Search
Now showing items 191-200 of 226
The Remarkable Spin-down and Ultrafast Outflows of the Highly Pulsed Supersoft Source of Nova Herculis 2021
(Iop Publishing Ltd, 2021)
Nova Her 2021 (V1674 Her), which erupted on 2021 June 12, reached naked-eye brightness and has been detected from radio to gamma-rays. An extremely fast optical decline of 2 magnitudes in 1.2 days and strong Ne lines imply ...
Nonlinear time series analysis of palaeoclimate proxy records
(Pergamon-Elsevier Science Ltd, 2021)
Identifying and characterising dynamical regime shifts, critical transitions or potential tipping points in palaeoclimate time series is relevant for improving the understanding of often highly nonlinear Earth system ...
Concept selection with hesitant fuzzy ANP-PROMETHEE II
(Taylor & Francis Ltd, 2021)
An integrated approach is given for the assessment and ranking of concepts as part of the new product development (NPD) process. Selection of the best concept in NPD involves multiple criteria decision-making (MCDM) since ...
Contagion of fear: Is the impact of COVID-19 on sovereign risk really indiscriminate?
(Wiley, 2021)
This paper investigates the impact of infectious diseases on the evolution of sovereign credit default swap (CDS) spreads for a panel of 77 countries. Using annual data over 2004-2020, we find that infectious-disease ...
Discovering Customer Purchase Patterns in Product Communities: An Empirical Study on Co-Purchase Behavior in an Online Marketplace
(Mdpi, 2021)
Marketplace platforms gather and store data on each activity of their users to analyze their customer purchase behavior helping to improve marketing activities such as product placement, cross-selling, or customer retention. ...
The effect of weekend curfews on epidemics: a Monte Carlo simulation
(Tubitak Scientific & Technical Research Council Turkey, 2021)
The ongoing COVID-19 pandemic is being responded with various methods, applying vaccines, experimental treatment options, total lockdowns or partial curfews. Weekend curfews are among the methods for reducing the number ...
Physical-Layer Security in 6G Networks
(IEEE-Inst Electrical Electronics Engineers Inc, 2021)
The sixth generation (6G) of mobile network will be composed by different nodes, from macro-devices (satellite) to nano-devices (sensors inside the human body), providing a full connectivity fabric all around us. These ...
Location Aware Vertical Handover in a VLC/WLAN Hybrid Network
(IEEE-Inst Electrical Electronics Engineers Inc, 2021)
Visible light communication (VLC) has emerged as a promising technology for wireless communication as it offers higher data rates and secure data transmission along with providing indoor illumination. However, VLC is ...
Exploring the Space-Calorie Association: Preliminary Evidence from Reaction Time Performance
(Univ Economics & Human Sciences Warsaw, 2021)
The present study was designed to investigate the representation of calorie levels in space. Previously an association between numerical magnitude and space has been established, namely, the Spatial Numerical Association ...
Banking sector reactions to COVID-19: The role of bank-specific factors and government policy responses
(Elsevier, 2021)
This paper examines the impact of bank-specific factors and variations in the context of stringency of government policy responses on bank stock returns because of the COVID-19 pandemic. A sample of 1,927 publicly listed ...