A fixed point theorem for metric spaces

Artikel in diesem Heft

1. Titelei
2. Contents
3. Sur un problème hyperbolique faiblement non linéaire à une dimension
4. A generic property of vector fields on open surfaces
5. On some problem of Marcus
6. Sur l'application de la méthode homotopique et d'un critère d'univalence dans la classe des fonctions convexes vers l'axe imaginaire
7. On functionally complete modal algebras related to M and S4
8. Homothetic coverings of trapezoids
9. On representations of cyclic n-groups
10. Some transformations in non- -symmetric Finsler spaces
11. Characterization of polynomials in algebraic operators with constant coefficients
12. Initial value problems for ill-determined linear systems with right invertible operators
13. Remarks on convergence of sequence of point-to-set maps
14. The sum of a double system of graphs
15. Sur les sous-groupes à un paramètre du groupe semi-orthogonal
16. On weak solutions of a linear parabolic equation in a Hilbert space
17. On generalized random differential equations
18. Many-fold points of the projection of order 4 of a plane algebraic curve of order n
19. A fixed point theorem for metric spaces
20. Geometrical approach to phase transitions and singularities of lagrangian submanifolds
21. Differential groups of class D₀ and standard charts
22. The radius of convexity for certain subclass of starlike functions
23. On the dependence of temperature and density on the velocity vector field in the motion of viscid gas
24. A cubic identity and its consequences