Dissertations / Theses on the topic 'Minimal subset'
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Barrus, Michael David. "A forbidden subgraph characterization problem and a minimal-element subset of universal graph classes /." Diss., CLICK HERE for online access, 2004. http://contentdm.lib.byu.edu/ETD/image/etd374.pdf.
Full textBarrus, Michael D. "A Forbidden Subgraph Characterization Problem and a Minimal-Element Subset of Universal Graph Classes." BYU ScholarsArchive, 2004. https://scholarsarchive.byu.edu/etd/125.
Full textPapacchini, Fabio. "Minimal model reasoning for modal logic." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/minimal-model-reasoning-for-modal-logic(dbfeb158-f719-4640-9cc9-92abd26bd83e).html.
Full textNicol, Janet L., Andrew Barss, and Jason E. Barker. "Minimal Interference from Possessor Phrases in the Production of Subject-Verb Agreement." FRONTIERS MEDIA SA, 2016. http://hdl.handle.net/10150/615107.
Full textBekkouche, Mohammed. "Combinaison des techniques de Bounded Model Checking et de programmation par contraintes pour l'aide à la localisation d'erreurs : exploration des capacités des CSP pour la localisation d'erreurs." Thesis, Nice, 2015. http://www.theses.fr/2015NICE4096/document.
Full textA model checker can produce a trace of counter-example for erroneous program, which is often difficult to exploit to locate errors in source code. In my thesis, we proposed an error localization algorithm from counter-examples, named LocFaults, combining approaches of Bounded Model-Checking (BMC) with constraint satisfaction problem (CSP). This algorithm analyzes the paths of CFG (Control Flow Graph) of the erroneous program to calculate the subsets of suspicious instructions to correct the program. Indeed, we generate a system of constraints for paths of control flow graph for which at most k conditional statements can be wrong. Then we calculate the MCSs (Minimal Correction Sets) of limited size on each of these paths. Removal of one of these sets of constraints gives a maximal satisfiable subset, in other words, a maximal subset of constraints satisfying the postcondition. To calculate the MCSs, we extend the generic algorithm proposed by Liffiton and Sakallah in order to deal with programs with numerical instructions more efficiently. This approach has been experimentally evaluated on a set of academic and realistic programs
Jonsson, Robin. "Optimal Linear Combinations of Portfolios Subject to Estimation Risk." Thesis, Mälardalens högskola, Akademin för utbildning, kultur och kommunikation, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-28524.
Full textTomaras, Panagiotis J. "Decomposition of general queueing network models : an investigation into the implementation of hierarchical decomposition schemes of general closed queueing network models using the principle of minimum relative entropy subject to fully decomposable constraints." Thesis, University of Bradford, 1989. http://hdl.handle.net/10454/4212.
Full textTran, Quoc Huy. "Robust parameter estimation in computer vision: geometric fitting and deformable registration." Thesis, 2014. http://hdl.handle.net/2440/86270.
Full textThesis (Ph.D.) -- University of Adelaide, School of Computer Science, 2014
Guestrin, Elias Daniel. "Remote, Non-contact Gaze Estimation with Minimal Subject Cooperation." Thesis, 2010. http://hdl.handle.net/1807/24349.
Full textOndreka, David. "Construction of minimal gauge invariant subsets of Feynman diagrams with loops in gauge theories." Phd thesis, 2005. http://tuprints.ulb.tu-darmstadt.de/569/1/diss_ondreka.pdf.
Full textOndreka, David [Verfasser]. "Construction of minimal gauge invariant subsets of Feynman diagrams with loops in gauge theories / von David Ondreka." 2005. http://d-nb.info/975446266/34.
Full textHsu, Shao-Jui, and 許劭睿. "Minimum weight topology optimization subject to displacement or frequency constraints." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/50590576612602386088.
Full text國立中興大學
機械工程學系所
98
Since 1988 BendsØe and Kikuchi [1] published the homogenization method to solve structural topology optimization problems, more and more researchers have used this method to generate initial shapes of structures. In this thesis, the objective function is defined as minimum weight subject to two types of constraints: one is the displacement and the other one is the natural frequency. The normalized density of each finite element is adopted as the design variable. Some formulas representing the relationship between Young’s modulus and the normalized density are used in the optimization process. The results are compared. A MATLAB program is written to use SQP optimizer to solve the optimization problems. While MSC/NASTRAN and MSC/PATRAN are used to do the pre- and post- processing. Because of the existence of uncertain elements, higher order elements or penalty function is employed to improve this drawback to make the structure clearer and recognizable. Compared with using minimum weight and minimum compliance as objective function, the biggest advantage of using minimum weight as the objective function is that there is no need to assign an amount of mass in the design space. By choosing an appropriate α in the formula relating Young’s modulus and design variables, the weight saving is found in the cantilever plate case.
Ou, Beiyan. "Minimax designs for comparing treatment means for field experiments." Thesis, 2006. http://hdl.handle.net/1828/2068.
Full textHong, Jhen-Zong, and 洪振宗. "A study of the optimal used period and number of minimal repairs of repairable product subject to shocks." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/48916911368547442109.
Full text華梵大學
工業管理學系碩士班
91
We consider the two-phase warranty models for repairable products. We define the time-interval as the first phase, and the time interval as the second phase. The products have two types of failures: typeⅠfailures (minor failures) and type II failures (catastrophic failures). The two failures are number dependent. In our model, typeⅠfailures are also removed by minimal repairs in the first and the second phases. Type II failures are removed by replacements in the first phase. If type II failures take place in the second phase. We suppose the life of products will be ended. To buy a new product is conducted at time W+T, upon the type II failure, or the nth of type I failures whichever occurs first. When type II failure occurs, we need to order the spare. The transport of the spare will have the leadtime and loss cost for consumer. In this thesis, we consider warranty and maintenance models for consumer. Our objective here is to obtain the optimal T* and n* when W is fixed, and a numerical example is provided.
Guenther, Phatchanok. "Efficacy of disinfectants against multidrug-resistant Enterobacter cloacae strains isolated from humans in a clinical setting." 2020. https://ul.qucosa.de/id/qucosa%3A73091.
Full textIntroduction: Enterobacter (E.) cloacae subsp. cloacae are important human pathogens, particularly in hospitalized patients. They tend to contaminate various medical devices and nosocomial outbreaks have been reported to be associated with the colonization of surgical equipment. Therefore, it is critical to determine the efficacy and effectiveness of disinfectants against this bacterial species. Objectives: The current study was undertaken to prove whether single active ingredients (i.e. peracetic acid, ethanol, benzalkonium chloride, and sodium hypochlorite) of widely used commercial disinfectants provide proper efficacy against multidrug-resistant human isolates of E. cloacae. Material and Methods: Six multidrug-resistant E. cloacae isolates obtained from patients in a clinical setting were tested and compared to the E. cloacae type strain. The studies were performed in vitro using peracetic acid, ethanol, benzalkonium chloride and sodium hypochlorite following the guidelines specified by the Disinfectants Commission within the Association of Applied Hygiene. Tests included determination of minimum inhibitory concentrations, bactericidal values by qualitative and quantitative suspension tests, and so-called germ carrier tests. The influence of exposure time and organic load on bacteriostatic and bactericidal concentrations was evaluated for each disinfectant using the two-tailed Mann-Whitney U-test. Results: Study results showed that multidrug-resistant E. cloacae strains were equally susceptible to disinfectants as the type strain. Organic matter highly interfered with sodium hypochlorite thereby decreasing its efficacy whereas peracetic acid and ethanol were not influenced by organic soiling. Contact time had only a minor effect on bactericidal values. This was in contrast to benzalkonium chloride where organic soiling and contact time played an important role. On the whole, minimum inhibitory concentrations and bactericidal concentrations were lower than in-use concentrations of commercial products. Drying on smooth surfaces in the carrier tests had an effect on the survival of one E. cloacae strain. Results also showed that efficacious values determined by the different tests used may differ distinctly. Results were difficult to compare with other studies because an international practical standard for testing disinfectant efficacy against multidrug-resistant bacteria is missing. Conclusion: Peracetic acid, ethanol, benzalkonium chloride and sodium hypochlorite are suitable to disinfect multidrug-resistant E. cloacae but the effectiveness of sodium hypochlorite and benzalkonium chloride is strongly influenced by organic matter. This underlines the importance of proper cleaning measures before disinfection. When this is done, the tested disinfectants proved to be as efficient against multidrug-resistant E. cloacae as against the type strain.:1. Introduction ............................................................ 1 2. Literature Review ....................................................... 3 2.1 Enterobacteriaceae ..................................................... 4 2.1.1 General properties ................................................... 4 2.1.2 Enterobacter cloacae complex ......................................... 4 2.2 Multidrug-resistant bacteria and disinfectant “resistance” ............. 6 2.3 Disinfectant testing ................................................... 7 2.4 Active substances investigated in this study ........................... 8 2.4.1 Peracetic acid (PAA) ................................................. 8 2.4.2 Ethanol (ETH) ........................................................ 9 2.4.3 Benzalkonium chloride (BKC) .......................................... 9 2.4.4 Sodium hypochlorite (NaOCl) .......................................... 10 3. Materials and Methods ................................................... 11 3.1 Materials .............................................................. 11 3.2 Methods ................................................................ 14 3.2.1 Culture and storage of bacteria ...................................... 14 3.2.2 Preparation of disinfectants and the neutralizing agent .............. 14 3.2.3 Minimum inhibitory concentration (MIC) ............................... 15 3.2.4 Qualitative suspension test .......................................... 15 3.2.5 Quantitative suspension test.......................................... 16 3.2.6 Surface disinfection without mechanical action (germ carrier test) ... 16 3.2.7 Statistical analysis ................................................. 17 4. Results ................................................................. 18 4.1 Minimum inhibitory concentrations ...................................... 18 4.2 Qualitative suspension tests ........................................... 18 4.3 Quantitative suspension tests .......................................... 21 4.4 Surface disinfection without mechanical action (germ carrier test) ..... 24 5. Discussion .............................................................. 28 6. Summary ................................................................. 31 7. Zusammenfassung ......................................................... 33 8. References .............................................................. 35 9. Appendix ................................................................ 49 Acknowledgments ............................................................ 50
Guo, Tzung-Rung, and 郭宗榮. "Applying Pulse Shaping Techniques for PAPR Reduction in OFDM Systems Subject to the Constraint of Minimum Error Probability." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/13248159242138549877.
Full text國立高雄第一科技大學
電腦與通訊工程所
93
An OFDM signal consists of a number of independently modulated subcarriers, which can give a large peak-to-average power ratio (PAPR). In this thesis, we focused on the techniques to reduce the PAPR values while maintain the system error probability as minimum as possible at the same time. We introduced the pulse shaping technique and showed the principles for PAPR reduction. The pulse shaping approach can be implemented by using a discrete pulse shaping matrix, which is very suitable for digital implementation. The system error probability will reach to the minimal as the shaping matrix satisfies the condition that we proposed. Our simulation results showed that the pulse shaping matrix generated by the square root of a raised cosine is an optimal solution.
Yan, Jie. "Designs of orthogonal filter banks and orthogonal cosine-modulated filter banks." Thesis, 2010. http://hdl.handle.net/1828/2647.
Full textWilliams, Aaron Michael. "Shift gray codes." Thesis, 2009. http://hdl.handle.net/1828/1966.
Full textFerreira, Helena Prata Garrido. "A justiciabilidade dos direitos económicos e sociais : o espaço de capacidade e funcionamentos como parâmetro decisório." Doctoral thesis, 2020. http://hdl.handle.net/10400.14/36368.
Full textThe aim of this essay is to address the possibilities for judicial protection of economic and social rights by inquiring what type of norms/guidelines can be extracted from the constitutionally enshrined model for those rights, and seeking to answer the question regarding what kind of obligations and rights can be withdrawn from said constitutional design. Considering the consequences that the judicial enforcement of these rights has at the level of public policies, our approach seeks to assess the extent to which it is Courts’ role to accommodate concerns and revindications arising from those rights, if they can directly extract from the respective norms rights to performance, and to coercively determine its implementation, and what criteria can or should guide the judge in the corresponding decision-making process. Our approach starts with a critical analysis of the contemporary debate of the different conceptions of liberty, seeking to reflect on the type of justice and freedom that is desired and believed to be reasonable in a democratic society and what are the respective consequences for the system of protection of economic and social rights. Our analysis also involves (i) a reading of economic and social rights inserted in the structure of social choices values whose starting point is a reformulation of the traditional view of the welfare economics, developed by Amartya Sen, and its reinterpretation according to a normative perspective that seeks to introduce value judgments in the well-being analysis and evaluate freedom-inclusive as corresponding to the recognition and exercise by individuals of minimum rights; and (ii) a proposal of construction of the minimum core content of those rights through the insertion of the capabilities approach on its analysis, and its interpretation as the space of rights and prerogatives that determines the set of opportunities for realizing the conditions of freedom, equality and dignity for each individual. Finally, once the possibilities for judicial adjudication are verified, our analysis culminates with the answers to the question concerning how far the capability approach appears as a justifiable standard for economic and social rights, what are its possibilities and limits and what considerations may assist the judge in the decision-making process.