papers

Publications (11)

math.NA2020

Tensor network approaches for learning non-linear dynamical laws

A. Goeßmann, M. Götte, I. Roth +3

Given observations of a physical system, identifying the underlying non-linear governing equation is a fundamental task, necessary both for gaining understanding and generating det…

math.DS2024

A quantum inspired approach to learning dynamical laws from data -- block-sparsity and gauge-mediated weight sharing

J. Fuksa, M. Götte, I. Roth +1

Recent years have witnessed an increased interest in recovering dynamical laws of complex systems in a largely data-driven fashion under meaningful hypotheses. In this work, we pro…

quant-ph2024

Noise-mitigated randomized measurements and self-calibrating shadow estimation

E. Onorati, J. Kitzinger, J. Helsen +4

Randomized measurements are increasingly appreciated as powerful tools to estimate properties of quantum systems, e.g., in the characterization of hybrid classical-quantum computat…

quant-ph2020

Quantum certification and benchmarking

J. Eisert, D. Hangleiter, N. Walk +5

Concomitant with the rapid development of quantum technologies, challenging demands arise concerning the certification and characterization of devices. The promises of the field ca…

physics.space-ph2011

Observation of relativistic electron microbursts in conjunction with intense radiation belt whistler-mode waves

K. Kersten, C. A. Cattell, A. Breneman +7

We present multi-satellite observations indicating a strong correlation between large amplitude radiation belt whistler-mode waves and relativistic electron precipitation. On separ…

cs.IT2018

Hierarchical restricted isometry property for Kronecker product measurements

I. Roth, A. Flinth, R. Kueng +2

Hierarchically sparse signals and Kronecker product structured measurements arise naturally in a variety of applications. The simplest example of a hierarchical sparsity structure…

math.NA2016

Proceedings of the third "international Traveling Workshop on Interactions between Sparse models and Technology" (iTWIST'16)

V. Abrol, O. Absil, P. -A. Absil +58

The third edition of the "international - Traveling Workshop on Interactions between Sparse models and Technology" (iTWIST) took place in Aalborg, the 4th largest city in Denmark s…

quant-ph2016

Experimentally exploring compressed sensing quantum tomography

A. Steffens, C. Riofrio, W. McCutcheon +6

In the light of the progress in quantum technologies, the task of verifying the correct functioning of processes and obtaining accurate tomographic information about quantum states…

physics.geo-ph2020

The near surface vertical atmospheric electric field abnormality could be as a promising imminent precursor of major earthquakes

T. Chen, H. Wu, X. -X. Zhang +27

A promising short term precursor of major earthquakes (EQ) is very crucial in saving people and preventing huge losses. Ez, atmospheric electrostatic field vertical component, unde…

quant-ph2023

Estimating gate-set properties from random sequences

J. Helsen, M. Ioannou, J. Kitzinger +4

With quantum computing devices increasing in scale and complexity, there is a growing need for tools that obtain precise diagnostic information about quantum operations. However, c…

physics.geo-ph2021

Hourly Warning for Strong Earthquakes

T. Chen, L. Li, X. -X. Zhang +53

A promising perspective is presented that humans can provide hourly warning for strong land earthquakes (EQs, Ms6). Two important atmospheric electrostatic signal features are desc…