592 citations
- Université de LimogesFR138 papers
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17 papers · 1 filter
The Hughes model for pedestrian dynamics and congestion modelling
Elisabetta Carlini, Adriano Festa, Francisco J. Silva
In this paper we present a numerical study of some variations of the Hughes model for pedestrian flow under different types of congestion effects. The general model consists of a c…
Efficient Solution of Parameter Dependent Quasiseparable Systems and Computation of Meromorphic Matrix Functions
Paola Boito, Yuli Eidelman, Luca Gemignani
In this paper we focus on the solution of shifted quasiseparable systems and of more general parameter dependent matrix equations with quasiseparable representations. We propose an…
Ultra-low transmission loss (7.7 dB/km at 750 nm) inhibited-coupling guiding hollow-core photonic crystal fibers with a single ring of tubular lattice cladding
B. Debord, A. Amsanpally, M. Chafer +8
The advent of photonic bandgap (PBG) guiding hollow- core photonic crystal fiber (HC-PCF) sparked the hope of guiding light with attenuation below the fundamental silica Rayleigh s…
Ekeland's inverse function theorem in graded Fréchet spaces revisited for multifunctions
Van Ngai Huynh, Michel Théra
In this paper, we present some implicit function theorems for set-valued mappings between Fréchet spaces. The proof relies on Lebesgue's Dominated Convergence Theorem and on Ekelan…
A Real QZ Algorithm for Structured Companion Pencils
Paola Boito, Yuli Eidelman, Luca Gemignani
We design a fast implicit real QZ algorithm for eigenvalue computation of structured companion pencils arising from linearizations of polynomial rootfinding problems. The modified…
Spatiotemporal Characterization of Supercontinuum Extending from the Visible to the Mid-Infrared in Multimode Graded-Index Optical Fiber
K. Krupa, C. Louot, V. Couderc +11
We experimentally demonstrate that pumping a graded-index multimode fiber with sub-ns pulses from a microchip Nd:YAG laser leads to spectrally flat supercontinuum generation with a…