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Le dépôt numérique grenier du savoir du Burundi est une collection de documents scientifiques produits par les chercheurs de l'Université du Burundi, y compris des mémoires, des thèses, des revues, des articles, des rapports techniques, etc. Il s'agit du dépôt institutionnel officiel de l'Université du Burundi

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Grenier du Savoir du Burundi

Recent Submissions

Etude du hamiltonien matriciel d’ordre deux dépendants du potentiel elliptique de Jacobi partiellement algébrique
(UB, IPA & ENS, 2025-06)
Nihorimbere, Patrice
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Sous la direction de : Pr Ancilla Nininahazwe
The study of partially algebraic hamiltonian operators occupies a central place in quantum mechanics. The main objective is to determine the energiy spectrum of a quantum system. Our work focuses on the construction of partially algebraic hamiltonian operator and subsequently on the determination of the necessary and sufficient conditions for the secondorder matrix Hamiltonian dependent on the Jacobi elliptic potential to be partially algebraic. The first chapter covers the generalities and basic concepts of partially algebraic Hamiltonians. In the second chapter, using the analytical method of partial solvability, I highlighted the three necessary and sufficient conditions for the second-order matrix Hamiltonian dependent on the Jacobi elliptic potential to be partially algebraic for case 𝛿 = 1. In the third and final chapter, using the same method employed in the previous chapter, I proved that the Hamiltonian described above is partially algebraic, this time for case 𝛿 = 2.
La problématique des alcoolodépendants des boissons fortement alcoolisées « Agasarabwayi » et « Inkonesere » dans la ville de Bujumbura
(UB, FLSH, 2025-10)
Uwizeyimana, Jean Claude
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Sous la direction de : Dr Sr Rosette Minani
Our research aims to perceive highly alcoholic beverages (inkonesere and agasarabwayi) in Nyakabiga, Bwiza and Buyenzi districts at City Hall of Bujumbura, Burundi. It seeks to understand the motivations and factors that influence the consumption of these drinks as well as the harmful consequences that arise in order to invent adequate strategies to cope with it and prevent consumer’s health. Despite the many consequences of drinking strongly alcoholic beverages, we emphasize strategies for combatting, prevention and awareness, that is to say, launch targeted information campaigns on the dangers of strong alcohol, including young people; then strict regulations by strengthening the laws on sale, advertising and accessibility of alcoholic beverages with high content; and finally support, therefore the development of listening, psychological monitoring and reintegration services for dependent people.
La problématique de la réintégration des réfugiés rapatriés dans la commune de Rumonge de 1972 à 2017
(UB, FLSH, 2024-09)
Niyirema, Clément
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Sous la direction du : Prof. Oscar TOYI
Since its independence, Burundi has experienced political and ethnic tensions that have repeatedly degenerated into deadly violence, resulting in significant losses of human life and property. To escape persecution, insecurity and violence in the country, a large number of Burundians have had to leave the country to settle in neighboring countries and even elsewhere. This thesis aims to study the policy of reintegration of returnees in their area of origin. It also looks at the challenges of implementing this policy. To address these challenges, the government of Burundi has set up commissions responsible for the return and reintegration of refugees, and these commissions must seek to resolve the difficulties associated with this process. The reintegration of refugees is characterized by many problems related to land conflicts that lead to a lack of arable land. The resources they have are also insufficient compared to the needs they find on site. Returnees from Rumonge commune have adapted to the situation by carrying out income-generating activities. Some practice trades such as fishing, sewing, masonry and other development projects. Refugees contribute an abundant workforce to the development of the country.
Mémoire présenté et défendu publiquement en vue de l’obtention du diplôme de Master en Economie Rurale, Sociale et Environnementale Option : Economie Rurale et Gestion des Entreprises Agroalimentaires
(UB, FSEG, 2025-12)
Nishimwe, Clémence
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Sous la direction de : Dr. Manirakiza Dismas
Agricultural organizations play a central role as collective entities managed by farmers, aiming to defend common interests, strengthen the resilience of farms, and improve household living conditions. The overall objective of this research is to evaluate the factors influencing households' decision to join agricultural cooperatives and to analyze their effects on the living conditions of cooperative members. This is a case-control study based on data collected from households in the Rumonge commune, with a sample size of 350 households, including 149 members and 201 controls. We used two econometric models: logistic regression to determine the factors influencing membership in agricultural cooperatives and ordered logistic regression to analyze the living conditions of member households. Data processing was performed using STATA 17 software. According to the logistic regression results, factors such as agricultural productivity level, access to credit, market access, and livestock numbers influence membership in agricultural cooperatives at the 1% significance level (p-value <0.001), while the age of the head of household, gender, and household size negatively influence membership. To analyze the effects on living conditions, we focused on variables explaining these conditions, such as food security, and conducted a comparative analysis. Regarding the ordered logit model, membership in agricultural cooperatives, agricultural productivity level, annual income, and livestock numbers are factors explaining the food security of rural households; therefore, members of agricultural cooperatives have a higher consumption score than non-members in the borderline and acceptable categories. Furthermore, the results of the descriptive analysis reveal that, on average, members of agricultural cooperatives generate approximately 1,742,282 Fbu higher annual incomes than non-members. Members have decent housing and easy access to basic healthcare, while there is no significant difference between members and non-members in terms of children's education and access to drinking water. Improving innovation and training in agricultural techniques, as well as public and private intervention to finance rural communities, is crucial for achieving sustainable development.
Etude de la densité, distribution, suivi et habituation du chimpanzé « pan troglodytes schweinfurthii » de la Reserve Naturelle Forestière de Bururi
(UB, FS, 2025-07)
Ntakarutimana, Méthode
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Sous la direction de : Prof. Nkengurutse Jacques
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Dr. Kakunze Alain Charles