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Apr 27, 2017
Logic

The fact that closed ordered differential fields may be endowed with a fibered dimension was first proven in [BMR09]. Their definition relies on a cell decomposition theorem in CODF. Alternatively, one can obtain the same dimension function proceedi…

Strong density of definable types and closed ordered differential fie…

The following strong form of density of definable types is introduced for theories T admitting a fibered dimension function d: given a model M of T a…
Apr 13, 2011

Effects of Nonlinear Dispersion Relations on Non-Gaussianities

We investigate the effect of non-linear dispersion relations on the bispectrum. In particular, we study the case were the modified relations do not v…
Sep 30, 2010

The hidden horizon and black hole unitarity

We motivate through a detailed analysis of the Hawking radiation in a Schwarzschild background a scheme in accordance with quantum unitarity. In this…
Jul 04, 2017
Computation and Language

An empirical study on the effectiveness of images in Multimodal Neura…

In state-of-the-art Neural Machine Translation (NMT), an attention mechanism is used during decoding to enhance the translation. At every step, the d…
Jul 26, 2012

Relevance of glueball bound states in the Yang-Mills plasma within a …

The strongly coupled phase of Yang-Mills plasma with gauge group SU(3) is studied in a $T$-matrix approach. The existence of lowest-lying glueballs, …
Jan 22, 2017
Classical Analysis and ODEs

Positive subharmonic solutions to superlinear ODEs with indefinite …

We study the positive subharmonic solutions to the second order nonlinear ordinary differential equation \begin{equation*} u'' + q(t) g(u) = 0, \end{…
Dec 21, 2017
Discrete Mathematics
Combinatorics

PHOEG Helps Obtaining Extremal Graphs

Extremal Graph Theory aims to determine bounds for graph invariants as well as the graphs attaining those bounds. We are currently developping PHOE…
Jan 14, 2019
Software Engineering

On the Diversity of Software Package Popularity Metrics: An Empirical…

Software systems often leverage on open source software libraries to reuse functionalities. Such libraries are readily available through software pac…
Mar 05, 2016
Optimization and Control
Artificial Intelligence
Machine Learning

UTA-poly and UTA-splines: additive value functions with polynomial …

Additive utility function models are widely used in multiple criteria decision analysis. In such models, a numerical value is associated to each alte…
Apr 13, 2010

Einstein-Gauss-Bonnet black strings

We construct uniform black-string solutions in Einstein-Gauss-Bonnet gravity for all dimensions $d$ between five and ten and discuss their basic prop…
Jul 05, 2019
Audio and Speech Processing
Computation and Language
Machine Learning
Sound

We propose a methodology for building a system for speech synthesis that is able to control the expressiveness of speech from user control in reall time, thanks to deep learning algorithms.

A Methodology for Controlling the Emotional Expressiveness in Synthet…

In this project, we aim to build a Text-to-Speech system able to produce speech with a controllable emotional expressiveness. We propose a methodolog…
May 31, 2019
Computer Vision

Deep interpretable architecture for plant diseases classification

Recently, many works have been inspired by the success of deep learning in computer vision for plant diseases classification. Unfortunately, these en…
Jul 04, 2017
Computation and Language

Visually Grounded Word Embeddings and Richer Visual Features for Im…

In Multimodal Neural Machine Translation (MNMT), a neural model generates a translated sentence that describes an image, given the image itself and o…
Feb 09, 2018
Machine Learning

Curve Registered Coupled Low Rank Factorization

We propose an extension of the canonical polyadic (CP) tensor model where one of the latent factors is allowed to vary through data slices in a const…
Aug 12, 2019
Signal Processing
Machine Learning
Numerical Analysis
Image and Video Processing

Successive Projection Algorithm Robust to Outliers

The successive projection algorithm (SPA) is a fast algorithm to tackle separable nonnegative matrix factorization (NMF). Given a nonnegative data ma…
Sep 08, 2016
Atomic Physic

Experimental radiative lifetimes for highly excited states and calc…

This work reports new experimental radiative lifetimes and calculated oscillator strengths for transitions of astrophysical interest in singly ionize…
May 30, 2019
Machine Learning
Computer Vision
Optimization and Control

Generalized Separable Nonnegative Matrix Factorization

Nonnegative matrix factorization (NMF) is a linear dimensionality technique for nonnegative data with applications such as image analysis, text minin…
Jul 24, 2014

We have investigated the initial value formulation and PDE structure of dynamical Chern-Simons gravity. This modification of GR, motivated for example by string theory, loop-quantum gravity or cosmology, has recently attracted a lot of attention. Pr…

The Initial Value Formulation of Dynamical Chern-Simons Gravity

We derive an initial value formulation for dynamical Chern-Simons gravity, a modification of general relativity involving parity-violating higher der…
Jan 10, 2019
Optimization and Control
Numerical Analysis

On approximating the nearest Ω-stable matrix

In this paper, we consider the problem of approximating a given matrix with a matrix whose eigenvalues lie in some specific region \Omega, within the…
Jun 17, 2019
Machine Learning
Optimization and Control

A Provably Correct and Robust Algorithm for Convolutive Nonnegative …

In this paper, we propose a provably correct algorithm for convolutive nonnegative matrix factorization (CNMF) under separability assumptions. CNMF i…
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