Mahouton Norbert Hounkonnou

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Malaria remains endemic in tropical areas, especially in Africa. For the evaluation of new tools and to further our understanding of host-parasite interactions, knowing the environmental risk of transmission--even at a very local scale--is essential. The aim of this study was to assess how malaria transmission is influenced and can be predicted by local(More)
We investigate the two-dimensional Aharonov-Bohm operator Hc0,β = (−i∇−A) − βδ(. − Γ), where Γ is a smooth loop and A is the vector potential which corresponds to Aharonov-Bohm potential. The asymptotics of negative eigenvalues of Hc0,β for β −→ +∞ is found. We also prove that for large enough positive value of β the system exhibits persistent currents.
We report on a study of the superconducting order parameter thermodynamic fluctuations in YBa_{2}Cu_{3}O_{7-δ},Bi_{2}Sr_{2}CaCu_{2}O_{8+δ}, and KOs_{2}O_{6} compounds. A nonperturbative technique within the framework of the renormalized Gaussian approach is proposed. The essential features are reported (analytically and numerically) through Ginzburg-Landau(More)
Using the theory of self-adjoint extensions, we study the relativistic spectral properties of the Landau operator with δ and δ′ interactions on a cylinder of radius R for a charged spin particle system, formally given by the Hamiltonian HG B = (p−A)1 + σ.B + GV (r), ( V (r) = δ(R − r) or V (r) = δ′(R − r) ) , acting in L2(IR) ⊗ l C. G a scalar 2× 2 real(More)