197,297 research outputs found
Causal and Stable Input/Output Structures on Multidimensional Behaviours
No full textIn this work we study multidimensional (nD) linear differential behaviours with a distinguished independent variable called "time". We define in a natural way causality and stability on input/output structures with respect to this distinguished direction. We make an extension of some results in the theory of partial differential equations, demonstrating that causality is equivalent to a property of the transfer matrix which is essentially hyperbolicity of the Pc operator defining the behaviour (Bc)0,y We also quote results which in effect characterise time autonomy for the general systems case. Stability is likewise characterized by a property of the transfer matrix. We prove this result for the 2D case and for the case of a single equation; for the general case it requires solution of an open problem concerning the geometry of a particular set in Cn. In order to characterize input/output stability we also develop new results on inclusions of kernels, freeness of variables, and closure with respect to S,S' and associated spaces, which are of independent interest. We also discuss stability of autonomous behaviours, which we beleive to be governed by a corresponding condition
Violation Maxims in Awas Ada Sule Situation Comedy
No full textThe objectives of this research were to discover the types of violation maxims, the most dominant violation maxim, and to explain the causes of the most dominant violation maxim in Awas Ada Sule situation comedy. The source of data was situation comedy and taken from internet. The data were the scripts in Awas Ada Sule situation comedy. There were 50 violation maxims in this research. The descriptive qualitative design was used to analyze the data. The results of the analysis showed that all types of maxim were violated; 33 utterances violation maxim of quantity (66%), 7 utterances violation maxim of quality (14%), 7 utterances violation maxim of relation (14%), and 3 utterances violation maxim of manner (6%). The most dominant type of violation maxims was the violation maxim of quantity because the main characters said something without giving enough information or even providing it too much by adding something unimportant to say which was aimed at creating humor, entertaining
The high cost of protecting Uruguay's automotive industry
No full textDomestic content requirements are regulations that mandate minimum percentages of domestic value-added, or domestic components for products sold within the country, or provide strong incentives to substitute domestic for imported inputs. The author developed a model to investigate the distortions, costs, and transfers among groups caused by the combination of domestic content and compensatory export requirements. This model was applied to the protection scheme for Uruguay's automobile industry. The author found that the protective regime keeps vehicle prices and domestic production costs high and transfers large sums to special interest groups. Higher finished vehicle prices encourage more output from domestic assembly operations, but domestic content and compensatory export requirements discourage domestic assembly. The net effect could either encourage or discourage domestic assembly operations, depending on the net impact of the regulations. Trade in this industry should be liberalized. Care should be taken not to inadvertently increase effective protection of the assembly industry by, for example, phasing out domestic content and compensatory export requirements on kits faster than those on finished autos, thus temporarily encouraging domestic assembly.Economic Theory&Research,Environmental Economics&Policies,Access to Markets,Markets and Market Access,Water and Industry
Osservazioni sulla Syngenaspis parlatoriae Sule e su altre cocciniglie infeudate alle Conifere
No full textIl presente lavoro vuole contribuire alla conoscenza della distribuzione in Italia di alcune cocciniglie dei pini. Sul genere Pinus sono state finora trovate le seguenti specie: LeucaspiS pusilla Ll:iw, Leucaspis loewi Colvée, Leucaspis pini Hartig, Dynaspidiotus abietis Schrank, Lepidosaphes newsteadi Sule, Syngenaspis parlatoriae Sule. · La Leucaspis pusilla è risultata presente in tutta Italia, incluse le isOle; di particolare interesse i ritrovamenti di questa specie avvenuti in località alpine comé Valsavaranche (Aosta) e prealpine come Perarolo di Cadore (Belluno). M. Grappa, Bassano (Vicenza), Carnia e Gemona (Udine), in quanto ampliano l\u27areale noto della specie, considerata a diffusione mediterranea. La Leucaspis loewi, diffusa in tutta la penisola, è stata trovata anche sul M. Pollino (Calabria), che ne rappresenta la località più meridionale di ritrovamento, sul Pinus heldreichii Christ. var. leucodermis Ant., pianta ospite nuova. Della Leucaspis pini vengono citate numerose località di raccolta nell\u27Italia nord orientale. Il Dynaspidiotus abietis è stato trovato con una certa frequenza nelle Alpi venete, di solito associato ad altre specie. Il Lepidosaphes newsteadi è stato rinvenuto anche nelle Alpi nord orientali, dove non era ancora noto, e ciò ne amplia l\u27areale fino a comprendere tutto l\u27arco alpino. Viene inoltre segnalata la presenza in Italia della Syngenaspis parlatoriae di cui sono stati raccolti pochi esemplari ad Agordo (Belluno), su Pinus nigra Arn., pianta ospite non ancora nota. Durante l\u27osservazione della specie sono state raccolte alcune neonate di cui viene data la descrizione.
 
Dr. Duane M. Jackson, Morehouse College, July 2011
No full textThis video is a conversation with Dr. Duane M. Jackson. Dr. Jackson talks about his paper, "Recall and the Serial Position Effect: The Role of Primacy and Recency on Accounting Students' Performance." Jackie Daniel, AUC Woodruff Library, is the interviewer
"Reflections on the subject of Emigration from Europe with a view to Settlement in the United States" By M. Carey.
No full text"Reflections on the subject of Emigration from Europe with a view to Settlement in the United States: containing bried sketches of the moral and political character of those states.
By M. Carey, member of the American philosophical, and of the American Antiquarian Society, and author of The Olive Branch, Cindiciae Hibernicae, essays on banking, on political economy, and on internal improvement.
To which are now added the English editor's comments on the subject; together with Important Advice to Emigrants, and Cautions Against Impositions Practiced in the Outports
Spurious correlation in estimation of the health production function: A note
No full textIn this paper, we address the issue of spurious correlation in the production of health in a systematic way. Spurious correlation entails the risk of linking health status to medical (and nonmedical) inputs when no links exist. This note first presents the bounds testing procedure as a method to detect and avoid spurious correlation. It then applies it to a recent contribution by Lichtenberg (2004), which relates longevity in the United States to pharmaceutical innovation and public health care expenditure. The results of the bounds testing procedure show longevity to be linearly related to these two factors. Therefore, the estimates reported by Lichtenberg (2004) cannot be said to be result of spurious correlation, to the contrary, they very likely reflect an effective relationship, at least for the United States.Health; Life expectancy, Innovation, Pharmaceuticals, Health care expenditure, Cointegration
Dispelling the Myths Behind First-author Citation Counts
No full textWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
Dr. Glendon Swarthout
No full textHosted by Roger M. Busfield, MSU Assistant Professor of Speech and Theater, Meet the Author is designed to introduce a general audience to a contemporary author and their work through in-depth interviews. This episode features a conversation between Dr. Glendon Swarthout, prolific author and English professor at MSU, and assistant professors Sam S. Baskett and Theodore B. Strandness
Simulation of thermal plant optimization and hydraulic aspects of thermal distribution loops for large campuses
No full textFollowing an introduction, the author describes Texas A&M University and its utilities system. After that, the author presents how to construct simulation models for chilled water and heating hot water distribution systems. The simulation model was used in a $2.3 million Ross Street chilled water pipe replacement project at Texas A&M University. A second project conducted at the University of Texas at San Antonio was used as an example to demonstrate how to identify and design an optimal distribution system by using a simulation model. The author found that the minor losses of these closed loop thermal distribution systems are significantly higher than potable water distribution systems. In the second part of the report, the author presents the latest development of software called the Plant Optimization Program, which can simulate cogeneration plant operation, estimate its operation cost and provide optimized operation suggestions. The author also developed detailed simulation models for a gas turbine and heat recovery steam generator and identified significant potential savings. Finally, the author also used a steam turbine as an example to present a multi-regression method on constructing simulation models by using basic statistics and optimization algorithms. This report presents a survey of the author??s working experience at the Energy Systems Laboratory (ESL) at Texas A&M University during the period of January 2002 through March 2004. The purpose of the above work was to allow the author to become familiar with the practice of engineering. The result is that the author knows how to complete a project from start to finish and understands how both technical and nontechnical aspects of a project need to be considered in order to ensure a quality deliverable and bring a project to successful completion. This report concludes that the objectives of the internship were successfully accomplished and that the requirements for the degree of Degree of Engineering have been satisfied
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