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- European Organization for Nuclear ResearchCH78 papers
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39 papers · 1 filter
Non-Uniform in Time State Estimation of Dynamical Systems
Iasson Karafyllis, Costas Kravaris
In this paper it is showed that if a time-varying uncertain system is robustly completely detectable then there exists an estimator for this system, i.e. we can estimate asymptotic…
Global Stability Results for Systems Under Sampled-Data Control
Iasson Karafyllis, Costas Kravaris
In this work sufficient conditions expressed by means of single and vector Lyapunov functions of Uniform Input-to-Output Stability (UIOS) and Uniform Input-to-State Stability (UISS…
Influence of mixing the low-valent transition metal atoms (Y,Y=Cr,Mn,Fe) on the properties of the quaternary Co[YY]Z (Z=Al,Ga,Si,Ge,Sn) Heusler compounds
K. Ozdogan, B. Aktas, I. Galanakis +1
We complement our study on the doping and disorder in CoMnZ compounds [I. Galanakis \textit{et al.}, Appl. Phys. Lett. \textbf{89}, 042502 (2006) and K. Özdogan \textit{et al.}…
Invariant Einstein metrics on some homogeneous spaces of classical Lie groups
Andreas Arvanitoyeorgos, V. V. Dzhepko, YU. G. Nikonorov
A Riemannian manifold is called Einstein if the metric satisfies the condition $\Ric (ρ)=c\cdot ρ$ for some constant . This paper is devoted to the investigation of…
Stability of strings dual to flux tubes between static quarks in N=4 SYM
Spyros D. Avramis, Konstadinos Sfetsos, Konstadinos Siampos
Computing heavy quark-antiquark potentials within the AdS/CFT correspondence often leads to behaviors that differ from what one expects on general physical grounds and field-theory…
CP and Lepton-Number Violation in GUT Neutrino Models with Abelian Flavour Symmetries
John Ellis, Mario E. Gomez, Smaragda Lola
We study the possible magnitudes of CP and lepton-number-violating quantities in specific GUT models of massive neutrinos with different Abelian flavour groups, taking into account…