cwi today



Picture of Europe with light beams.

Centrum Wiskunde & Informatica (CWI) is the national research institute for mathematics and computer science in the Netherlands. We conduct pioneering research in these fields and transfer our results to society.


To give focus to our efforts, we concentrate on five broad, societally-relevant themes:

Mathematics and computer science research are the invisible driving forces behind innovation. CWI contributes by:

The institute also plays a central role in several (inter)national programs and organizations.

news & events


Computer Tomography

PhD student Daniƫl Pelt of CWI has developed new algorithms for computer tomography (CT) for fast computation of high-quality three-dimensional images. This increases the practical use of this technology in areas such as material sciences and biomedical research.

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On 25 April 2016 the first national top level domain, .nl, celebrated its 30th anniversary. On 25 April 1986 CWI took care of registering the NL top level domain in the framework of its international and national networking activities. This first country domain was registered by Piet Beertema (CWI), who played a central role within EUnet - predecessor of the open European Internet, together with Teus Hagen, Jaap Akkerhuis and others. The first domain Piet Beertema registered was