Results 51 to 60 of about 161,336 (310)

Feature-Based Diversity Optimization for Problem Instance Classification

, 2020
Understanding the behaviour of heuristic search methods is a challenge. This even holds for simple local search methods such as 2-OPT for the Traveling Salesperson problem. In this paper, we present a general framework that is able to construct a diverse
Gao, Wanru, Nallaperuma, Samadhi, Neumann, Frank   +2 more
core   +1 more source

The Traveling Salesrep Problem, Edge Assembly Crossover, and 2-opt [PDF]

, 1998
Optimal results for the Traveling Salesrep Problem have been reported on problems with up to 3038 cities using a GA with Edge Assembly Crossover (EAX). This paper first attempts to independently replicate these results on Padberg's 532 city problem. We then evaluate the performance contribution of the various algorithm components.
J. Watson, C. Ross, V. Eisele, J. Denton, J. Bins, C. Guerra, D. Whitley, A. Howe   +7 more
openaire   +1 more source

Optimizing the sparse approximate inverse preconditioning algorithm on GPU

BenchCouncil Transactions on Benchmarks, Standards and Evaluations, 2022
In this study, we present an optimization sparse approximate inverse (SPAI) preconditioning algorithm on GPU, called GSPAI-Opt. In GSPAI-Opt, it fuses the advantages of two popular SPAI preconditioning algorithms, and has the following novelties: (1) an ...
Xinyue Chu, Yizhou Wang, Qi Chen, Jiaquan Gao   +3 more
doaj   +1 more source

Highly Accurate Critical Exponents from Self-Similar Variational Perturbation Theory [PDF]

, 2004
We extend field theoretic variational perturbation theory by self-similar approximation theory, which greatly accelerates convergence. This is illustrated by re-calculating the critical exponents of O(N)-symmetric $\vp^4$ theory.
D. F. Litim, H. Kleinert, H. Kleinert, H. Kleinert, J. C. Le Guillou, J. Honkonen, J. Zinn-Justin, K. G. Chetyrkin, S. G. Gorishny, V. I. Yukalov, V. I. Yukalov, V. I. Yukalov   +11 more
core   +1 more source

Life cycle cost estimation and environmental valuation of coal mine tailings management

Journal of Sustainable Mining, 2017
Sustainable mining management is increasingly seen as an important issue in achieving a social license to operate for mining companies. This study describes the life cycle cost (LCC) analysis and environmental valuation for several coal mine tailings ...
Joni Safaat Adiansyah, Michele Rosano, Wahidul Biswas, Nawshad Haque   +3 more
doaj   +1 more source

Sickle Cell Disease Is an Inherent Risk for Asthma in a Sibling Comparison Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Sickle cell disease (SCD) and asthma share a complex relationship. Although estimates vary, asthma prevalence in children with SCD is believed to be comparable to or higher than the general population. Determining whether SCD confers an increased risk for asthma remains challenging due to overlapping symptoms and the ...
Suhei C. Zuleta De Bernardis, Okeleji Olayinka, Mariam Z. Quraishi, Lakshmi V. Srivaths, Deborah L. Brown, Neethu M. Menon, Ricardo A. Mosquera, Ashwin P. Patel, James M. Stark, Aravind Yadav   +9 more
wiley   +1 more source

Improving acceptability of nudges: Learning from attitudes towards opt-in and opt-out policies [PDF]

Judgment and Decision Making, 2019
Policy makers should understand people’s attitudes towards opt-out nudges to smoothly promote and implement the policies. Our research compares people’s perceptions of opt-in and three improved versions of opt-out (transparency, emphasis on the low-cost ...
Haoyang Yan, J. Frank Yates
doaj  

Missed opportunities for diagnosis of HIV in the emergency department using non–risk‐based testing strategy

Journal of the American College of Emergency Physicians Open, 2023
Objectives The objective of this study was to identify the number of missed opportunities (MO) for human immunodeficiency virus (HIV) diagnoses within our emergency departments (EDs) and assess any significant associated patient characteristics ...
Sarah Guess, Mirinda Ann Gormley, Phillip Moschella, Prerana Roth, Alain H. Litwin   +4 more
doaj   +1 more source

Pazopanib Combined With Vincristine and Irinotecan in Relapsed Wilms Tumor: Encouraging Outcomes in a Heavily Pretreated Pediatric Cohort

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background While Wilms tumor (WT) typically has a favorable prognosis, relapsed cases—especially those with high‐risk histology—remain therapeutically challenging after intensive frontline therapy. The combination of vincristine and irinotecan has demonstrated activity in pediatric solid tumors, and pazopanib, a multi‐targeted tyrosine kinase ...
Maria Debora De Pasquale, Alessandro Crocoli, Giuseppe Maria Milano, Pierluigi Di Paolo, Francesca Diomedi Camassei, Ida Russo, Annalisa Serra   +6 more
wiley   +1 more source

Structural and mechanical properties of a giomer-based bulk fill restorative in different curing conditions

Journal of Applied Oral Science, 2018
Objective: The main goal of this study was to compare the polymerization degree of bulk-fill giomer resin cured with three different light-curing units (LCUs): a polywave third-generation (Valo); a monowave (DemiUltra: DU); and a second-generation LED ...
Mustafa Sarp Kaya, Meltem Bakkal, Ali Durmus, Zehra Durmus   +3 more
doaj   +1 more source