Search Results for author: Raul Tempone

Found 7 papers, 1 papers with code

Residual Multi-Fidelity Neural Network Computing

no code implementations5 Oct 2023 Owen Davis, Mohammad Motamed, Raul Tempone

In this work, we consider the general problem of constructing a neural network surrogate model using multi-fidelity information.

Physics-informed Spectral Learning: the Discrete Helmholtz--Hodge Decomposition

no code implementations21 Feb 2023 Luis Espath, Pouria Behnoudfar, Raul Tempone

In this work, we further develop the Physics-informed Spectral Learning (PiSL) by Espath et al. \cite{Esp21} based on a discrete $L^2$ projection to solve the discrete Hodge--Helmholtz decomposition from sparse data.

Principal Component Density Estimation for Scenario Generation Using Normalizing Flows

no code implementations21 Apr 2021 Eike Cramer, Alexander Mitsos, Raul Tempone, Manuel Dahmen

We train the resulting principal component flow (PCF) on data of PV and wind power generation as well as load demand in Germany in the years 2013 to 2015.

Density Estimation Image Generation +2

Multilevel Monte Carlo with Numerical Smoothing for Robust and Efficient Computation of Probabilities and Densities

no code implementations12 Mar 2020 Christian Bayer, Chiheb Ben Hammouda, Raul Tempone

This study is motivated by the computation of probabilities of events, pricing options with a discontinuous payoff, and density estimation problems for dynamics where the discretization of the underlying stochastic processes is necessary.

Density Estimation Numerical Integration

Importance sampling for a robust and efficient multilevel Monte Carlo estimator for stochastic reaction networks

1 code implementation14 Nov 2019 Chiheb Ben Hammouda, Nadhir Ben Rached, Raul Tempone

The multilevel Monte Carlo (MLMC) method for continuous time Markov chains, first introduced by Anderson and Higham (2012), is a highly efficient simulation technique that can be used to estimate various statistical quantities for stochastic reaction networks (SRNs), and in particular for stochastic biological systems.

Numerical Analysis Numerical Analysis Computation 60H35, 60J27, 60J75, 92C40

Mean-Field Learning: a Survey

no code implementations17 Oct 2012 Hamidou Tembine, Raul Tempone, Pedro Vilanova

Most of learning algorithms for games with continuous action spaces are limited to strict contraction best reply maps in which the Banach-Picard iteration converges with geometrical convergence rate.

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