Search results for "hierarchy"
showing 10 items of 312 documents
Transport policy and climate change: How to decide when experts disagree
2008
Abstract Transport is the sector with the fastest growth of greenhouse gases emissions in many countries. Accumulation of these emissions may cause uncertain and irreversible adverse climate change impacts. In this context, we use the analytic hierarchy process (AHP) to face the question on how to select the best transport policy if the experts have different opinions and beliefs on the occurrence of these impacts. Thus, both the treatment of uncertainty and dissent are examined for the ranking of transport policies. The opinions of experts have been investigated by a means of a survey questionnaire. A sensitivity analysis of the experts’ weights and the criteria’ weights confirms the robus…
NEUTRINO SPECTRUM IN NONSUPERSYMMETRIC SO(10)
1996
We present a predictive scheme for fermion masses and mixings inspired by nonsupersymmetric SO(10) in which the hierarchy problem is resolved without fine tuning the Yukawa couplings. This calls for a nonminimal Higgs sector which we exploit in deriving the expressions for the mass matrices. To keep the predictivity of the model under control we limit the structure of the mass matrices by imposing U(1) symmetries. A very predictive neutrino spectrum is then obtained.
Seeking the Important Nodes of Complex Networks in Product R&D Team Based on Fuzzy AHP and TOPSIS
2013
Published version of article in the journal: Mathematical Problems in Engineering. Alo available from the publisher at: http://dx.doi.org/10.1155/2013/327592 Open Access How to seek the important nodes of complex networks in product research and development (R&D) team is particularly important for companies engaged in creativity and innovation. The previous literature mainly uses several single indicators to assess the node importance; this paper proposes a multiple attribute decision making model to tentatively solve these problems. Firstly, choose eight indicators as the evaluation criteria, four from centralization of complex networks: degree centrality, betweenness centrality, closeness…
Nonlocal density correlations as a signature of Hawking radiation from acoustic black holes
2008
We have used the analogy between gravitational systems and nonhomogeneous fluid flows to calculate the density-density correlation function of an atomic Bose-Einstein condensate in the presence of an acoustic black hole. The emission of correlated pairs of phonons by Hawking-like process results into a peculiar long-range density correlation. Quantitative estimations of the effect are provided for realistic experimental configurations.
What Do You Need a Mathematician For? Martinus Hortensius ’s “Speech on the Dignity and Utility of the Mathematical Sciences ” (Amsterdam 1634)
2004
Send submissions to David E. Rowe, Fachbereich 17--Mathematik, Johannes Gutenberg University, D55099 Mainz, Germany. I n early modem Europe the term mathematical sciences was used to describe those fields of knowledge that depended on measure, number, and weight--reflecting the much-quoted passage from the Wisdom of Solomon 11, 20: "but thou hast ordered all things in measure and number and weight." This included astrology and architecture as well as arithmetic and astronomy. These scientiae or disciplinae mathematicae were generally subdivided into mathematicae purae, dealing with quantity, continuous and discrete as in geometry and arithmetic, and mathematicae mix tae or mediae, dealing n…
Reverse inheritance in statically typed object-oriented programming languages
2010
Reverse inheritance is a new class reuse mechanism, an experimental implementation of which we have built for Eiffel. It enables a more natural design approach, factorization of common features (members), insertion of classes into an existing hierarchy etc. Due to its reuse potential in Eiffel we consider exploring its capabilities in other industrial-strength programming languages like C++, Java and C#.
Mobbing in Schools and Hospitals in Uruguay: Prevalence and Relation to Loss of Status.
2017
In the present study in secondary schools and hospitals in Uruguay ( N = 187), we examined the relationship between feeling the victim of mobbing and a perceived loss of status. Nearly all forms of mobbing were more prevalent among hospital employees than among school employees. Among hospital employees, 40.4%, and among school employees, 23.9% reported being the victim of mobbing at least once a week. Being the victim of mobbing was, in both hospitals and schools, more prevalent among older employees, and in hospitals, among employees who were more highly educated and who had been employed for a longer time. Men and women did not differ in reporting that one was a victim of mobbing, but m…
Forest management planning at different geographic levels in Italy: hierarchy, current tools and ongoing development
2009
This paper examines the current status of forest management tools and their pplication at different levels in Italy where the majority of land planning has been and is still being done at the “micro-scale”, meaning that specific local issues are dealt with locally. Starting from international European Union law, the authors review the forest acts that led from the National Forest Plan (NFP) to smaller scales, in relation to their geographic and territorial applicability. Scaling down from the NFP to the local level the various Italian forest programmes and plans are analysed according to a vertical logic (hierarchical mode): Regional Forest Programme (RFP), Territorial (i.e. sub-regional) F…
World`s Most Valuable Brand Resonation With Categories of Different Customer Needs
2017
One of the key performance indicators of brand success is its value. Brand value is an outcome of brand`s performance in market, and is largely depended from brand`s ability to satisfy certain customer needs. For the greatest success in the world`s market brand should resonate its ability to satisfy some of customer`s most universal needs. In this paper authors strives to find out which of the needs world`s most successful brands are resonating with. Therefore paper goal is to is to determine what customer needs world`s most valuable brands are primarily satisfying. First part of paper authors briefly evaluate Maslow theory of needs. In second part of paper authors identify main challenges …
Probabilities to Accept Languages by Quantum Finite Automata
1999
We construct a hierarchy of regular languages such that the current language in the hierarchy can be accepted by 1-way quantum finite automata with a probability smaller than the corresponding probability for the preceding language in the hierarchy. These probabilities converge to 1/2.