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1

Modeling and simulation of light focusing through an absorbing interface based on the Debye– Török–Fedorov–Nakajima framework

We develop a unified Debye–Török–Fedorov–Nakajima (DTFN) model for tight focusing across an absorbing interface, extending the Debye–Wolf/Török integrals to complex refractive indices by enforcing the...

Author: Do Trang Mai, Nguyen Quan The

Keyword: High-NA focusing absorbing interface complex refractive index Debye–Wolf integral Fedorov–Nakajima branch condition vectorial point-spread function stratified media biomedical optics

2

Developing digital economy: international experience and lessons learned for Vietnam

This study analyzes the digital economy development strategies of advanced countries such as the United States, Australia, Ja-pan, Singapore, and China, aiming to draw valuable lessons for Vietnam....

Author: Mai Duc Xuan, Vinh Vo Xuan, Cuc Nguyen Thi Thu, Luong Vo Duy

Keyword: Experience Digital Economy Digital Economic Development Vietnam

3

Harnessing the power of Artificial Intelligence (AI) in physics education in high schools: a study of teachers' perceptions and applications in Vietnam

This study investigates the potential of Artificial Intelligence (AI) to enhance the quality of physics education in Vietnamese high schools, aligning with the competency-based approach of the General...

Author: Đức Nguyễn Lâm, Phương Nguyễn Văn, Nguyên Phạm Hồng

Keyword: artificial Intelligence (AI) physics teaching high school teacher perceptions AI applications.

4

Fixed point theorems for A-contractive mappings in boundedly compact and T-orbitally compact metric spaces

In this paper we prove some fixed point theorems for map-pings satisfying an implicit contractive conditions in metric spaces. Our re-sults improve and extend some results in the literature (Garai, L....

Author: Hoc Nguyen Huu

Keyword: Boundedly compact spaces Fixed points Metric spaces $T$-orbitally compact spaces

5

Utilizing ChatGPT in English language learning at Dong Nai Technology University: perspectives, attitudes and challenges faced by EFL students

This study investigates the incorporation of ChatGPT in English as a Foreign Language (EFL) instruction at Dong Nai Technology University, emphasizing students' attitudes, perceptions, and obstacles....

Author: Phan Lam Thi

Keyword: ChatGPT EFL learning student perceptions artificial intelligence in education

6

Developing a product rating prediction model based on customer text feedback using machine learning algorithms

This study focuses on predicting product rating scores from customer text feedback. This task combines the challenges of natural language processing (NLP) with the class imbalance phenomenon commonly...

Author: Ha Dien Thi Hong

Keyword: Product rating prediction customer text feedback natural language processing (NLP) machine learning models model performance evaluation

7

Evaluation of data collection tree routing protocols for wireless sensor networks

In recent years, wireless sensor networks (WSNs) have garnered significant research attention due to their versatility in supporting a range of applications, including military surveillance,...

Author: Khôi Do Huy

Keyword: CTP Protocol routing in WSN WSN energy saving solution WSN performance CTP in mobile

8

Exploring the historical perspective of Mr. Dao Duy Anh through the memoir “Evening Reflections

The memoir Evening Reflections - Nhớ nghĩ chiều hôm, with 30 chapters, encapsulates the turbulent life of Professor Dao Duy Anh, from his departure from Quang Binh and involve-ment in political...

Author: Huong Ho Thi Lien

Keyword: Dao Duy Anh historical perspective historical research methods

9

Research on building an environmental quality monitoring management device using the Internet of Things

The paper proposes an innovative solution with a new air monitoring system that utilizes IoT technology, featuring compact, flexible, and automated nodes. This system operates without human...

Author: Ho Tuyen Thi

Keyword: Measurement monitoring control environment Internet of Things (IoT)

10

A cross-linguistic analysis of past tenses in English and Vietnamese: perceptions and common mistakes among freshmen at Vinh University

This study presents a cross-linguistic analysis of the use of past tenses in English and Vietnamese by freshmen at Vinh University. The findings reveal that students struggle to use English past...

Author: Phuong NGuyen Tran Thi, Thao Diep Le Thi, Phuong Anh Vo Thi, Lam Giang Nguyen Thi

Keyword: Cross-linguistic analysis past tenses grammar errors language transfer

Vinh University journal of science

Tạp chí khoa học Trường Đại học Vinh

ISSN: 1859 - 2228

Governing body: Vinh University

  • Address: 182 Le Duan - Vinh City - Nghe An province
  • Phone: (+84) 238.3855.452 - Fax: (+84) 238.3855.269
  • Email: vinhuni@vinhuni.edu.vn
  • Website: https://vinhuni.edu.vn

 

License: 163/GP-BTTTT issued by the Minister of Information and Communications on May 10, 2023

Open Access License: Creative Commons CC BY NC 4.0

 

CONTACT

Editor-in-Chief: Assoc. Prof., Dr. Tran Ba Tien
Email: tientb@vinhuni.edu.vn

Deputy editor-in-chief: Assoc. Prof., Dr. Phan Van Tien
Email: vantienkxd@vinhuni.edu.vn

Sub-Editor: Dr. Do Mai Trang
Email: domaitrang@vinhuni.edu.vn

Editorial assistant: Msc. Le Tuan Dung, Msc. Phan The Hoa, Msc. Pham Thi Quynh Nga, Msc. Tran Thi Thai

  • Address: 4th Floor, Executive Building, No. 182, Le Duan street, Vinh city, Nghe An province.
  • Phone: (+84) 238-385-6700 | Hotline: (+84) 97-385-6700
  • Email: editors@vujs.vn
  • Website: https://vujs.vn

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