Focus on African Diaspora Mathematics

New classes of matroids -- Isotropy groups and group topologies -- White noise analysis in the poisson space -- Skew distributions I -- Une representation non canonique du drap Brownien -- Sharp function estimates for maximal multilinear commutator of Bochner-Riesz operator -- Nonlocal boundary-value problem for partial differential equations with variable coefficients -- Contact metrics and the Weinstein conjecture -- On generalized derivations of a sigma prime ring -- Quadratic categories and Koszul resolutions -- A finite volume method for a diffusion-convection problem -- Existence results on best proximity pair for multifunctions -- Eigenvalues of matrices with prescribed submatrices -- Index