New Trends in Approximation Theory

Content: Preface.-  The life and work of Andre Boivin (Gauthier, Manolaki, Mashreghi).- A note on  the density of rational functions in AY(W) (Falco, Nestoridis, Zadik).-   Approximation by entire functions in the construction of order-isomorphisms and  large cross-sections (Burke).- Approximation by solutions of elliptic equations  and extension of subharmonic functions (Gauthier, Paramonov).- Approximation in  the closed unit ball (Mashreghi, Ransford).- A Thought on Approximation by  Bi-Analytic Functions (Khavinson).- Chebyshev polynomials associated with a  system of continua (DeFrain).- Constrained L2-approximation by polynomials on  subsets of the circle (Baratchart, Leblond, Seyfert).- Extremal bounds of  Tichmuller-Wittich-Belinskii type for planar quasiregular mappings (Golberg).-  Families of Universal Taylor Series depending on a parameter (Abakumov, Muller,  Nestoridis).- Interpolation by bounded analytic functions and related questions  (Danielyan).- On two interpolation formulas for complex polynomials (Fournier,  Ruscheweyh).- Operators with simple orbital behavior (Prajitura).- Taylor  series, universality and potential theory (Gardiner).- Subharmonic images of a  convergent sequence (Gauthier, Manolaki).