, Malaysia Aida Idris --- Universiti Malaya, MalaysiaThis paper presents an integrated analytical framework by critically synthesizing the Porter-Dunning Diamond and the Resource-Based View (RBV) to evaluate the attractiveness of locations for multinational enterprises (MNEs). The framework was applied to Malaysian shared services firms to explore the... -
Characterizations of *-Ricci-Bourguignon solitons and contact Ricci-Bourguignon almost solitons
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Sourav Nayak --- Indian Institute of Technology – Hyderabad, India Dhriti Sundar Patra --- Indian Institute of Technology – Hyderabad, India Hemangi Madhusudan Shah --- Harish-Chandra Research Institute, A CI of Homi Bhabha National Institute, IndiaIn this paper, we first study *-Ricci-Bourguignon solitons (in short, *-RB solitons) and find their geometric characterizations on Sasakian manifolds. We show that if a Sasakian metric g admits a non-trivial *-RB soliton, then it is -homothetically fixed null η-Einstein... -
Digital transformation and goodwill impairment
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Yan Zhao --- Beijing Wuzi University, China Honglin Liu --- Wuhan Textile University, China Libin Zhao --- Wuhan Textile University, China Wei Zhang --- Wuhan Textile University, ChinaWe utilise a sample M&A listed on the Chinese A-shares market between 2008 and 2021. Our focus is specifically on A-share listed companies that acted as acquiring firms. We conduct an empirical analysis to investigate how their digital transformation influences... -
Exploring the interplay of local language(s) and transformation to facilitate communication and change in (South) Africa
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Mogomme Alpheus Masoga --- University of the Free State, South Africa Allucia Lulu Shokane --- University of Zululand, South AfricaThis research explores local language(s) and transformation as key facilitators of a dynamic interplay between the power of communication and the capacity for change. It is argued that language serves as a multifaceted tool that not only conveys thoughts and...
