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QUBITWIRE 100 · 2026 SELECTION

Ronald de Wolf

Senior researcher at CWI and professor of theoretical computer science at the University of Amsterdam

CWI; University of Amsterdam

CWI
Netherlands · work baseIdentification checked 2026-09-19
QUBITWIRE 1002026 selectionPermanent record

Recognized for

Mathematical results on the limits of quantum query algorithms and openly available quantum-computing lecture notes, connecting rigorous analysis of computational resources with accessible explanations spanning algorithms, communication and error correction.

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QubitWire 100, 2026 selection card for Ronald de Wolf. For mathematical results on the limits of quantum query algorithms and openly available quantum-computing lecture notes, connecting rigorous analysis of computational resources with accessible explanations spanning algorithms, communication and error correction.

Ronald de Wolf
Selected for the QubitWire 100, 2026.
For mathematical results on the limits of quantum query algorithms and openly available quantum-computing lecture notes, connecting rigorous analysis of computational resources with accessible explanations spanning algorithms, communication and error correction.
https://qubitwire.com/people/2026#ronald-de-wolf

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WHY INCLUDED

A quantum-computing theorist known for mathematical limits on quantum query algorithms and an openly available set of lecture notes spanning algorithms, communication and error correction.

CWIarXiv / Journal of the ACMarXiv

De Wolf helps define how quantum speedups should be assessed. His coauthored polynomial-method paper made it possible to prove important lower bounds on quantum queries, complementing the search for faster algorithms. His lecture notes provide a broad route into the field’s mathematical foundations. Together, the research and teaching emphasize precise models, stated assumptions and meaningful comparisons with classical computation, which are essential when evaluating ambitious claims about quantum advantage.

CWIarXiv / Journal of the ACMarXiv

The work behind the recognition

Work, in context
  1. 1998

    Polynomial lower bounds for quantum queries

    With Robert Beals, Harry Buhrman, Richard Cleve and Michele Mosca, de Wolf developed a polynomial approach to proving quantum query lower bounds. The paper constrained possible quantum speedups for total Boolean functions and supplied a widely applicable analytical technique.

    Coauthor of the polynomial-method research with Beals, Buhrman, Cleve and Mosca.

    Source-supported recordarXiv / Journal of the ACM
  2. 2019

    An open quantum-computing course

    De Wolf published his Quantum Computing: Lecture Notes on arXiv, drawing on a course first drafted in 2011 and subsequently updated. The notes cover algorithms, complexity, communication and error correction, making a substantial mathematical curriculum freely accessible.

    Author and continuing reviser of the openly published quantum-computing lecture notes.

    Source-supported recordarXiv

Keep in perspective

Alphabetized under W in accordance with the author’s explicit surname guidance.

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Ronald de Wolf
Contributed to
Supported by

Polynomial lower bounds for quantum queries

Credit & limits: Coauthor of the polynomial-method research with Beals, Buhrman, Cleve and Mosca.

Read the full contribution
Contributions and their source records
ContributionEvidence & what it supportsCredit & limits
Polynomial lower bounds for quantum queries1998
Primary paperQuantum Lower Bounds by Polynomials

Authors and polynomial-method lower bounds.

Published 18 Feb 1998 · Checked 19 Sept 2026
Coauthor of the polynomial-method research with Beals, Buhrman, Cleve and Mosca.
An open quantum-computing course2019
Primary paperQuantum Computing: Lecture Notes

Open notes, subject coverage, first-course history and continuing revisions.

Published 19 Jul 2019 · Checked 19 Sept 2026
Author and continuing reviser of the openly published quantum-computing lecture notes.

Follow the evidence

3 sources

Primary papers, institutional records and attributed announcements. Each source supports the claims linked above.

  • CWIInstitutional record

    Ronald de Wolf

    Current CWI and University of Amsterdam roles; explicit instruction to alphabetize surname at W.

    Checked 19 Sept 2026
  • arXiv / Journal of the ACMPrimary paper

    Quantum Lower Bounds by Polynomials

    Authors and polynomial-method lower bounds.

    Published 18 Feb 1998 · Checked 19 Sept 2026
  • arXivPrimary paper

    Quantum Computing: Lecture Notes

    Open notes, subject coverage, first-course history and continuing revisions.

    Published 19 Jul 2019 · Checked 19 Sept 2026
QubitWire editorial · Content edition 2026-09-19.1Independent coverage. Inclusion does not imply endorsement.