We establish new upper bounds on the complexity of multidimensional 3earching. Our results include, in particular, linear-size data structures for range and rectangle counting in two dimensions with logarithmic query time. More generally, we give improved data structures for rectangle problems in any dimension, in a static as well as a dynamic setting. Several of the algorithms we give are simp...

A functional approach to the description of speech in terms of phonemic units is exposed. It is based on a structural analysis of phonetically transcribed and syllabified texts, which tak:es into account the word stress and the syllabic structure of the language. As a consequence, the defined units utilize syllabic microprosodic cues and are present in a limited number of contexts. The method i...

Ivan A. Larkin†and L. S. Levitov‡ †Department of Physics and Astronomy, University of Sheffield, Sheffield S3 7RH, UK ‡Center for Materials Science & Engineering, Physics Department, MIT, Cambridge, MA-02139 Abstract The incompressible Quantum Hall strip is sensitive to charging of localized states in the cyclotron gap. We study the effect of localized states by a density functional approach an...

Density functional theory is applied to ion-induced nucleation of dipolar molecules. The predicted reversible work shows a sign preference, resulting in a difference in the nucleation rate by a factor of 10–10, for realistic values of model parameters. The sign effect is found to decrease systematically as the supersaturation is increased. The asymmetry of a molecule is shown to be directly res...

This paper investigates the controller synthesis of uncertain linear time-delay systems. Stabilizability criteria are derived based on a discretized Lyapunov functional approach. A new controller design method is developed. Numerical examples show that the results using the proposed method are less conservative than some existing ones.

This study differs from previous ones applying multivariate statistical analysis and multiple criteria decision-making (MCDM) methods. We use the Variable Consistency Dominance-based Rough Set Approach (VC-DRSA) to formulate airline service strategies by generating airline service decision rules thatmodelpassengerpreferences for airline servicequality. Flowgraphsare applied to inferdecision rul...

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The “reproduction theory” was conceived and born in the research into educational inequalities in Western countries. Famous as the theory is, when it is to be applied in the research into education in China, a few factors must be taken into consideration: the subjects investigated must be educational inequalities that have come into being in the context of China; a shift in theoretical approach...

The concept of presence, i.e. the sensation of ‘being there’ in a mediated environment, has received substantial attention from the virtual reality community, and is becoming increasingly relevant both to broadcasters and display developers. Although research into presence is still at an early stage of development, there is a consensus that presence has multiple determinants. To identify and te...

We propose a pattern-based software development method comprising analysis (using problem frames) and design (using architectural and design patterns), of which especially evolving systems benefit. Evolution operators guide a pattern-based transformation procedure, including re-engineering tasks for adjusting a given software architecture to meet new system demands. Through application of these...