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17 papers · 1 filter
Over-Parametrized Matrix Factorization in the Presence of Spurious Stationary Points
Armin Eftekhari
Motivated by the emerging role of interpolating machines in signal processing and machine learning, this work considers the computational aspects of over-parametrized matrix factor…
Accelerating jackknife resampling for the Canonical Polyadic Decomposition
Christos Psarras, Lars Karlsson, Rasmus Bro +1
The Canonical Polyadic (CP) tensor decomposition is frequently used as a model in applications in a variety of different fields. Using jackknife resampling to estimate parameter un…
FedApp: a Research Sandbox for Application Orchestration in Federated Clouds using OpenStack
Johan Ruuskanen, Haorui Peng, Alfred Åkesson +2
Multi-cluster federation is envisioned to be the next-generation cloud infrastructure, where it will play a vital part in the realization of concepts such as edge and fog computing…
Re-evaluation of of the normalised Friedmann-Lema\^ıtre-Robertson-Walker model: Implications for Hubble constant determinations
Ahmet M. Öztaş, Michael L. Smith
The description of spacetime is an fundamental problem of cosmology. We explain why the current assignments of spacetime geometries for of the Friedmann-Lema\^ıtre-Robertson-…
A look into the future of the COVID-19 pandemic in Europe: an expert consultation
Emil Nafis Iftekhar, Viola Priesemann, Rudi Balling +31
How will the coronavirus disease 2019 (COVID-19) pandemic develop in the coming months and years? Based on an expert survey, we examine key aspects that are likely to influence COV…
Comparing seven methods for state-of-health time series prediction for the lithium-ion battery packs of forklifts
Matti Huotari, Shashank Arora, Avleen Malhi +1
A key aspect for the forklifts is the state-of-health (SoH) assessment to ensure the safety and the reliability of uninterrupted power source. Forecasting the battery SoH well is i…