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177 documents, page 1 of 18

Bus Prioritisation in Motorcycle Dependent Cities (MDCs)

Nguyen, Van Nam (2013)
In many cities of developing countries, buses are the backbone of public transport. However, most of them are operating in mixed traffic conditions without priority measures and with a number of problems at bus stops, on travel ways, and at traffic signals. Illustrative examples for this situation are motorcycle dependent cities (MDCs) such as Hanoi and Ho Chi Minh City. A lack of bus prioritisation for many years is one of the main causes leading to the poor quality of bus services and the r...

Sustainable Transformations of Water Supply Regimes. The Cuvelai-Etosha Basin in Central Northern Namibia.

Zimmermann, Martin (2013)
In this thesis, an interdisciplinary modelling approach for water resources management and its application is presented that is able to deal with socio-technical systems that are characterised by a multiplicity of variables, interdependencies, and actors. The case study area is the Cuvelai-Etosha Basin, which is located in central northern Namibia. Approximately 850,000 people or 40 % of the Namibian population live in this area, which comprises only about 14 % of the country’s area. The regi...

Anwendung und Potenziale von Abwasserteichsystemen im internationalen Kontext

Fuhrmann, Tim (2014)
Abwasserteiche sind ein seit langem und weltweit in der Abwasserreinigung etabliertes Verfahren. Unter anderem in Entwicklungs- und Schwellenländern stellen Teichanlagen einen großen Anteil aller Abwasserreinigungsanlagen dar. Hier sind Abwasserteiche insbesondere abseits der städtischen Ballungszentren, wo große Flächen vorhanden aber die Energieversorgung unsicher ist, wegen der vergleichsweise geringen Anforderungen an den laufenden Betrieb oftmals die sinnvollste Möglichkeit für eine nach...

Behavior Control for Single and Multiple Autonomous Agents Based on Hierarchical Finite State Machines

Risler, Max (2010)
Complex behaviors for cooperative multi-agent applications pose a challenging task in highly dynamic environments as they are encountered in many real-world applications. Efficient methods are required for programming agent behaviors that are able to cope with necessary real-time requirements, only partial or noisy observability of the environment, and the unpredictability of dynamic environments. The goal of this work is to develop a behavior control architecture for autonomous agents in ord...

Flashback investigations in a premixed swirl burner by high-speed laser imaging

Heeger, Christof (2012)
In this thesis flame flashback in a lean premixed swirl burner with central bluff-body was investigated using high speed multi-parameter laser imaging diagnostics. Starting with the fundamentals, the theoretical background of fluid dynamics was presented. This included turbulence, swirl and flows in boundary layers. Regarding the involved chemistry, the oxidation of methane was detailed and six mechanisms of nitric oxides formation together with reduction strategies were pictured. Lean premix...

Immobilien- und Unternehmensbewertung im Erbschaft- und Schenkungsteuerrecht nach der Erbschaftsteuerreform 2009

Kreckel, Tobias; Janke, Robert (2009)
Die Ermittlung der Marktwerte von Unternehmen und Grundstücken ist mit zahllosen Unsicherheiten behaftet. Wie schwierig es ist, Verkehrswerte zu bestimmen, offenbarte sich zuletzt in der in den Ausläufern der Finanzmarktkrise heftig diskutierten Rolle der Fair Value Bewertung. Gleichwohl war der Gesetzgeber für die Erbschaftsteuerreform 2009 auf das Ziel der Verkehrswertermittlung festgelegt. Das Bundesverfassungsgericht hat in seiner Entscheidung vom 7.11.2008 die Unvereinbarkeit zentraler B...

Festschrift 25 Jahre Fachgebiet Maschinenelemente und Mechanik, Technische Hochschule Darmstadt

Böhme, Helmut; Kollmann, F. G.; Schatz, Frank-H.; Zang, Rupert; Raab, Walter; Größer, Horst; Renneisen, Armin; Dörsam, Edgar (1991)
Festschrift 25 Jahre Fachgebiet Maschinenelemente und Mechanik, Technische Hochschule Darmstadt Leiter Prof. Dr.-Ing. Walter Raab. Kolloquium am 13. September 1991, Darmstadt

Cyclic Mutually Unbiased Bases and Quantum Public-Key Encryption

Seyfarth, Ulrich (2013)
Based on quantum physical phenomena, quantum information theory has a potential which goes beyond the classical conditions. Equipped with the resource of complementary information as an intrinsic property it offers many new perspectives. The field of quantum key distribution, which enables the ability to implement unconditional security, profits directly from this resource. To measure the state of quantum systems itself for different purposes in quantum information theory, which may be relate...

Fusion Cities - consolidation of movement

Sieber, Jula-Kim (2009)
Urban, social, cultural analysis of fusion cities, two bordering cities growing together, with different types of borders: natural, artificial, political, and social. The work is displayed in maps and visual language. BRAKIN_natural : Brazzaville and Kinshasa by Humerto Sarabio and Marion Bouchard SAN JUANA_artificial : San Diego and Tijuana by Julio Obregon Zepeda and Anne Touchet JERUSALEM_political : East and West Jerusalem by Slobodan Subotić and Petko Gogov FAVEMINIO_social : Favela and ...

Automorphic Products on Unitary Groups

Hofmann, Eric F. W. (2011)
The dissertation provides a construction for Borcherds products on unitary groups of signature (1,q). The starting point for this is the multiplicative lifting due to R. E. Borcherds. He employs the singular theta-correspondence to construct a lifting, which takes as inputs weakly holomorphic vector valued modular forms, transforming under the Weil-representation of SL(2,Z) for a quadratic lattice, and lifts these to meromorphic automorphic forms for an arithmetic subgroup of O(2,n). The resu...