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Preprint
No Chaos in Dixon's System
(2020)
The so-called Dixon system is often cited as an example of a two-dimensional (continuous) dynamical system that exhibits chaotic behaviour, if its two parameters take their value in a certain domain. We provide first a rigorous proof that there is no chaos in Dixon's system. Then we perform a complete bifurcation analysis of the system showing that the parameter space can be decomposed into sixteen different regions in each of which the system exhibits qualitatively the same behaviour. In particular, we prove that ...
Teil eines Buches
Verletzbarkeit als menschliches Charakteristikum
(Beltz Juventa, 2020)
Wenn Menschen an ihrer Leistungsfähigkeit gemessen und somit auf die Funktionsfähigkeit ihrer Körper und Sinne reduziert werden, können hierauf stigmatisierende und diskriminierende individuelle Handlungsweisen bzw. gesellschaftliche Ausgrenzungspraktiken und -strukturen folgen. Dies lässt sich auch an der Klassifizierung von Behinderung durch den Vergleich mit einer als Normalität konstruierten Funktionsfähigkeit in der Internationalen Klassifikation von Funktionsfähigkeit, Behinderung und Gesundheit (ICF) der ...
Aufsatz
Living and Planning on the Edge: Unravelling Conflict and Claim-Making in Peri-Urban Lahore, Pakistan
(2021-05-25)
In Lahore, Pakistan’s second largest city, high population growth rates, decades of rural-urban migration, and rampant land and real-estate speculation have contributed to the rapid urbanization of peri-urban land and the engulfing of pre-existing rural settlements. Lahore’s spatial transformation goes hand in hand with an increasingly complex urban governance framework. Historically shaped by colonial planning institutions and decades of political instability as power alternated between military and civilian regimes, ...
Aufsatz
Gender differences in time-poverty among rural households in Southwest Nigeria
(2021-10-29)
This study seeks to assess gender inequality in and correlates of time poverty among 360 rural households in Southwest, Nigeria. A person is deemed to be time poor if (s)he works more than 10.5 hours per day, the internationally accepted threshold. Using the time allocation domain of the Abbreviated Women’s Empowerment in Agriculture Index, the study found that on the average, rural women and men spent about 10.3 hours and 8 hours, respectively, on work activities on a daily basis. Work activities for women were found ...
Working paper
Mercosur–EU Agreement: Impact on Agriculture, Environment, and Consumers
(kassel university press, 2020-05-06)
Aufsatz
Optimising beekeeping development programs for improved productivity, income and welfare: a case study of Papua New Guinea
(2020-10-19)
Beekeeping can provide important sources of cash income for farmers in developing countries where land is unconducive to crop and livestock production systems. In many low-income countries however, attrition among beekeeping adopters remains a chronic problem, colony losses are high, support for and coordination of the sector is low, and practices, production and income from beekeeping is often inefficient. This study investigated the key drivers and practices influencing incomes from beekeeping, honey production and ...
Aufsatz
Application of non-linear models in description of growth of dual purpose FUNAAB Alpha chickens
(2021-08-03)
Growth is explained mathematically by models that have parameters with biological interpretations. This study was conducted to compare five non-linear growth models (Gompertz, Brody, Logistics, Von Bertalanffy and Negative exponential) in order to describe growth in the three genotypes (normal feather, naked neck and frizzle feather) of the dual purpose FUNAAB Alpha chickens (n=332). Doesn’t Use Derivative iterative method of nonlinear procedure in SAS was used to estimate the model parameters. Computational difficultly, ...
Verschiedenartige Texte
References and appendix of "A review of inter-firm relationship quality in supply chains"
(2020)
In this document, we provide a list of references papers contained in our literature review-"A review of inter-firm relationship qality in supply chains" and a table of referenced papers for each analytic categories used for our evaluation of the papers selected for review.
Rezension
[Rezension zu:] Westphal, Manuela; Wansing, Gudrun (Hrsg.) (2019): Migration, Flucht und Behinderung. Herausforderungen für Politik, Bildung und psychosoziale Dienste Wiesbaden: VS. 326 S., € 29,99
(2021)
Manuela Westphal und Gudrun Wansing legen hier einen Folgeband zu „Behinderung und Migration“ (2014) vor, mit der eigenen Einschätzung, dass es sich um eine praxisnahe Fortsetzung handelt. Von einem gestiegenen fachlichen Interesse ist im Lichte der Fluchtzuwanderungen in den deutschsprachigen Raum seit 2015 auszugehen. Forschung und Praxisreflexionen an der Schnittstelle Behinderung/Flucht bleiben weiter hochaktuell und rar, weshalb der vorliegende Sammelband Anschlussfähigkeit an die Praxis verspricht. Er ist in ...
Konferenzveröffentlichung
A Conversational Agent to Improve Response Quality in Course Evaluations
(Association for Computing Machinery, 2020)
Recent advances in Natural Language Processing (NLP) bear the opportunity to design new forms of human-computer interaction with conversational interfaces. We hypothesize that these interfaces can interactively engage students to increase response quality of course evaluations in education compared to the common standard of web surveys. Past research indicates that web surveys come with disadvantages, such as poor response quality caused by inattention, survey fatigue or satisficing behavior. To test if conversational ...