Publications associées à Multithermal-Multibaric Molecular Simulations from a Variational Principle

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Riemannian Optimization For High-Dimensional Tensor Completion

Michael Maximilian Steinlechner

Tensor completion aims to reconstruct a high-dimensional data set where the vast majority of entries is missing. The assumption of low-rank structure in the underlying original data allows us to cast the completion problem into an optimization problem rest ...

Siam Publications2016

Random sampling of bandlimited signals on graphs

Pierre Vandergheynst, Rémi Gribonval, Gilles Puy, Nicolas Tremblay

We study the problem of sampling

k

-bandlimited signals on graphs. We propose two sampling strategies that consist in selecting a small subset of nodes at random. The first strategy is non-adaptive, \ie, independent of the graph structure, and its perform ...

2015

MATHICSE Technical Report : Riemannian optimization for high-dimensional tensor completion

Michael Maximilian Steinlechner

Tensor completion aims to reconstruct a high-dimensional data set with a large fraction of missing entries. The assumption of low-rank structure in the underlying original data allows us to cast the completion problem into an optimization problem restricte ...

MATHICSE2015

Too much success for recent groundbreaking epigenetic experiments

Gregory Francis

An article reporting statistical evidence for epigenetic transfer of learned behavior has important implications, if true. With random sampling, real effects do not always result in rejection of the null hypothesis, but the reported experiments were unifor ...

Genetics Society of America2014

On the Unique Identification of Continuous-Time Autoregressive Models From Sampled Data

Michaël Unser, John Paul Ward, Hagay Kirshner

In this work, we investigate the relationship between continuous-time autoregressive (AR) models and their sampled version. We consider uniform sampling and derive criteria for uniquely determining the continuous-time parameters from sampled data; the mode ...

Ieee-Inst Electrical Electronics Engineers Inc2014

Identification of Rational Transfer Functions from Sampled Data

Michaël Unser, John Paul Ward, Hagay Kirshner

We consider the task of estimating an operator from sampled data. The operator, which is described by a rational transfer function, is applied to continuous-time white noise and the resulting continuous-time process is sampled uniformly. The main question ...

SampTA2013

Kinematics of age mixing in advection-dispersion models

Andrea Rinaldo, Paolo Benettin, Gianluca Botter

This paper investigates age mixing processes arising in advection-dispersion models, where large-scale travel and residence time distributions can be explicitly calculated based on the underlying velocity field. In particular, we analyze spatially integrat ...

American Geophysical Union2013

Metropolis-Hastings sampling of paths

Michel Bierlaire, Gunnar Flötteröd

We consider the previously unsolved problem of sampling paths according to a given distribution from a general network. The problem is difficult because of the combinatorial number of alternatives, which prohibits a complete enumeration of all paths and he ...

2013

Random sampling of bandlimited signals on graphs

Pierre Vandergheynst, Rémi Gribonval, Gilles Puy, Nicolas Tremblay

We study the problem of sampling

k

2015

Multithermal-Multibaric Molecular Simulations from a Variational Principle

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Riemannian Optimization For High-Dimensional Tensor Completion

Shapes from Pixels

Random sampling of bandlimited signals on graphs

MATHICSE Technical Report : Riemannian optimization for high-dimensional tensor completion

Too much success for recent groundbreaking epigenetic experiments

On the Unique Identification of Continuous-Time Autoregressive Models From Sampled Data

Identification of Rational Transfer Functions from Sampled Data

Kinematics of age mixing in advection-dispersion models

Metropolis-Hastings sampling of paths

Euler-Poincare Formulation Of Hybrid Plasma Models

Metropolis-Hastings sampling of paths

Identification of Rational Transfer Functions from Sampled Data

Shapes from Pixels

Random sampling of bandlimited signals on graphs

On the Unique Identification of Continuous-Time Autoregressive Models From Sampled Data

Riemannian Optimization For High-Dimensional Tensor Completion

Too much success for recent groundbreaking epigenetic experiments

Kinematics of age mixing in advection-dispersion models

Euler-Poincare Formulation Of Hybrid Plasma Models

MATHICSE Technical Report : Riemannian optimization for high-dimensional tensor completion