On elementary transformations of ruled surfaces.

Artikel in diesem Heft

1. Titelei
2. Global behaviour of solution branches for some Neumann problems depending on one or several parameters.
3. On elementary transformations of ruled surfaces.
4. On the completeness of eigenfunctions and associated functions of irregular multipoint eigenvalue-problems.
5. PGL (4) acts transitively on M (-1,2).
6. Effective finiteness theorems for polynomials with given discriminant and integral elements with given discriminant over finitely domains.
7. On the harmonic maps from R 1,1 to S 1,1.
8. Certaines algèbres non associatives simples définies par la transvection des formes binaires.
9. A growth bound on the partial quotients of cubic numbers.
10. Galois modules and embedding problems.
11. Decomposition of unbounded derivations into invariant and approximately inner parts.
12. Dimension sugroups of metabelian groups.
13. Primitive elements in rings of holomorphic functions.