G
Gilles Godefroy
Researcher at Pierre-and-Marie-Curie University
Publications - 98
Citations - 4215
Gilles Godefroy is an academic researcher from Pierre-and-Marie-Curie University. The author has contributed to research in topics: Banach space & Banach manifold. The author has an hindex of 30, co-authored 97 publications receiving 3916 citations. Previous affiliations of Gilles Godefroy include University of Paris & Institut de Mathématiques de Jussieu.
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Operators with dense, invariant, cyclic vector manifolds
Gilles Godefroy,Joel H. Shapiro +1 more
TL;DR: In this paper, the authors studied a class of Banach space operators patterned after the weighted backward shifts on Hilbert space, and showed that any non-scalar operator in the commutant of one of these generalized backward shifts has a dense, invariant linear manifold whose non-zero members are cyclic vectors.
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Lipschitz-free Banach spaces
Gilles Godefroy,Nigel J. Kalton +1 more
TL;DR: In this article, it was shown that if a linear quotient map to a separable Banach space X has a Lipschitz right inverse, then it has a linear right inverse.
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Unconditional ideals in Banach spaces
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Voronoi tessellation to study the numerical density and the spatial distribution of neurones.
TL;DR: The conditions of regularity and isotropy, required by standard morphometric procedures, are generally not fulfilled in the central nervous system (CNS) where cells are distributed in a highly complex manner.