The Thomas Stieltjes Institute for Mathematics is a Dutch research institute in mathematics and carries out research in four main areas of fundamental and applied mathematics:

• Algebra & Geometry
• Analysis
• Stochastics
• Operation Research

• University of Amsterdam (UvA)
• VU University Amsterdam (VUA)
• Delft University of Technology (TUD)
• Eindhoven University of Technology (TUE)
• Leiden University (UL)
• Tilburg University (UvT)

• the Centre for Mathematics and Computer Science (CWI) in Amsterdam
• the European Institute for the Study of Randomness (EURANDOM) in Eindhoven.

The Stieltjes Institute is a member of the European Research Centres on Mathematics (ERCOM) .

The Stieltjes Institute, founded on November 12, 1992, has a research training program for Ph.D. students and has received formal recognition as a research school (onderzoekschool) from the Royal Netherlands Academy of Sciences (KNAW).

Other Dutch research schools in mathematics:

• MRI
• EIDMA