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- Université Toulouse III - Paul SabatierFR936 papers
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47 papers · 1 filter
Some remarks on the size of tubular neighborhoods in contact topology and fillability
Klaus Niederkrüger, Francisco Presas
The well-known tubular neighborhood theorem for contact submanifolds states that a small enough neighborhood of such a submanifold N is uniquely determined by the contact structure…
Kernel Inverse Regression for spatial random fields
Jean-Michel Loubes, Anne-Françoise Yao
In this paper, we propose a dimension reduction model for spatially dependent variables. Namely, we investigate an extension of the \emph{inverse regression} method under strong mi…
Non parametric estimation of the structural expectation of a stochastic increasing function
Jean-François Dupuy, Jean-Michel Loubes, Elie Maza
This article introduces a non parametric warping model for functional data. When the outcome of an experiment is a sample of curves, data can be seen as realizations of a stochasti…
The solar Julia sets of basic quadratic Cremer polynomials
A. Blokh, X. Buff, A. Chéritat +1
In general, little is known about the exact topological structure of Julia sets containing a Cremer point. In this paper we show that there exist quadratic Cremer Julia sets of pos…
On the total order of reducibility of a pencil of algebraic plane curves
Laurent Busé, Guillaume Chèze
In this paper, the problem of bounding the number of reducible curves in a pencil of algebraic plane curves is addressed. Unlike most of the previous related works, each reducible…
Estimation of the instantaneous volatility
A. Alvarez, F. Panloup, M. Pontier +1
This paper is concerned with the estimation of the volatility process in a stochastic volatility model of the following form: , where denotes the log-price…