**Research Scientist** at Berkeley Lab, California.

Computational Research Division - Department of Applied Mathematics - Scalable Solvers Group

Lawrence Berkeley National Laboratory

1 Cyclotron Road, MS 050A-3111

Berkeley, CA 94720, US

# About

I am a **Research Scientist** in the Computational Research Division at Berkeley Lab and received my PhD in Engineering Science: Computer Science (2015) at KU Leuven from which I also hold Master degrees in Mathematical Engineering (2010) and in Archaeology (2011).

My main research fields are **Applied Mathematics** and **Scientific Computing**. My research interests range from numerical linear algebra and numerical software to quantum algorithms and quantum circuit synthesis.

# Research Interests

- (Nonlinear) Eigenvalue Problems
- Numerical Linear Algebra
- Model Order Reduction
- Numerical Software
- Quantum Circuit Synthesis

# Preprints

- L. Bassman,
**R. Van Beeumen**, E. Younis, E. Smith, C. Iancu, W.A. de Jong

*Constant-depth circuits for dynamic simulations of materials on quantum computers*

arXiv:2103.07429, 2021

**R. Van Beeumen**, L. Periša, D. Kressner, C. Yang

*A flexible power method for solving infinite dimensional tensor eigenvalue problems*

arXiv:2102.00146, 2021

**R. Van Beeumen**, K.Z. Ibrahim, G.D. Kahanamoku–Meyer, N.Y. Yao, C. Yang

*Enhancing scalability of a matrix-free eigensolver for studying many-body localization*

arXiv:2012.00217, 2020

# Software

## QCLAB

QCLAB is an object-oriented MATLAB toolbox for creating and representing quantum circuits.

https://github.com/QuantumComputingLab/qclab

## QCLAB++

QCLAB++ is an object-oriented, fully templated C++ package for creating and representing quantum circuits.

https://github.com/QuantumComputingLab/qclabpp