Computer-aided Air Traffic Management has increasingly attracted the interest of Operations Research community. This includes, among other tasks, decision support tools for detection and resolution of conflict situations on flight. Even if numerous optimization approaches have been proposed, there has been little debate towards homogenization. We s...
Published in Journal of High Energy Physics
Color-kinematics duality is a remarkable conjectured property of gauge theory which, together with double copy, is at the heart of a wealth of new developments in scattering amplitudes. So far, its validity has been verified in most cases only empirically, with limited ab initio understanding beyond tree-level. In this paper we provide initial step...
We define a new graph operator, called the weak-factor graph, which comes from the context of complex network modelling. The weak-factor operator is close to the well-known clique-graph operator but it rather operates in terms of bicliques in a multipartite graph. We address the problem of the termination of the series of graphs obtained by iterati...
An intense activity is nowadays devoted to the definition of models capturing the properties of complex networks. Among the most promising approaches, it has been proposed to model these graphs via their clique incidence bipartite graphs. However, this approach has, until now, severe limitations resulting from its incapacity to reproduce a key prop...
Published in Annual Review of Statistics and Its Application
Modern astronomy has been rapidly increasing our ability to see deeper into the Universe, acquiring enormous samples of cosmic populations. Gaining astrophysical insights from these data sets requires a wide range of sophisticated statistical and machine learning methods. Long-standing problems in cosmology include characterization of galaxy cluste...
The main result of this paper is that one cannot hear orientability of a surface with boundary. More precisely, we construct two isospectral flat surfaces with boundary with the same Neumann spectrum, one orientable, the other non-orientable. For this purpose, we apply Sunada's and Buser's methods in the framework of orbifolds. Choosing a symmetric...
Suppose that (K, ν) is a valued field, f (z) ∈ K[z] is a unitary and irreducible polynomial and (L, ω) is an extension of valued fields, where L = K[z]/(f (z)). Further suppose that A is a local domain with quotient field K such that ν has nonnegative value on A and positive value on its maximal ideal, and that f (z) is in A[z]. This paper is devot...
UNE PETITE PSYCHOLOGIE DE LA CRÉDULITÉ Cet article a été écrit pendant la polémique opposant pro-et anti-homéopathie. Plutôt que de ressasser indéfiniment les mêmes arguments et contre-arguments j'ai trouvé plus intéressant de me concentrer sur la tournure d'esprit de ceux qui croient / ne croient pas à cette médecine. J'ai essayé d'établir des lie...
In the labor economics literature, discrimination is often defined as a situation in which identically productive workers, placed in the same working conditions, are treated unequally, being assigned contracts involving in particular different hourly wage rates. In the proposed analysis, the contract theory approach is applied, contributing to expl...
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