Gradient systems of closed operators

Artikel in diesem Heft

1. Periodic harmonic functions on lattices and points count in positive characteristic
2. Co-fibered products of algebraic curves
3. The divisible radical of a group
4. Ring elements as sums of units
5. Complete classification of spatial surfaces with parallel mean curvature vector in arbitrary non-flat pseudo-Riemannian space forms
6. The incidence class and the hierarchy of orbits
7. On compact holomorphically pseudosymmetric Kählerian manifolds
8. A lower bound for the error term in Weyl’s law for certain Heisenberg manifolds, II
9. Representation and duality for Hilbert algebras
10. A generalization of peripherally-multiplicative surjections between standard operator algebras
11. Gradient systems of closed operators
12. Approximating real Pochhammer products: a comparison with powers
13. Functional a posteriori error estimates for incremental models in elasto-plasticity
14. Fixed point results for multivalued contractions on ordered gauge spaces
15. Two fixed point theorems for generalized contractions with constants in complete metric space
16. Statistical approximation to Bögel-type continuous and periodic functions
17. Approximation by the Bézier variant of the MKZ-Kantorovich operators in the case α < 1
18. Lacunary equi-statistical convergence of positive linear operators
19. Erratum to “Tchebotaröv’s extremal problem”