Search Results - "Moriconi, Riccardo"

High-dimensional Bayesian optimization using low-dimensional feature spaces by Moriconi, Riccardo, Deisenroth, Marc Peter, Sesh Kumar, K. S.

“…Bayesian optimization (BO) is a powerful approach for seeking the global optimum of expensive black-box functions and has proven successful for fine tuning…”
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Bianchi I model as a prototype for a cyclical Universe by Montani, Giovanni, Marchi, Andrea, Moriconi, Riccardo

“…We analyze the dynamics of the Bianchi I model in the presence of stiff matter, an ultrarelativistic component and a small negative cosmological constant. We…”
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High-dimensional Bayesian optimization with projections using quantile Gaussian processes by Moriconi, Riccardo, Kumar, K. S. Sesh, Deisenroth, Marc Peter

“…Key challenges of Bayesian optimization in high dimensions are both learning the response surface and optimizing an acquisition function. The acquisition…”
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Safe learning of regions of attraction for uncertain, nonlinear systems with Gaussian processes by Berkenkamp, Felix, Moriconi, Riccardo, Schoellig, Angela P., Krause, Andreas

“…Control theory can provide useful insights into the properties of controlled, dynamic systems. One important property of nonlinear systems is the region of…”
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Behavior of the Universe anisotropy in a big-bounce cosmology by Moriconi, Riccardo, Montani, Giovanni

“…We investigate the classical and quantum behavior of a Bianchi I model in the presence of a stiff matter contribution when the Vilenkin interpretation of the…”
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WKB Approximation for the Polymer Quantization of the Taub Model by Cascioli, Valerio, Montani, Giovanni, Moriconi, Riccardo

“…We develop a suitable technical algorithm to implement a separation of the Minisuperspace configurational variables into quasi-classical and purely quantum…”
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Bianchi I model as a prototype for a cyclical Universe by Montani, Giovanni, Marchi, Andrea, Moriconi, Riccardo

“…Published in Physics Letters B Volume 777, 10 February 2018, Pages 191-200 We analyze the dynamics of the Bianchi I model in the presence of stiff matter, an…”
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High-dimensional Bayesian optimization using low-dimensional feature spaces by Moriconi, Riccardo, Deisenroth, Marc P, Kumar, K. S. Sesh

“…Bayesian optimization (BO) is a powerful approach for seeking the global optimum of expensive black-box functions and has proven successful for fine tuning…”
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Big-bounce cosmology from quantum gravity: The case of a cyclical Bianchi I universe by Moriconi, Riccardo, Montani, Giovanni, Capozziello, Salvatore

“…Phys. Rev. D 94, 023519, 2016 We analyse the classical and quantum dynamics of a Bianchi I model in the presence of a small negative cosmological constant…”
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The reparameterization trick for acquisition functions by Wilson, James T, Moriconi, Riccardo, Hutter, Frank, Deisenroth, Marc Peter

“…Bayesian optimization is a sample-efficient approach to solving global optimization problems. Along with a surrogate model, this approach relies on…”
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Semiclassical and quantum behavior of the mixmaster model in the polymer approach by Lecian, Orchidea Maria, Montani, Giovanni, Moriconi, Riccardo

“…We analyze the quantum dynamics of the Bianchi Type IX model, as described in the so-called polymer representation of quantum mechanics, to characterize the…”
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Safe Learning of Regions of Attraction for Uncertain, Nonlinear Systems with Gaussian Processes by Berkenkamp, Felix, Moriconi, Riccardo, Schoellig, Angela P, Krause, Andreas

“…Proc. of the IEEE Conference on Decision and Control (CDC), 2016, pp. 4661-4666 Control theory can provide useful insights into the properties of controlled,…”
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Chaos Removal in the $R+qR^2$ gravity: the Mixmaster model by Moriconi, Riccardo, Montani, Giovanni, Capozziello, Salvatore

“…We study the asymptotic dynamics of the Mixmaster Universe, near the cosmological singularity, considering $f(R)$ gravity up to a quadratic corrections in the…”
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Chaos removal in R + q R 2 gravity: The mixmaster model by Moriconi, Riccardo, Montani, Giovanni, Capozziello, Salvatore

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Semiclassical and quantum behavior of the Mixmaster model in the polymer approach by Lecian, Orchidea Maria, Montani, Giovanni, Moriconi, Riccardo

“…Physical Review D 88, 103511 (2013) We analyze the quantum dynamics of the Bianchi Type IX model, as described in the so-called polymer representation of…”
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