About the Journal

HNUE Journal of Science: Natural Sciences (HNUEJS.NS) has the international standard series number ISSN: 2354-1059, publish original research in natural sciences and engineering including mathematics, biology, chemistry, informatics, geographics and physics. This journal is indexed by the State Council for Professor of Vietnam for publications in Biology , Geography,  Physics and Chemistry as 0.75/1.0 points, and  0.5/1.0 points for publications in Mathematics and Information Technology. HNUEJS.NS  publishes quarterly in March, June, September and December.

 

Current Issue

Volume 70, Issue 4, 2025: Natural Sciences
View Volume 70, Issue 4, 2025: Natural Sciences
Published: 31-12-2025

Cover & Toc

Articles

  • BUILDING A VIETNAMESE MATH CHATBOT BASED ON RAG AND LLM: SYSTEM DESIGN, IMPLEMENTATION AND EXPERIMENTAL EVALUATION

    Pham Van Khanh, Pham Vu Anh Tuan
    43-56
    DOI: https://doi.org/10.18173/2354-1059.2025-0053

  • MICROSATELLITE HYBRID STRUCTURE USING ALUMINUM 7075-T6 AND CFRP FOR IMPROVED LAUNCH PERFORMANCE SURVIVABILITY

    Nguyen Thuy Linh, Nguyen Cong Thai, Le Xuan Huy, To Anh Duc
    57-67
    DOI: https://doi.org/10.18173/2354-1059.2025-0054

  • ON BALANCING NUMBERS BY THE MATRIX METHOD

    Luu Ba Thang, Phan Hoang Lam
    3-10
    DOI: https://doi.org/10.18173/2354-1059.2025-0049

  • ROOTS OF COMPLEX HARMONIC POLYNOMIALS IN ONE VARIABLE

    Dinh Thi Quynh Lien
    11-17
    DOI: https://doi.org/10.18173/2354-1059.2025-0050

  • OPTIMAL ATTENUATION CONTROL OF 2-D POSITIVE ROESSER SYSTEMS WITH BOUNDED DISTURBANCES

    Mai Thi Hong
    18-31
    DOI: https://doi.org/10.18173/2354-1059.2025-0051

  • DIFFERENTIAL VARIATIONAL INEQUALITIES VIA THE EXTENDED LASALLE’S INVARIANCE PRINCIPLE APPROACH

    Hoang Mai Huong, Nguyen Thi Nhung
    32-42
    DOI: https://doi.org/10.18173/2354-1059.2025-0052
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