Publicaciones

• Article dans une revue

Crosslinking chemistry of poly(vinylmethyl-<i>co</i>-methyl)silazanes toward low-temperature formable preceramic polymers as precursors of functional aluminium-modified Si–C–N ceramics

Diane Fonblanc, David Lopez-Ferber, Mélanie Wynn, Abhijeet Lale, Anne Soleilhavoup, Anne Leriche, Yuji Iwamoto, Fabrice Rossignol, Christel Gervais, Samuel Bernard

Crosslinking chemistry of a liquid poly(vinylmethyl-co-methyl)silazane with an alane hydride-based complex according to Si : Al ratios varying from 5 to 2.5 has been investigated in detail through the characterization of the as-obtained polymers using solid-state NMR, FT-IR and elemental analyses....

• Article dans une revue

On the consensus tracking investigation for multi-agent systems on time scale via matrix-valued Lyapunov functions

Serhii Babenko, Michael Defoort, Mohamed Djemai, Serge Nicaise

This paper is devoted to the leader–follower consensus problem for high-order multi-agent systems with inherent nonlinear dynamics evolving on an arbitrary time domain. This problem is investigated using the time scale theory. Based on this theory, some sufficient conditions are derived to...

Automatica, 2018, 97, pp.316-326. ⟨10.1016/j.automatica.2018.08.003⟩. ⟨hal-03227535⟩

• Article dans une revue

Distributed leader-follower consensus for a class of semilinear second order multi-agent systems using time scale theory

Serhii Babenko, Michael Defoort, Mohamed Djemai, Serge Nicaise

The problem of distributed leader‐follower consensus for second‐order linear multiagent systems with unknown nonlinear inherent dynamics is investigated in this paper. It is assumed that the dynamic of each agent is described by a semilinear second‐order dynamic equation on an arbitrary time scale...

International Journal of Robust and Nonlinear Control, 2018, 29 (1), pp.433-450. ⟨10.1002/rnc.4406⟩. ⟨hal-03479682⟩

• Article dans une revue

Drinfeld–Sokolov reduction in quantum algebras: canonical form of generating matrices

Dimitri Gurevich, Pavel Saponov, Dmitry Talalaev

We define the second canonical forms for the generating matrices of the Reflection Equation algebras and the braided Yangians, associated with all even skew-invertible involutive and Hecke symmetries. By using the Cayley–Hamilton identities for these matrices, we show that they are similar to their...

Letters in Mathematical Physics, 2018, 108 (10), p. 2303-2314. ⟨10.1007/s11005-018-1084-x⟩. ⟨hal-03165329⟩

• Article dans une revue

The radiative transfer equation with a nonhomogeneous reflectivity boundary condition coupled with the heat conduction equation

Luc Paquet, Hawraa Nabolsi

In this paper, we make a rigorous mathematical analysis of the radiative heating of a semitransparent body made of a glass by a black radiative source surrounding it. This requires the study of the coupling between quasi‐steady radiative‐transfer boundary value problems with nonhomogeneous...

Mathematical Methods in the Applied Sciences, 2018, 41 (13), pp.5254-5273. ⟨10.1002/mma.5077⟩. ⟨hal-03163754⟩

• Article dans une revue

A classification of totally geodesic and totally umbilical Legendrian submanifolds of (κ,μ)-spaces

Alfonso Carriazo, Veronica Martin-Molina, Luc Vrancken

We present classifications of totally geodesic and totally umbilical Legendrian submanifolds of (κ,μ)-spaces with Boeckx invariant I≤−1. In particular, we prove that such submanifolds must be, up to local isometries, among the examples that we explicitly construct

Annals of Global Analysis and Geometry, 2018, 54 (2), pp.173-185. ⟨10.1007/s10455-018-9597-1⟩. ⟨hal-03722206⟩

• Article dans une revue

Alumina Porous Ceramics Obtained by Freeze Casting: Structure and Mechanical Behaviour under Compression

Dominique Hautcoeur, Véronique Lardot, Francis Cambier, Anne Leriche, Maurice Gonon, Carmen Baudin

The aim of the work is to analyse the mechanical behaviour of anisotropic porous alumina ceramics processed by freeze casting (ice templating). The freeze cast specimens were characterised by a lamellar structure with ellipsoidal pore shape, with a size ranging from 6 to 42 µm and 13 to 300 µm for...

Ceramics, 2018, 1 (1), pp.83-97. ⟨10.3390/ceramics1010008⟩. ⟨hal-03477168⟩

• Article dans une revue

Effect of Microwave Drying, Calcination and Aging of Pt/Al2O3 on Platinum Dispersion

Xavier Auvray, Anthony Thuault

The effect of heating method employed for drying and calcination during the synthesis of 1 wt% Pt/Al 2 O 3 catalyst was investigated. Conventional heating (CH) in resistive oven and microwave heating (MW) in single mode were applied, and the Pt dispersion and Brunauer-Emmett-Teller (BET) surface...

Catalysts, 2018, 8 (9), pp.348. ⟨10.3390/catal8090348⟩. ⟨hal-04281996⟩

• Article dans une revue

Generalized harmonic morphisms and horizontally weakly conformal biharmonic maps

Elsa Ghandour, Ye-Lin Ou

Harmonic morphisms are maps between Riemannian manifolds that pull back harmonic functions to harmonic functions. These maps are characterized as horizontally weakly conformal harmonic maps and they have many interesting links and applications to several areas in mathematics (see the book [2] by...

Australian Journal of Mathematical Analysis and Applications, 2018, 464 (1), pp.924-938. ⟨10.1016/j.jmaa.2018.04.044⟩. ⟨hal-03149449⟩

• Article dans une revue

Numerical optimization of cell colonization modelling inside scaffold for perfusion bioreactor: A multiscale model

T-K. Nguyen, Olivier Carpentier, Francine Monchau, F. Chai, Jean-Christophe Hornez, Ph. Hivart

Part of clinically applicable bone graft substitutes are developed by using mechanical stimulation of flow-perfusion into cell-seeded scaffolds. The role of fluid flow is crucial in driving the nutrient to seeded cells and in stimulating cell colonization. A common numerical approach is to use a...

Medical Engineering & Physics, 2018, 57, pp.40-50. ⟨10.1016/j.medengphy.2018.04.012⟩. ⟨hal-03080599⟩