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Mainstream machine learning techniques such as deep learning and probabilistic programming rely heavily on sampling from generally intractable probability distributions. There is increasing interest in the potential advantages of using quantum computing technologies as sampling engines to speed up these tasks. However, some pressing challenges in… (More)

- John Realpe-Gomez, Bartosz Szczesny, Luca Dall'Asta, Tobias Galla
- ArXiv
- 2011

John Realpe-Gomez, ∗ Bartosz Szczesny, 3, † Luca Dall’Asta, 4, ‡ and Tobias Galla § Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy Theoretical Physics, School of Physics and Astronomy, The University of Manchester, Manchester M13 9PL, United Kingdom Department of Applied Mathematics, School of Mathematics, University of Leeds, Leeds… (More)

Finding the optimal assignment in budget-constrained auctions is a combinatorial optimization problem with many important applications, a notable example being the sale of advertisement space by search engines (in this context the problem is often referred to as the off-line AdWords problem). Based on the cavity method of statistical mechanics, we introduce… (More)

The scarcity of water characterising drylands forces vegetation to adopt appropriate survival strategies. Some of these generate water-vegetation feedback mechanisms that can lead to spatial self-organisation of vegetation, as it has been shown with models representing plants by a density of biomass, varying continuously in time and space. However, although… (More)

Abstract In a graphical game agents play with their neighbors on a graph to achieve an appropriate state of equilibrium. Here relevant problems are characterizing the equilibrium set and discovering efficient algorithms to find such an equilibrium (solution). We consider a representation of games that extends over graphical games to deal conveniently with… (More)

- John Realpe-Gomez, Tobias Galla, Alan J McKane
- Physical review. E, Statistical, nonlinear, and…
- 2012

We explore a class of hybrid (piecewise deterministic) systems characterized by a large number of individuals inhabiting an environment whose state is described by a set of continuous variables. We use analytical and numerical methods from nonequilibrium statistical mechanics to study the influence that intrinsic noise has on the qualitative behavior of the… (More)

We study the behaviour of charge oscillations in Superconducting Cooper Pair Boxes weakly interacting with an environment. We found that, due to the noise and dissipation induced by the environment, the stability properties of these nanodevices differ according to whether the charge oscillations are interpreted as an effect of macroscopic quantum coherence,… (More)

- Rupak Biswas, Zhang Jiang, +10 authors Zhihui Wang
- Parallel Computing
- 2017

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