C.T. Ng
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View article: Synthesis, twofold oxidative cyclization and dual emission of diaryl-substituted benzodithieno[5.5.5.6]fenestranes
Synthesis, twofold oxidative cyclization and dual emission of diaryl-substituted benzodithieno[5.5.5.6]fenestranes Open
Diarylbenzodithieno[5.5.5.6]fenestranes exhibit unusual dual emission (left), but upon twofold formylation and/or oxidative cyclization (right), only monomeric emission occurs.
View article: A multi-modal data fusion approach for evaluating the impact of extreme public sentiments on corporate credit ratings
A multi-modal data fusion approach for evaluating the impact of extreme public sentiments on corporate credit ratings Open
This paper introduces a novel multi-modal data fusion framework to examine the impact of extreme public sentiments on corporate credit ratings. Departing from traditional binary or ternary sentiment classifications, our approach leverages …
View article: Improving BIM-BEM Interoperability for Sustainable Energy Practices in Malaysia’s Built Environment: A Mixed Method Analysis
Improving BIM-BEM Interoperability for Sustainable Energy Practices in Malaysia’s Built Environment: A Mixed Method Analysis Open
This study focuses on improving the interoperability of Building Information Modelling (BIM) and Building Energy Modelling (BEM) in Malaysia's built environment, driven by the increasing adoption of BIM under high energy consumption condit…
View article: Single‐Machine Scheduling With Positional Deadlines, Time Deadlines, and due Date Assignment for Minimizing Total Weighted Tardiness
Single‐Machine Scheduling With Positional Deadlines, Time Deadlines, and due Date Assignment for Minimizing Total Weighted Tardiness Open
In this article, we consider single‐machine scheduling with positional deadlines and time deadlines to minimize the total weighted tardiness under the fixed due‐date assumption or the due‐date determination assumption. Specifically, we con…
View article: How does consumer quality preference impact blockchain adoption in supply chains?
How does consumer quality preference impact blockchain adoption in supply chains? Open
Blockchain technology is increasingly used to ensure the authenticity of product information in supply chains. As digital transparency becomes a key factor in modern commerce, the evaluation of blockchain’s value becomes important. In this…
View article: Claw-free minimal matching covered graphs
Claw-free minimal matching covered graphs Open
A matching covered graph $G$ is minimal if for each edge $e$ of $G$, $G-e$ is not matching covered. An edge $e$ of a matching covered graph $G$ is removable if $G-e$ is also matching covered. Thus a matching covered graph is minimal if and…
View article: Properly colored even cycles in edge-colored complete balanced bipartite graphs
Properly colored even cycles in edge-colored complete balanced bipartite graphs Open
Consider a complete balanced bipartite graph $K_{n,n}$ and let $K^c_{n,n}$ be an edge-colored version of $K_{n,n}$ that is obtained from $K_{n,n}$ by having each edge assigned a certain color. A subgraph $H$ of $K^c_{n,n}$ is called proper…
View article: Sufficient conditions for $k$-factors and spanning trees of graphs
Sufficient conditions for $k$-factors and spanning trees of graphs Open
For any integer $k\geq1,$ a graph $G$ has a $k$-factor if it contains a $k$-regular spanning subgraph. In this paper we prove a sufficient condition in terms of the number of $r$-cliques to guarantee the existence of a $k$-factor in a grap…
View article: Bi-objective evacuation problem in ships or buildings
Bi-objective evacuation problem in ships or buildings Open
In this paper, we introduce an evacuation problem that involves several real-world evacuation elements, such as different types of evacuees and different types of exits, applicable to the evacuation of buildings or ships in emergency, e.g.…
View article: Pricing and Return Policies in a Competitive Market: A Consumer-Valuation Based Analysis with Valuation Uncertainties
Pricing and Return Policies in a Competitive Market: A Consumer-Valuation Based Analysis with Valuation Uncertainties Open
In this study, we develop a series of consumer-valuation-based models to investigate the pricing and return policies of the sellers in a competitive e-commerce market. Differing from the competition models in literature, a novel two-dimens…
View article: COVID-19 experience from an Intensive Treatment Unit (ITU) in London
COVID-19 experience from an Intensive Treatment Unit (ITU) in London Open
This article will try to provide an insight into the CoViD – 19 situation in Barnet Hospital with regards to management of the hospital, disease pattern, ITU admission criteria & treatment plans, work pattern of doctors, staff safety, & a …
View article: Quantity Leadership for a Dual-Channel Supply Chain with Retail Service
Quantity Leadership for a Dual-Channel Supply Chain with Retail Service Open
In a dual-channel supply, the manufacturer sells the products by both a traditional channel via the retailer and an online channel directly. Comparing with the direct channel, the retailer may provide additional services to the traditional…