Complex Approximation and Universality


Mini-Workshop at the MFO, ID 0807a,    


10.02.-16.02.2008


Oberwolfach




The MFO in summer time





Organizers:


Paul M. Gauthier, Karl-G. Grosse-Erdmann,  Raymond Mortini








                 


Participants 



Richard Aron
Frederic Bayart
George Costakis
Stephen Gardiner
Paul Gauthier
Tatevik Gharibyan Karl-G. Grosse-Erdmann Geir Arne Hjelle
Fernando Leon-Saavedra
Wolfgang Luh Raymond Mortini Jürgen Müller
Vassili Nestoridis Markus Niess
Innocent Tamptse Vagia Vlachou




The abstracts and the  programme



Monday, 11.02.2008





09.10
The opening




09.30-10.30
Universal series
Nestoridis

10.45-11.45 From polynomial approximation to universal Taylor series and back again
Müller        




14.00-15.00
Densities connected with overconvergence
Luh

15.45-16.45
Lacunary summability and analytic continuation of power series
Gharibyan

17.00-18.00
Universal Faber series
Vlachou








Tuesday, 12.02.2008







09.30-10.30 Hypercyclic operators failing the Hypercyclicity Criterion Bayart

10.45-11.45 A new method for non-supercyclicity
Leon-Saavedra




14.00-15.00 Which maps preserve universal functions?
Costakis

15.45-16.45 Universal functions on H(Bn)
Aron
17.00-18.00 Universal functions for composition operators Mortini








Wednesday, 13.02.2008







9.30-11.30 
Problem  session                              
  








afternoon
excursion









Thursday, 14.02.2008







09.30-10.30 Close universal approximants of the Riemann zeta-function
Niess
10.45-11.45 Construction versus Baire category in universality
Grosse-Erdmann




14.00-15.00 An improvement of the universality of the geometric series Nestoridis
15.45-16.45 Universal Series and Fundamental Solutions of the Laplace Equation
Tamptse

17.00-18.00 A universal solution for a quasi-linear parabolic equation occuring in aerodynamics
Gauthier








Friday, 15.02.2008











09.30-10.30 to be announced
NN

10.45-11.45 Asymptotic maximum principles for subharmonic functions Gardiner




14.00-15.00 Uniform approximation by interpolating Blaschke products
Mortini

15.45-16.45 Approximating inner functions Hjelle









Hallinstitute  in February





Institute in winter time



poster


last update: 25.01.2008