Hyperplane sections and deformations.- Topologically trivial algebraic 2-vector bundles on ruled surfaces. II.- On surfaces of degree at most 2n+1 in Pn.- Commutative algebra methods and equations of regular surfaces.- On the algebraization of some complex schemes.- Two theorems of G. Gherardelli on curves simple intersection of three surfaces.- Embedded projective varieties of small invariants.- Some examples of vector bundles on the flag variety F(1,2).- Distinguished deformations of isolated singularities of plane curves.- On Zariski's uniformization theorem.- Some properties of the canonical resolutions of the 3-dimensional singularities An, Dn, En over a field of characteristic ? 2.- Factoring the Frobenius morphism of an algebraic surface.