Lowpower operation has been recognized as being one of the crucial design requirements in sensor networks. Often these networks will be deployed in environments where no external source of electrical power is available, such as in outdoor…
Papers in Discrete Mathematics
Discrete Mathematics papers in Mathematics, W
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The author ponders how much damage could occur when a reviewer has a bad day.

The research reported here was an exploratory study that sought to discover the effects of human individual differences on Web search strategy. These differences consisted of (a) study approaches, (b) cognitive and de mographic features, and (c)…

Experiential education has long been emphasized as a part of undergraduate education in the sciences, technology, engineering, and mathematics (STEM) disciplines (Singer, Hilton, & Schweingruber, 2005), through laboratory and projectbased…

When a mesh of simplicial elements (triangles or tetrahedra) is used to form a piecewise linear approximation of a function, the accuracy of the approximation depends on the sizes and shapes of the elements. In ﬁnite element methods, the…

When a mesh of simplicial elements (triangles or tetrahedra) is used to form a piecewise linear approximation of a function, the accuracy of the approximation depends on the sizes and shapes of the elements. In finite element methods, the…

By modifying a clinical ultrasound array system, we develop a novel handheld photoacoustic probe for imageguided needle biopsy. The integration of optical fiber bundles for pulsed laser light delivery enables photoacoustic imageguided insertion of…

Most of the projects we hear of in media are either over budget, late or are simply not good enough and still different lobbies of people claim that those projects have been successful. Neither the practitioners nor the academicians seem to agree on…

It is well known that for many NPcomplete problems, such as KSat, etc., typical cases are easy to solve; so that computationally hard cases must be rare (assuming P = NP). This paper shows that NPcomplete problems can be summarized by at least…

For almost all graphs the answer to the question in the title is still unknown. Here we survey the cases for which the answer is known. Not only the adjacency matrix, but also other types of matrices, such as the Laplacian matrix, are considered. ??…

For several NPcomplete problems, there have been a progression of better but still exponential algorithms. In this paper we address the relative likelihood of subexponential algorithms for these problems. We introduce a generalized reduction which…

WHIM descriptors are 3D structural descriptors obtained from the (x,y,z)atomic coordinates of a molecular conformation of a chemical, and are used successfully in QSAR modelling. They are built in so as to capture relevant 3D information regarding…

Loworder Whitney elements are widely used for electromagnetic field problems. Higherorder approximations are receiving increasing interest, but their definition remains unduly complex. In this paper we propose a new simple construction for Whitney…

The average cash to assets ratio for U.S. industrial firms increases by 129% from 1980 to 2004. Because of this increase in the average cash ratio, American firms at the end of the sample period can pay back their debt obligations with their cash…

Summary\n There is increasing concern that most current published research findings are false. The probability that a research claim is true may depend on study power and bias, the number of other studies on the same question, and,…

There is increasing concern that most current published research findings are false. The probability that a research claim is true may depend on study power and bias, the number of other studies on the same question, and, importantly, the ratio of…

In this study an attempt is made to establish new bibliometric indicators for the assessment of research in the Humanities. Data from a Dutch Faculty of Humanities was used to provide the investigation a sound empirical basis. For several reasons…

This paper shows a method to compute the chord and twist distributions in wind power blades. The distributions are computed to maximize the mean expected power depending on the Weibull wind distribution at a specific site. This approach avoids…

The objective of this study was to provide poststall airfoil data input guidelines for the prediction of peak and postpeak rotor power when using bladeelement momentum theory. A steadystate data set from the Unsteady Aerodynamic Experiment (UAE)…

Australia is facing a severe water shortage due to belowaverage rainfall received over the past decade. The agricultural industry is significantly affected by this shortage due to its high water demands. It is important to adopt changes in…
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