Alexander Nietner

Freie Universität Berlin — Germany

Computer Science · Physical Sciences

5h-index87citations19works2.82yr avg
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Research Topics

Quantum Computing Algorithms and Architecture(8), Machine Learning and Algorithms(7), Quantum many-body systems(6), Quantum, superfluid, helium dynamics(4), Quantum Information and Cryptography(3)

Publications19 total

A measurement-driven quantum algorithm for SAT: Performance guarantees via spectral gaps and measurement parallelization
arXiv (Cornell University)·2025Open Access
On the average-case complexity of learning output distributions of quantum circuits
Quantum·2025· 4 citedOpen Access
Interactive proofs for verifying (quantum) learning and testing
arXiv (Cornell University)·2024Open Access
Local integrals of motion and the stability of many-body localization in Wannier-Stark potentials
Physical review. B./Physical review. B·2024· 7 cited
Hamiltonian truncation tensor networks for quantum field theories
arXiv (Cornell University)·2023· 1 citedOpen Access
Unifying (Quantum) Statistical and Parametrized (Quantum) Algorithms
arXiv (Cornell University)·2023· 2 citedOpen Access
One <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>T</mml:mi></mml:math> Gate Makes Distribution Learning Hard
Physical Review Letters·2023· 27 citedOpen Access
Classical Verification of Quantum Learning
arXiv (Cornell University)·2023· 2 citedOpen Access
Free Fermion Distributions Are Hard to Learn
arXiv (Cornell University)·2023· 1 citedOpen Access
On the average-case complexity of learning output distributions of quantum circuits
arXiv (Cornell University)·2023· 2 citedOpen Access
Data underpinning "Local integrals of motion and the stability of many-body localisation in disorder-free systems"
2022· 1 citedOpen Access
Data underpinning "Local integrals of motion and the stability of many-body localisation in disorder-free systems"
Zenodo (CERN European Organization for Nuclear Research)·2022Open Access
Local integrals of motion and the stability of many-body localisation in Wannier-Stark potentials
arXiv (Cornell University)·2022· 3 citedOpen Access
Tensor types and their use in physics
arXiv (Cornell University)·2022Open Access
A route towards engineering many-body localization in real materials
arXiv (Cornell University)·2022· 1 citedOpen Access
A single $T$-gate makes distribution learning hard
arXiv (Cornell University)·2022· 5 citedOpen Access
Learnability of the output distributions of local quantum circuits
arXiv (Cornell University)·2021· 4 citedOpen Access
Efficient variational contraction of two-dimensional tensor networks with a non-trivial unit cell
Quantum·2020· 21 citedOpen Access
Composite symmetry-protected topological order and effective models
Physical review. B./Physical review. B·2017· 6 citedOpen Access

Frequent Co-authors

Jens Eisert(11), Marcel Hinsche(7), Ryan Sweke(7), Marios Ioannou(5), Jonas Haferkamp(5), A. Kshetrimayum(5), Christian Bertoni(4), S. J. Thomson(4), Yihui Quek(3), Dominik Hangleiter(3), Jean‐Pierre Seifert(3), Marios Ioannou(2), Richard Kueng(2), Jens Eisert(2), J. Eisert(2), C. Matthias(2), Bram Vanhecke(1), Frank Verstraete(1), Laurens Vanderstraeten(1), Christian Krumnow(1)