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5 papers · 1 filter
Linear processes in high-dimension: phase space and critical properties
Iacopo Mastromatteo, Emmanuel Bacry, Jean-François Muzy
In this work we investigate the generic properties of a stochastic linear model in the regime of high-dimensionality. We consider in particular the Vector AutoRegressive model (VAR…
On the chaoticity of some tensor product weighted backward shift operators acting on some tensor product Fock-Bargmann spaces
A. Intissar
In Advances in Mathematical Physics (2011) we showed that the weighted shift acting on classical Bargmann space …
Meteorological time series forecasting based on MLP modelling using heterogeneous transfer functions
Cyril Voyant, Marie Laure Nivet, Christophe Paoli +2
In this paper, we propose to study four meteorological and seasonal time series coupled with a multi-layer perceptron (MLP) modeling. We chose to combine two transfer functions for…
Renormalized stress tensor for massive fields in Kerr-Newman spacetime
Andrei Belokogne, Antoine Folacci
In a four-dimensional spacetime, the DeWitt-Schwinger expansion of the effective action associated with a massive quantum field reduces, after renormalization and in the large mass…
Resonant excitation of black holes by massive bosonic fields and giant ringings
Yves Decanini, Antoine Folacci, Mohamed Ould El Hadj
We consider the massive scalar field, the Proca field and the Fierz-Pauli field in the Schwarzschild spacetime and we focus more particularly on their long-lived quasinormal modes.…