Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 30 for “"Berge"”.
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Formalisierter Wilder Raum - Chinesische Berge und ihre Beschreibungen (shanzhi)
Die Arbeit setzt sich kritisch mit der Gattung von kulturgeographischer Literatur in China auseinander. Insbesondere werden jene Texte analysiert, die sich auf alpine Kulturlandschaften beziehen. Die Editionsgeschichte der Texte ist ein wichtiges Indiz fur die Mechanik der Auseinandersetzung mit …
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Ethnobotanische und biologische Untersuchungen der West-Usambara-Berge, Tansania, sowie phytochemisch-biologische Untersuchungen von Olinia rochetiana A. Juss., Oliniaceae
… von traditionellen Heilern in den West-Usambara-Bergen Tansanias verwendeten Heilpflanzen dokumentiert. Für eine quantitative Analyse wurden alle 2260 Nutzungsberichte zu 328 Taxa in 9 Indikationsgruppen eingeteilt. Die indigenen Anwendungen der wichtigsten Heilpflanzen, d.h. die innerhalb einer …
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Even-hole-free graphs
… It is also analogous to the decomposition of Berge (i.e. perfect) graphs with skew cutsets, 2-joins and their complements, by Chudnovsky, Robertson, Seymour and Thomas. In a graph that does not contain a 4-hole, a skew cutset reduces to a star cutset, and a 2-join in the complement implies a …
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Faster Even-Cycle Listing via Unbalanced Supersaturation
… μια γενική αναγωγή από την απαρίθμηση κύκλων Berge σταθερού μήκους \(\ell\) στην απαρίθμηση κύκλων μήκους \(2\ell\) σε απλά γραφήματα. Επιπλέον, δίνουμε μια άμεση αναγωγή μέσω του επισημασμένου \(2\)-σκειώδες γραφήματος για την απαρίθμηση όλων των κύκλων Berge μήκους \(\ell\) που περνούν από …
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Edge-colorings and flows in Class 2 graphs
… such as the Cycle Double Cover Conjecture, the Berge-Fulkerson Conjecture, the Petersen Coloring Conjecture and the Tutte's 5-flow Conjecture. We obtain some new restrictions on the structure of a possible minimum counterexample to the former two conjectures. We prove that the Petersen graph is, …
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Circuits, Perfect Matchings and Paths in Graphs
… the complement of two factor in cubic graph, the Berge-Fulkersen Conjecture was introduced right after SCDC Conjecture. In Chapter three, we shall present a series of conjectures related to perfect matching covering and point out their relationship.;In last chapter, we shall introduce the …
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The Design and Development of a Theory Driven Process for the Creation of Computer-Supported Collaborative Learning in an Online Environment
… in online education has been well documented (Berge, 1998; Brown, Collins & Duguid, 1989, Fulford & Zhang, 1993; Gunawardena & McIssac, 2003; Kanuka & Anderson, 1998; Kearsley & Schneiderman, 1999; Sardamalia & Bereiter, 1994). Teachers and instructional designers are struggling to change the …
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Three Essays On The Acquisition Of Information
… the above result. Invoking the Maximum Theorem (Berge, 1963), we show that the optimal expected gain attainable by the auctioneer becomes continuous and the set of optimal auctions is upper hemi-continuous in the set of the possible auctions.
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Barrier Graphs and Extremal Questions on Line, Ray, Segment, and Hyperplane Sensor Networks
… We show that barrier graphs are perfect (Berge) graphs and have a rigid neighborhood structure due to the rays' geometry.</p> <p>We introduce two extremal problems for networks in the plane made of line sensors, line segment sensors, or ray sensors, which informally ask how well it is …
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The Ecological and the ecoGothic in German Literature and Culture (1885-1930)
… the prehistoric in Alfred Döblin’s epic novel *Berge Meere und Giganten*.
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Perceptions on the Diffusion and Adoption of SkillSoft®, an e-learning program: A Case Study of a Military Organization
… The study augments previous findings by Berge, (1997) indicating that culture can be a barrier to the implementation of on-line learning. The findings illuminated that awareness of the organization’ s environment (culture, mission, organization structure, decision-making process, …
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Substance use in adolescents and young adults: Interactions of drugs of abuse and the role of parents and peers in early onset of substance use
Background: Misuse of substances is a major contributor to disability and mortality worldwide. The use of tobacco, alcohol, and illegal drugs in adolescence and young adulthood are well-known risk factors for subsequent substance-related harms. A better understanding of adolescent and young adult …
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Predatory behaviour of theraphosid spiders in northern Queensland
The predatory behaviours of three theraphosid spiders (Selenotypus plumipes, Selenocosmia stirlingi, and Phlogiellus sp.) from Northern Queensland, Australia, were studied using laboratory experiments and field observations. The project investigated how theraphosids detect the presence and location …
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In-situ Ammonia Removal Of Leachate From Bioreactor Landfills
A new and promising trend in solid waste management is to operate the landfill as a bioreactor. Bioreactor landfills are controlled systems in which moisture addition and/or air injection are used as enhancements to create a solid waste environment capable of actively degrading the biodegradable …
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A detailed study of the gamma-ray supernova remnant RX J1713.7-3946 with H.E.S.S.
The H.E.S.S. telescope system -- an array of four imaging atmospheric Cherenkov telescopes situated in Namibia -- aims at exploring non-thermal processes in the universe by means of very-high-energy (VHE) gamma rays. Its large field of view combined with unprecedented sensitivity enables detailed …
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Impact of Geomagnetically Induced Currents on Power Transformers
This thesis deals with the impact of Geomagnetically Induced Current (GIC) on power transformers in electrical power systems. A simulator to calculate the flows of GIC in an electrical power network, based on an assumed or measured induced geoelectric potential is proposed. This simulator includes …
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Assessing the relationships between pollinator-friendly plantings and birds, bats and white-tailed deer on farms in the Coastal Plain of Virginia and Maryland
Pollinator-friendly wildflower and native grass plantings are increasingly incentivized by state and federal agencies to improve ecosystem services provided by pollinating insects on farmland. However, the potential ecosystem service benefits, or even disservices, of pollinator-friendly plantings …
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