Description
Leader of the group Algorithms and Complexity: Harry Buhrman.
Our research group designs software for the computing technology of the future, especially quantum computing. Based on the laws of quantum mechanics, which tell us that systems and particles can be in multiple states at once, quantum computing is radically different from computing as we know it. Our quantum software requires fundamentally different techniques and approaches based on superposition, interference and entanglement. Ultimately, our research will result in better, faster and more reliable computer systems for society. Our research group is involved in QuSoft, the new Dutch research centre for quantum software.
News
All quantum communication involves nonlocality
Researchers of CWI, Gdansk University, Gdansk University of Technology, Adam Mickiewicz University and the University of Cambridge have proven that quantum communication is based on nonlocality. They show that whenever quantum communication is more efficient than classical communication, it must be possible to find a nonlocal correlation somewhere.
QuSoft in the media
On 3 December 2015 the new QuSoft research center for quantum software was launched during the CWI Lectures 2015 event. It is a joint initiative of CWI, UvA and VU, and will be located at Amsterdam Science Park.
QuSoft research center for quantum software launched
Today, on 3 December 2015 QuSoft, the first research center dedicated to quantum software, is launched. It is a joint initiative of CWI, UvA and VU, and will be located at Amsterdam Science Park.
Christian Schaffner receives Vidi grant for quantum cryptography
The Netherlands Organisation for Scientific Research (NWO) has awarded a Vidi grant to Christian Schaffner (UvA/CWI) for his research on quantum cryptography. Schaffner is affiliated with the University of Amsterdam's Institute of Logic, Language and Computation (ILLC) and also has a part-time agreement at the Algorithms & Complexity research group at CWI.
Current events
4th QSC General Assembly
- 2020-06-12T14:00:00+02:00
- 2020-06-12T17:30:00+02:00
4th QSC General Assembly
Start: 2020-06-12 14:00:00+02:00 End: 2020-06-12 17:30:00+02:00
Everyone is welcome to attend the 4th General Assembly of the Quantum Software Consortium (QSC). This Quantum program is part of the Networks Scientific Conference; all information can be found on the website. This track is about network phenomena in quantum information science, a field whose main aim is to explore computational and information-theoretic aspects of quantum mechanics. Key examples include quantum algorithms for classical problems, for instance to study large graphs, networks of quantum systems, where strange interactions connect nodes of separated quantum systems, communication networks featuring quantum-enhanced channels or channels for transmitting quantum information itself, and computational complexity theory under the presence of quantum devices and agents.
These topics enjoy lively interactions with a broad range of mathematical areas, including combinatorics, functional analysis, algebra and probability. Some of the state of the art on these themes will be presented by world experts.
Registration is free but required: https://www.networks2020.nl/registration/
- Web
- Email: Doutzen Abma
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iCal
Members
Associated Members
- Joran van Apeldoorn
- Simon Apers
- Sébastian de Bone
- Jean-Sébastien Caux
- Arjan Cornelissen
- Jan Czajkowski
- Bas Dirkse
- Yfke Dulek
- Mark Golden
- Jonas Helsen
- Erik van Heumen
- Joris Kattemölle
- Ian Marshall
- Harold Nieuwboer
- Maris Ozols
- Christian Schaffner
- Jana Sotakova
- Leen Torenvliet
- Michael Walter
- Jordi Weggemans
- Freek Witteveen
Publications
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Arunachalam, S, Chakraborty, S, Koucky, M, Saurabh, N, & de Wolf, R.M. (2020). Improved bounds on Fourier entropy and min-entropy. In Proceedings of the 37th International Symposium on Theoretical Aspects of Computer Science, STACS 2020. doi:10.4230/LIPIcs.STACS.2020.45
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van Apeldoorn, J.T.S. (2020, February 6). A quantum view on convex optimization. ILLC Dissertation Series.
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Bannink, T.R. (2020, January 30). Quantum and stochastic processes. ILLC Dissertation Series.
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Groenland, K.L. (2020, January 17). Quantum protocols for few-qubit devices. ILLC Dissertation Series.
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van Apeldoorn, J.T.S, Gilyén, A.P, Gribling, S.J, & de Wolf, R.M. (2020). Convex optimization using quantum oracles. Quantum, 4. doi:10.22331/q-2020-01-13-220
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Alagic, G, Majenz, C, Russell, A, & Song, F. (2020). Quantum-secure message authentication via blind-unforgeability. In EUROCRYPT.
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Chakraborty, S, Gilyén, A.P, & Jeffery, S. (2019). The power of block-encoded matrix powers: Improved regression techniques via faster Hamiltonian simulation. In International Colloquium on Automata, Languages, and Programming (pp. 33:1–33:14). doi:10.4230/LIPIcs.ICALP.2019.33
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Aharonov, D, & Grilo, A. (2019). Stoquastic PCP vs. randomness. In Proceedings of FOCS (pp. 1000–1023). doi:10.1109/FOCS.2019.00065
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Sinha, M, & de Wolf, R.M. (2019). Exponential separation between quantum communication and logarithm of approximate rank. In Proceedings of FOCS (pp. 966–981). doi:10.1109/FOCS.2019.00062
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Briët, J, Dvir, Z, & Gopi, S. (2019). Outlaw distributions and locally decodable codes. Theory of Computing, 15(12), 1–24. doi:10.4086/toc.2019.v015a012
Current projects with external funding
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Quantum Algorithms in a Practical Setting ()
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Quantum Computation with Bounded Space ()
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Quantum time-space tradeoff lower bounds ()
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Algorithms, protocols and applications for small qubits systems
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Realization of Quantum Computing Applications at Bosch
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CIFAR grant Quantum Information Science (CIFAR)
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Taming Quantum Adversaries (None)
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Quantum Computing (PPS ABN AMRO Bank)
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Quantum Software Consortium (QSC)
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Quantum algorithms and applications (QuantAlgo)
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Research centre for quantum software (QUSOFT)
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WISE Women In Science Excel (WISE)
Related partners
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ABN AMRO Bank
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Bosch Foundation
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Robert Bosch GmbH
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CIFAR
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Technische Universiteit Delft
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Universiteit Leiden
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Universiteit van Amsterdam
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Vrije Universiteit Amsterdam