**Preannouncement 45-th Woudschoten Conference**

With great pleasure I announce the forty-fifth Woudschoten conference of the Dutch and Flemish Scientific Computing Communities, which will be held from 30 september till 2 October 2020, at the Woudschoten Conference Centre, Zeist, The Netherlands.

In 2020 the Woudschoten conference will be held from 30 September - 2 October.

**Preannouncement 45-th Woudschoten Conference**

With great pleasure I announce the forty-fifth Woudschoten conference of the Dutch and Flemish Scientific Computing Communities, which will be held from 30 september till 2 October 2020, at the Woudschoten Conference Centre, Zeist, The Netherlands.

The conference themes are:
(1) Inverse problems and imaging
(2) Rigorous multiscale methods for partial differential equations
(3) Randomized numerical linear algebra
  
We are happy to announce that the lectures will be given by the following distinguished scientists:
(1) Inverse problems and imaging
Carola Schoenlieb University of Cambridge
Barbara Kaltenbacher Universitat Klagenfurt Austria

(2) Rigorous multiscale methods for partial differential equations
Assyr Abdulle EPFL Switserland
Yalchin Efendiev Texas A&M University US

(3) Randomized numerical linear algebra
Petros Drineas Purdue University US
Per-Gunnar Martinsson The University of Texas US

More details including the programme will be made available later. Please mark the dates in your calendar.

Organizing committee 2020:
Sorin Pop (University of Hasselt, chair), Martin van Gijzen (Technical University of Delft), Matthias Schlottbom (Twente University)and Martine Anholt (CWI, secretary)