Sign inSubmit
Tips: “quotes” for a phrase · author:Lee · a DOI goes straight to its article

446 results for “class NP”
Set a search alert
Research ArticleOpen accessEvery word in the titleOn the Stability of a Certain Class of Linear Time-Varying SystemsM. De la SenThis study firstly considers the exponential stability of unforced linear systems of slowly time-varying dynamics. Possible switchings of the system structure to unstable dynamics during certain finite time intervals are admitted. The maintenance of global exponential stability does not necessarily require at most a finite number of switchings in the dynamics while infinitely many switches can also lead to stability. … …American Journal of Applied Sciences, Vol. 2, Issue 8 · 31 Aug 2005 · 6,935 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleImproving Diabetes Risk Prediction Using Ensemble Boosting and SMOTE-Based Class BalancingKittipol Wisaeng, Pankom Sriboonlue, Benchalak MuangmeesriAccurate diabetes prediction is vital for early intervention, optimized resource allocation, and minimizing long-term complications. This study presents a comparative evaluation of traditional and advanced machine learning models for diabetes classification using a structured clinical dataset. Seven baseline algorithms were assessed against five advanced ensemble methods: CatBoost, LightGBM, XGBoost, Voting Ensemble, and Stacking Ensemble. To improve algorithm learning, the Synthetic … …Journal of Computer Science, Vol. 22, Issue 1 · 1 Feb 2026 · 1,976 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleUsing Wireless Networks and Internet of Things for Enhanced Monitoring of Students During Virtual ClassSulaiman Abdullah AlateyahThe entire educational model has undergone a significant change as a result of the Internet of Things (IoT)'s introduction to the educational sector. Universities have a significant chance to take advantage of the IoT technology in a variety of ways, including data collection and analysis to improve the educational experience, promote the achievement of learning objectives, and enhance overall school … …Journal of Computer Science, Vol. 20, Issue 6 · 15 Mar 2024 · 5,195 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAlcohol Intubation and Synergistic Effect of Folic Acid and Egg Yolk Powder Solution on Alcohol Dehydrogenase [ADH] Class I Gene Expression and Single Nucleotide Polymorphism Frequency in Parent and Prenatal Alcohol Exposed Wistar RatsAdejoke Olukayode Obajuluwa, Oluyinka Ajibola Iyiola, Joseph Akintade Morakinyo et al.Point mutation detections in alcohol metabolizing genes could unravel molecular targets of gestational alcohol and epigenetic remodeling capacity of maternal nutrition, which underscores growth and health endpoints in Pre­natal Alcohol Exposed (PAE) fetuses. gene expression was assayed using sequenced target and internal control gene primers in a two-step thermal cycling process from isolated RNA in purely bred alcohol male and … …OnLine Journal of Biological Sciences, Vol. 24, Issue 1 · 22 Nov 2023 · 4,857 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleExistence Results for a Class of Nonlinear Hadamard Fractional with p-Laplacian Operator Differential EquationsSamah HorrigueIn this study, we are concerned with the existence and uniqueness of solution for some nonlinear Hadamard fractional differential equations. Our results are based on different classical fixed point theorems. Some useful examples are presented in order to illustrate the validity of our main results. …Journal of Mathematics and Statistics, Vol. 17, Issue 1 · 2 Oct 2021 · 6,886 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA First-Class Ticket to the Planet Mars, PleaseRelly Victoria Petrescu, Raffaella Aversa, Bilal Akash et al.The paper presents some aspects related to the current stage in the aerospace industry, referring to the current possibilities of moving in space. The main problem that has kept mankind for so many millennia has been the less speed of movement, but also the difficult exit into outer space. For a ship to be able to defeat gravitational forces and … …Journal of Aircraft and Spacecraft Technology, Vol. 1, Issue 4 · 1 Dec 2017 · 7,003 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleLimit Theorems for a Class of Additive Functionals of Symmetric Stable Process and Fractional Brownian Motion in Besov-Orlicz SpacesM. Ait Ouahra, A. Kissami, A. SghirWe use the Potter's Theorem and the tightness criterion in Besov-Orlicz spaces, recently proved, to generalize some limit theorem for occupation times problem of certain self-similar process, namely symmetric stable process of index 1<α≤ and fractional Brownian motion of Hurst parameter 0<H<1. We give also strong approximation version of our limit theorem, more precisely, we show Lp-estimate version. …Journal of Mathematics and Statistics, Vol. 8, Issue 4 · 22 Feb 2013 · 6,757 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleComputational Techniques for Stability Analysis of a Class of Dynamic Economic ModelsGeorge E. Halkos, Kyriaki D. TsilikaModern microeconomics and macroeconomics study dynamic phenomena. Dynamics could predict future states of an economy based on its structural characteristics. Dynamic models in discrete time discrete state economic systems may take the form of one single linear difference equation or a system of linear difference equations. In this study we use Xcas and Mathematica as software tools in order to … …American Journal of Applied Sciences, Vol. 9, Issue 12 · 12 Dec 2012 · 7,379 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleTransformation or Transgression? Institutional Habitus andWorking Class Student IdentityTina Byrom, Nic LightfootProblem statement: Whilst evidence continues to highlight disparity in Higher Education (HE) participation rates across social groups, there continues to be small numbers of young people from social groups 4-7 choosing to go to university. However, university experience varies across the different social groups and differing social positions appear to influence the higher education institution students apply to and secure … …Journal of Social Sciences, Vol. 8, Issue 2 · 18 Feb 2012 · 9,615 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleApplication of Gamma irradiation in treatment of Waste Activated Sludge to Obtain Class a BiosolidsMohammed I. AL-Ghonaiem, Abdelnasser Salah Shebl Ibrahim, Ali Abdullah Al-SalamahProblem statement: The main objective of the current study was investigation of the possible application of Gamma irradiation for treatment of the activated sludge generated wastewater treatment stations, to achieve the standard requirements in term of pathogens content. Approach: Activated sludge samples were collected from Riyadh wastewater plant and analyzed quantitatively for the presence of important bacterial parameters including fecal … …American Journal of Environmental Sciences, Vol. 6, Issue 6 · 31 Dec 2010 · 7,006 accessesView PDFCite