[1021] Polar sets and removable singularities of partial differential equations

[1022] Bases and biorthogonal systems in the spaces$C$and$L$^{1}

[1023] Local solvability of second order differential operators on nilpotent Lie groups

[1024] Entropie geometrique des feuilletages

[1025] Renewal theorems in symbolic dynamics, with applications to geodesic flows, noneuclidean tessellations and their fractal limits