87,908 research outputs found
Propositionwise judgment aggregation
No full textIn the theory of judgment aggregation, it is known for which agendas of propositions it is possible to aggregate individual judgments into collective ones in accordance with the Arrow-inspired requirements of universal domain, collective rationality, unanimity preservation, non-dictatorship and propositionwise independence. But it is only partially known for which agendas it is possible to respect additional requirements, notably non-oligarchy, anonymity, no individual veto power, or implication preservation. We fully characterize the agendas for which there are such possibilities, thereby answering the most salient open questions about propositionwise judgment aggregation. Our results build on earlier results by Nehring and Puppe (2002), Nehring (2006) and Dietrich and List (2007a).mathematical economics;
EPISTEMIC FOUNDATIONS OF SOLUTION CONCEPTS IN GAME THEORY: AN INTRODUCTION
No full textWe give an introduction to the literature on the epistemic foundations of solution concepts in game theory. Only normal-form games are considered. The solution concepts analyzed are rationalizability, strong rationalizability, correlated equilibrium and Nash equilibrium. The analysis is carried out locally in terms of properties of the belief hierarchies. Several examples are used throughout to illustrate definitions and concepts.
Ctenomys pundti Nehring 1900
No full text<p>31.</p> <p>Pundt’s Tuco-tuco</p> <p> <i>Ctenomys pundti</i></p> <p> <b>French:</b> Tuco-tuco de Pundt / <b>German:</b> Pundt-Kammratte / <b>Spanish:</b> Tuco tuco de Pundt</p> <p> <b>Other common names:</b> Small Tuco-tuco</p> <p> <b>Taxonomy.</b> Ctenomys pundti Nehring, 1900,</p> <p>“Alejo Ledesma im Suden der Provinz Cordoba,” Argentina, 33°38’ S, 62°37 W, 113 m.</p> <p>Ctenomys pundti was initially classified in the Ancestral group based on biogeography, and based on mtDNA analysis, it was later classified in the talarum-species group. Chromosomal complement is 2n = 50 and FN = 84, and sperm is symmetric. Monotypic.</p> <p> <b>Distribution.</b> NC Argentina (Cordoba and San Luis provinces).</p> <p> <b>Descriptive notes.</b> Head-body 170 mm, tail 43 mm, hindfoot (with claw) 20 mm (measurements for the specimen used by A. Nehring in his description). Nevertheless, fully mature specimens were collected with head-body 144-157 mm (males) and 133-138 mm (females), and some weighed less than 100 g. Pundt’s Tuco-tuco is one of the smallest species of Ctenomys. Upper parts are yellowish brown, and under parts are whitish gray. Forefeet and hindfeet are whitish above. Tail is bicolored, blackish above and whitish below. Dorsal hairs have yellow-brown tips and dark blue-gray bases. Skull is small, and occipital is not sharp-edged but rounded, reflecting weak development of lambdoidal crest. Upper incisors are proodont, and bullae are greatly expanded and ventrally rounded. Many other characteristics of Pundt’s Tuco-tuco are small-sized.</p> <p> <b>Habitat.</b> Grassland, savanna, and shrubland plains in the Pampas and Argentine Espinal ecoregions.</p> <p> <b>Food and Feeding.</b> There is no information available for this species.</p> <p> <b>Breeding.</b> There is no information available for this species.</p> <p> <b>Activity patterns.</b> There is no information available for this species.</p> <p> <b>Movements, Home range and Social organization.</b> There is no information available for this species.</p> <p> <b>Status and Conservation.</b> Classified as Vulnerable on The IUCN Red Lust.</p> <p> <b>Bibliography.</b> Bidau (2006, 2015), Contreras & Bidau (1999), Ipucha et al. (2008), Medina et al. (2007), Nehring (1900b), Parada et al. (2011), Reig et al. (1992), Tiranti et al. (2005).</p>Published as part of <i>Don E. Wilson, Thomas E. Lacher, Jr & Russell A. Mittermeier, 2016, Ctenomyidae, pp. 498-534 in Handbook of the Mammals of the World – Volume 6 Lagomorphs and Rodents I, Barcelona :Lynx Edicions</i> on page 523, DOI: <a href="http://zenodo.org/record/6588177">10.5281/zenodo.6588177</a>
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
Mesocricetus Nehring 1898
No full text<p> <i>Mesocricetus</i> Nehring, 1898. Zool. Anz., 21:494.</p> <p>REVIEWED BY: M. Andera (MA); O. L. Rossolimo (OLR); F. Spitzenberger (FS).</p> <p> COMMENT: Kuznetsov, 1965, <i>in</i> Bobrinskii <i>et al.,</i> 1965, Key to the Mammals of the U.S. S.R., Moscow, included <i>Mesocricetus</i> in <i>Cricetus;</i> Corbet, 1978:90, 92, considered both distinct genera, in need of revision. Reviewed by Vorontsov, 1960, C. R. Acad. Sci. U.S. S. R., 132(6): 1448- 1451. Subfamily Cricetinae; see comment under Cricetidae.</p> <p>ISIS NUMBER: 5301410008021000000.</p>Published as part of <i>James H. Honacki, Kenneth E. Kinman & James W. Koeppl, 1982, Order Rodentia (Part 3), pp. 392-476 in Mammal Species of the World (1 st Edition), Lawrence, Kansas, USA :Alien Press, Inc. & The Association of Systematics Collections</i> on page 426, DOI: <a href="http://zenodo.org/record/7353031">10.5281/zenodo.7353031</a>
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
C3H7NO2S effect on concrete steel-rebar corrosion in 0.5 M H2SO4 simulating industrial/microbial environment
No full textThis paper investigates C3H7NO2S (Cysteine) effect on the inhibition of reinforcing steel corrosion in concrete immersed in 0.5 M H2SO4, for simulating industrial/microbial environment. Different C3H7NO2S concentrations were admixed, in duplicates, in steel-reinforced concrete samples that were partially immersed in the acidic sulphate environment. Electrochemical monitoring techniques of open circuit potential, as per ASTM C876-91 R99, and corrosion rate, by linear polarization resistance, were then employed for studying anticorrosion effect in steel-reinforced concrete samples by the organic hydrocarbon admixture. Analyses of electrochemical test-data followed ASTM G16-95 R04 prescriptions including probability distribution modeling with significant testing by Kolmogorov-Smirnov and student's t-tests statistics. Results established that all datasets of corrosion potential distributed like the Normal, the Gumbel and the Weibull distributions but that only the Weibull model described all the corrosion rate datasets in the study, as per the Kolmogorov-Smirnov test-statistics. Results of the student's t-test showed that differences of corrosion test-data between duplicated samples with the same C3H7NO2S concentrations were not statistically significant. These results indicated that 0.06878 M C3H7NO2S exhibited optimal inhibition efficiency η = 90.52±1.29% on reinforcing steel corrosion in the concrete samples immersed in 0.5 M H2SO4, simulating industrial/microbial service-environment
Generalized distribution based diversity measurement: Survey and unification
No full textSocial and natural sciences employ a number of different measures of diversity. The presents paper surveys those depending on the distribution of abundances among a given set of categories. Characteristic properties of the measures are generalized and a unifying notation is derived. It is argued that such unification enables scientists and decision makers to measure distribution based diversity in a new, more flexible manner, and represents a useful complement to models of generalized feature based diversity, such as Nehring and Puppe’s (2002) theory of diversity.Diversity measurement; Generalization; Non–additivity; Concavity; Numbers equivalence
Author Correction: A global analysis of terrestrial plant litter dynamics in non-perennial waterways
No full text© 2018 The Author(s) In the version of this Article originally published, the affiliation for M. I. Arce was incorrect; it should have been:5Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), Berlin, Germany. This has now been corrected in the online versions of the Article
Studies on Thermal Reactions and Sintering Behaviour of Red Clays by Irreversible Dilatometry
No full textThermal behavior of clays strongly influences that of ceramic bodies made thereof and hence, its study is must for assessing its utility in ceramic products as well as to set the body composition. Irreversible dilatometry is an effective thermal analysis tool for evaluating thermal reactions as well as sintering behavior of clays or clay based ceramic bodies. In this study, irreversible dilatometry of four red clay samples (S, M, R and G) of Gujarat region, which vary in their chemical and mineralogical compositions was carried out using a Dilatometer and compared. Chemical analysis and XRD of red clays were carried out. XRD showed that major clay minerals in S, M and R clays are kaolinite. However, clay marked R and G showed presence of both kaolinite and illite and / muscovite. Presence of non-clay minerals such as hematite, quartz, anatase were also observed in all clays. XRD results were in agreement with chemical analyses results. Rational analyses showed variation in amount of clay and non-clay minerals in red clay samples. Evaluation of dilatometric curves showed that clay marked as S, M and R exhibit patterns typical for kaolinitic clays. Variation in linear expansion (up to 550 degrees C) and shrinkage (above 550 degrees C) between these three clays was found to be related to difference in amount of quartz and kaolinite respectively. However, dilatometric curve of G exhibit a pattern similar to that for an illitic clay. This study confirmed that sintering of investigated kaolinitic and illitic and / muscovitic red clays initiates at above 1060 degrees C and 860 degrees C respectively and this behaviour strongly depends upon type and amount of minerals and their chemical compositions
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