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Dissertation
Kann Selbsthilfe-Wohnungsbau sozial sein?
(LIT-VerlagArchimed Verlag, 2021)
Wohnungen des gewerblichen Sektors sind in den Ländern Lateinamerikas für die Mehrheit der Bevölkerung nicht erschwinglich, während die staatlich geförderten Wohnungen in der Regel nur einen geringen Bruchteil des Bedarfs abdecken. Deswegen wird die Mehrheit aller Wohnungen in Selbsthilfe erstellt. Von vielen Wissenschaftlern wird der faktische Zwang zum Selbstbau als doppelte Ausbeutung marktwirtschaftlich organisierter Ökonomien kritisiert, da der Erlös der seitens der Bevölkerung produzierten Güter bzw. erbrachten ...
Dissertation
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Power Series Representations of Hypergeometric Type and Non-Holonomic Functions in Computer Algebra
(2020-06-10)
A Laurent-Puiseux series
$$ \sum\limits_{n = n_0}^{\infty }{a_n (z - z_0)^{n/k} (a_n \in K, k \in ℕ, n_0 \in ℤ ) } \quad (1) $$
where $ k $ denotes the corresponding Puiseux number and $ K $ an infinite computable field - mostly $ K= ℚ(α_1,\ldots,α_n) $ : a field of rational functions in several variables, is mainly characterized by the general coefficient. We consider the case where an is a term of an m-fold hypergeometric sequence.
That is $ a_{n+m} = r(n) a_n $ for all sufficiently large integers $ n, r(n) $ ...
Dissertation
Bestimmung der mittleren Clustergröße und ortsspezifischen Zustände homogener Edelgascluster mittels Fluoreszenzspektroskopie
(2021)
Der Übergang von mikroskopischen zu makroskopischen Systemen ist in den Naturwissenschaften von grundlegendem Interesse, da im zugehörigen Übergangsbereich größenabhängige Entwicklungen physikalischer Eigenschaften sowie auch gänzlich neue Prozesse auftreten. Edelgascluster ermöglichen einen experimentellen Zugang zur Untersuchung dieses Zwischenbereichs.
Die durch Van-der-Waals-Kräfte gebundenen inerten Edelgasatome fungieren als Prototypsysteme zur Untersuchung derartiger fundamentaler Prozesse. Sie werden mittels ...
Dissertation
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Long-term voltage stability of electric power systems hosting inverter-interfaced energy sources
(2021)
The study of power system dynamics refers to the motion of electro-mechanical and electro-magnetic quantities such as voltages, currents, rotational speeds, angles and powers under the action of forces caused by system disturbances. For decades, such dynamics have been extensively dominated by large Synchronous Generators (SGs). Not a surprising statement, considering that the power systems that we know today were built based on the SG concept since the closing decades of the 19th century. It all began in 1891, when ...
Working paper
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Determinants and Forecasting of Female Labour Force Participation Rate in India: Testing of Feminization U hypothesis
(kassel university press, 2020-06)
Greater involvement of women within the labour force has economic and social impact. The Female Labour Force Participation Rate (FLFPR) for India remains appallingly low at around 27%, while the male labour force participation rate has been 79.9%. In India, during 1990–2016, the FLFPR (% of female population age 15+) showed a declining trend.
In this paper, the determinants of FLFPR for India have been estimated using regression analysis for the time period 1990–2016. Data on all the relevant variables have been ...
Working paper
The Political-Administrative Elite of the FRG from 1949 to 2017
(2021)
This data report on the political and administrative elité in Germany (West Germany/FRG) is part of the research project "New Elites – Established Personnel? (Dis-) Continuities of German Ministries in System Transformations" at the Chair of Public Management at the University of Kassel. The presentation of the results is divided into the sections social structure, education, career, political activity and and references to political systems. The data report contains frequency analyses of selected variables described ...
Aufsatz
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Finding alternatives: Canadian attitudes towards novel foods in support of sustainable agriculture
(2021-09-29)
Global agriculture and farming practices account for roughly a quarter of total atmospheric emissions. Protein agricultural is especially prone to green-house gas emissions. There is a need to find alternatives, both in the form of protein and sustainable practices in providing alternative protein sources. However, sustainable agricultural practices must consider consumer behaviour and attitude towards switching protein sources. In this study, we carried out a survey of 993 Canadians in order to better understand the ...
Aufsatz
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Additive Manufacturing of Compositionally-Graded AISI 316L to CoCrMo Structures by Directed Energy Deposition
(2021-08-30)
In the present study, compositionally-graded structures of AISI 316L and CoCrMo alloy are manufactured by powder-based laser-beam directed energy deposition (DED-LB). Through a process-integrated adjustment of powder flow, in situ alloying of the two materials becomes feasible. Thus, a sharp and a smooth transition with a mixture of both alloys can be realized. In order to investigate the phase formation during in situ alloying, a simulation approach considering equilibrium calculations is employed. The findings ...
Zeitschrift
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Vol. 9 No. 4 (2021)
(Specialized Partnerships in Sustainable Food Systems and Food Sovereignty, Faculty of Organic Agricultural Sciences, the University of Kassel, Germany and the Federation of German Scientists (VDW), 2021-11)
Dissertation
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Organizational resilience
(2020)
Typical terms in organizational resilience definitions are maintenance of positive adjustment or bouncing back. They are very vague and need further specification if they are to be understood. At the beginning of my dissertation in 2016 there were hardly any comprehensive conceptual articles and review papers. Now, in 2020, there are some good conceptual articles (Darkow, 2019; Duchek, 2019; Linnenluecke, 2017; Williams et al., 2017) yet few empirical studies (van der Vegt, Essens, Wahlstrom, & Georg, 2015), which ...