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A note on matchings and regularity of graphsLet G be a simple graph. We introduce the notion of comb-match(G), and prove that reg(I(G)) ⩽ comb-match(G)+1. This improves some known bounds. Author: Ha Dao Thi Thanh Keyword: Regularity Edge ideal Matching Cameron-Walker graph.
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AID OF THE GERMANY DEMOCRATIC REPUBLIC FOR THE RECONSTRUCTION OF VINH CITY, NGHE AN PROVINCE FROM 1973 TO 1980From 1973 to 1980, responding to the call of the government of the Democratic Republic of Vietnam, the Germany Democratic Republic provided aid for reconstruction, creating fundamental changes in the... Author: Cuong Le The, Thanh Luong Van Keyword: AID Germany Democratic Republic Democratic Republic of Vietnam Vinh city 1973-1980.
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A study on machine learning-based approaches for early detection of Parkinson’s diseaseParkinson’s disease (PD) is a progressive neurodegenerative disorder characterized by the gradual loss of dopaminergic neurons in the brain, leading to both motor and non-motor symptoms. This study... Author: Huong Tran Thi Keyword: Parkinson’s Disease Early Diagnosis Machine Learning XGBoost Random Forest Clinical Data Analysis
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Indian-Vietnamese cultural acculturation: a perspective from goddess worshipIndia is one of the earliest civilizations in human history and has exerted a profound influence on Southeast Asian cultures, including that of Vietnam. The process of cultural acculturation between... Author: Hoa Nguyễn Hoàng, Duy Nguyen Văn Keyword: Cultural acculturation goddess worship Vietnamese culture Indian culture
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Exploiting football free-kick situations in physics teachingThis paper presents a study on exploiting free-kick situations in football to support physics teaching through the use of video analysis software. Based on theoretical foundations of context-based... Author: HAI TUONG DUY, Phong Nguyen Khac, Diem Quynh Tran Thi, Trang Dang Ngoc Keyword: Free kick in football video analysis physics education kinematics competency-based learning.
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Oroxylin A, as a potential inhibitor of rheumatoid arthritis: in silico experiment based on network pharmacology and molecular dockingOroxylin A is a potential inhibitory compound that could be applied to treat rheumatoid arthritis (RA). Rheumatoid arthri-tis is a chronic, systemic autoimmune disease that can lead to joint damage,... Author: Nguyen Thuy Tram Thi, Cao Minh Chau Hoang, Ngu Tra Giang Thi, Thuy Phan Thi Keyword: Oroxylin A Rheumatoid arthritis network pharmacology molecular docking.
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Enhancing network performance with improved random early detectionCongestion has become an important issue affecting the per-formance of network systems. Active Queue Management (AQM) algorithms are crucial in ensuring network stability. The first active queue... Author: Dien Vu Van Keyword: Active queue management congestion average queue size RED threshold.
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Ill-posedness and stability es-timate for the heat equation backward in time with Dirichlet and integral boundary condi-tionsIn this paper, we first prove that the heat equation backward in time with Dirichlet and integral boundary conditions is an ill-posed problem. Then, we establish a stability estimate of Hölder type... Author: Duc Duc Van, Linh Phan Hoai Keyword: Heat equation backward stability estimate ill-posed problem.
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A proof of the factorial approximation via the exponential distributionThe factorial of a natural number n, denoted n!, is defined as the product of natural numbers from 1 to n. This is a familiar concept to students. Although this concept is defined simply, the function... Author: Phan Tuyet Thi, Pham Dung Tien, Ho Duc Cong Manh, Nguyen Ha Hoang, Nguyen Trang Thi Thuy, Dang Tuan Viet Keyword: Exponential distribution Gamma distribution factorial approximation
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Applying PDCA model in managing Mathematics teaching activities in primary schools towards developing students' capacity - some theoretical issuesThe PDCA (Plan - Do - Check - Act) model is widely applied in quality management and can be adapted to suit educational settings, particularly in improving teaching quality and fostering student... Author: Hà Đỗ Thị Keyword: PDCA model mathematics teaching activities primary school student competencies management of mathematics teaching activities
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