Vol. 10 Num. 2, 1997
Benjamin FINE, Gerhard ROSENBERGER, and Michael STILLE
Conjugacy pinched and cyclically pinched one-relator groups
Ronan QUAREZ
The Artin conjecture for
Q
-algebras
Peter TURBEK
The full automorphism group of the Kulkarni surface
Francesco ZUCCONI
A note on a theorem of Horikawa
Jorge MÚJICA
Separable quotients of Banach spaces
Manuel VALDIVIA
Some properties of basic sequences in Banach spaces
Hartmut EHRIG, Hans-Jörg KREOWSKI, and Fernando OREJAS
Correctness of horizontal and vertical composition for implementation concepts based on constructors and abstractors
Felice RONGA, Alberto TOGNOLI, and Thierry VUST
The number of conics tangent to five given conics: the real case
David SINGERMAN and Paul WATSON
Non-maximal cyclic group actions on compact Riemann surfaces
Haïm BREZIS and Juan Luis VÁZQUEZ
Blow-up solutions of some nonlinear elliptic problems
Peter LINDQVIST and Juan MANFREDI
Note on
¥
-superharmonic functions
Jacques-Louis LIONS and Enrique ZUAZUA
The cost of controlling unstable systems: time irreversible systems