Zobrazeno 1 - 10
of 67
pro vyhledávání: '"Julien Ugon"'
Autor:
Nicholas Parsons, Andrei Irimia, Anar Amgalan, Julien Ugon, Kerri Morgan, Sergiy Shelyag, Alex Hocking, Govinda Poudel, Karen Caeyenberghs
Publikováno v:
NeuroImage: Clinical, Vol 38, Iss , Pp 103428- (2023)
An emerging body of work has revealed alterations in structural (SC) and functional (FC) brain connectivity following mild TBI (mTBI), with mixed findings. However, these studies seldom integrate complimentary neuroimaging modalities within a unified
Externí odkaz:
https://doaj.org/article/0ec54d97676e49b2a406dcff63a4fca5
Autor:
Nicholas Parsons, Julien Ugon, Kerri Morgan, Sergiy Shelyag, Alex Hocking, Su Yuan Chan, Govinda Poudel, Juan F. Domìnguez D, Karen Caeyenberghs
Publikováno v:
NeuroImage, Vol 263, Iss , Pp 119659- (2022)
Background: The human brain is a complex network that seamlessly manifests behaviour and cognition. This network comprises neurons that directly, or indirectly mediate communication between brain regions. Here, we show how multilayer/multiplex networ
Externí odkaz:
https://doaj.org/article/8d27254a7ae1469a8d49a379842da5d7
Publikováno v:
Journal of Economic Structures, Vol 8, Iss 1, Pp 1-24 (2019)
Abstract Over the past decade, large-scale multi-regional input–output (MRIO) tables have advanced the knowledge about pressing global issues. At the same time, the data reconciliation strategies required to construct such MRIOs have vastly increas
Externí odkaz:
https://doaj.org/article/7b93f5b62c6a40c0aa0e1a760205a4be
Publikováno v:
Discrete Mathematics & Theoretical Computer Science, Vol DMTCS Proceedings, 28th... (2020)
this is an extended abstract of the full version. We study n-vertex d-dimensional polytopes with at most one nonsimplex facet with, say, d + s vertices, called almost simplicial polytopes. We provide tight lower and upper bounds for the face numbers
Externí odkaz:
https://doaj.org/article/709cd6da43534789b606b52c2dd09dbd
Publikováno v:
Journal of Mathematical Chemistry. 59:2049-2062
The non-isothermal analysis of materials with the application of the Arrhenius equation involves temperature integration. If the frequency factor in the Arrhenius equation depends on temperature with a power-law relationship, the integral is known as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97fa5e8a3e3e8882cc6b13cf6f3370a6
https://doi.org/10.1007/s10910-021-01273-z
https://doi.org/10.1007/s10910-021-01273-z
Publikováno v:
The Electronic Journal of Combinatorics. 29
We define two $d$-polytopes, both with $2d+2$ vertices and $(d+3)(d-1)$ edges, which reduce to the cube and the 5-wedge in dimension three. We show that they are the only minimisers of the number of edges, amongst all $d$-polytopes with $2d+2$ vertic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2e41d1ce0397246c592b2e74728f709
https://doi.org/10.37236/10374
https://doi.org/10.37236/10374
Publikováno v:
Set-Valued and Variational Analysis. 28:123-147
One of the purposes in this paper is to provide a better understanding of the alternance property which occurs in Chebyshev polynomial approximation and continuous piecewise polynomial approximation problems. In the first part of this paper, we prove
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dffe6fc66bac039c747714309b909bdc
https://doi.org/10.1007/s11228-019-00528-x
https://doi.org/10.1007/s11228-019-00528-x
Autor:
Nadezda Sukhorukova, Julien Ugon
Publikováno v:
Advances in Computational Mathematics. 48
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e980c1849ae780a1b26c998f64e91e3
https://doi.org/10.1007/s10444-021-09919-x
https://doi.org/10.1007/s10444-021-09919-x
Publikováno v:
Journal of Complex Networks. 10
In this article, we present two new concepts related to subgraph counting where the focus is not on the number of subgraphs that are isomorphic to some fixed graph $H$, but on the frequency with which a vertex or an edge belongs to such subgraphs. In
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9269d43cc12ecf124ac16b2bf2eda20e
https://doi.org/10.1093/comnet/cnab052
https://doi.org/10.1093/comnet/cnab052
Publikováno v:
Constructive Approximation. 53:529-544
We apply the methods of nonsmooth and convex analysis to extend the study of Chebyshev (uniform) approximation for univariate polynomial functions to the case of general multivariate functions (not just polynomials). First of all, we give new necessa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b15c538e8302b205d73f0c4046a0b70c
https://doi.org/10.1007/s00365-019-09488-9
https://doi.org/10.1007/s00365-019-09488-9