Enabling efficient computation on fault tolerant quantum computers

Project Information

COMFTQUA

Grant agreement ID: 190183782

DOI

10.3030/190183782

Project closed

EC signature date 16 June 2023

Start date 1 July 2023

End date 31 December 2025

Funded under

• The European Innovation Council (EIC)

Total cost

€ 4 628 617,50

EU contribution

€ 2 499 999,00

Coordinated by

BEIT SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA
Poland

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Publications

Other (8)

Quantum Circuits for High-Dimensional Absolutely Maximally Entangled States

Author(s): Berta Casas, Grzegorz Rajchel-Mieldzioć, Suhail Ahmad Rather, Marcin Płodzień, Wojciech Bruzda, Alba Cervera-Lierta, and Karol Życzkowski
Published in: arxiv [quant-ph]
Publisher: arxiv
DOI: 10.48550/ARXIV.2504.05394

Spoofing of Quantum Channels Enables Low-Rank Projective Simulation

Author(s): Timothy Heightman, Grzegorz Rajchel-Mieldzioć
Published in: arxiv [quant-ph]
Publisher: arxiv
DOI: 10.48550/ARXIV.2410.14608

Simulating high-accuracy nuclear motion Hamiltonians in discrete variable representation using Walsh-Hadamard QROM with fault-tolerant quantum computers

Author(s): Michał Szczepanik, Ákos Nagy, and Emil Żak
Published in: arxiv [quant-ph]
Publisher: arxiv
DOI: 10.48550/ARXIV.2510.19062

Quantum algorithm for solving generalized eigenvalue problems with application to the Schrödinger equation

Author(s): Grzegorz Rajchel-Mieldzioć, Szymon Pliś, and Emil Zak
Published in: arxiv [quant-ph]
Publisher: arxiv
DOI: 10.48550/ARXIV.2506.13534

Higher order tensor factorizations for block encoding vibrational and vibronic Hamiltonians

Author(s): Hirsh Kamakari, Emil Zak
Published in: arxiv [quant-ph]
Publisher: arxiv
DOI: 10.48550/ARXIV.2504.08065

Classical Simulation of Quantum CSP Strategies

Author(s): Demian Banakh, Lorenzo Ciardo, Marcin Kozik, and Jan Tułowiecki
Published in: arxiv [quant-ph]
Publisher: arxiv
DOI: 10.48550/ARXIV.2503.23206

Absolutely maximally entangled pure states of multipartite quantum systems

Author(s): Grzegorz Rajchel-Mieldzioć, Rafał Bistroń, Albert Rico, Arul Lakshminarayan, and Karol Życzkowski
Published in: arxiv [quant-ph]
Publisher: arxiv
DOI: 10.48550/ARXIV.2508.04777

Quantum Discrete Variable Representations

Author(s): Szymon Pliś, Emil Zak
Published in: arxiv [quant-ph]
Publisher: arxiv
DOI: 10.48550/ARXIV.2504.15841

Peer reviewed articles (3)

Simultaneously Optimizing Symmetry Shifts and Tensor Factorizations for Cost-Efficient Fault-Tolerant Quantum Simulations of Electronic Hamiltonians

Author(s): Konrad Deka, Emil Zak
Published in: Journal of Chemical Theory and Computation, Issue 21, 2025, ISSN 1549-9618
Publisher: American Chemical Society (ACS)
DOI: 10.1021/ACS.JCTC.4C01722

Sufficient criteria for absolute separability in arbitrary dimensions via linear map inverses

Author(s): Jofre Abellanet-Vidal, Guillem Müller-Rigat, Grzegorz Rajchel-Mieldzioć, Anna Sanpera
Published in: Reports on Progress in Physics, Issue 88, 2025, ISSN 0034-4885
Publisher: IOP Publishing
DOI: 10.1088/1361-6633/AE0CFA

Diagonal operator decomposition on restricted topologies via enumeration of quantum state subsets

Author(s): Jan Tułowiecki, Łukasz Czerwiński, Konrad Deka, Jan Gwinner, Witold Jarnicki, Adam Szady
Published in: arxiv [quant-ph], ISSN 2331-8422
Publisher: arxiv
DOI: 10.48550/ARXIV.2403.02109

Intellectual Property Rights

Other (3)

Patent: Quantum dictionaries via Walsh-Hadamard transform

Application/Publication number: US 63/646,089
Date: 2024-05-05
Applicant(s): BEIT SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA

Patent:Quantum circuit for implementing the discrete-variable representation transformation and methods for use therewith

Application/Publication number: BEIT 024P
Date: 2024-07-10
Applicant(s): BEIT SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA

Patent:QUANTUM CIRCUIT FOR SOLVING PAULI-BREIT HAMILTONIANS AND METHODS FOR USE THEREWITH

Application/Publication number: US 63/662558
Date: 2024-06-24
Applicant(s): BEIT SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA