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On the realisations of finite metric spaces by graphs

Sacha Varone
2000
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Graph Chatbot

Sacha Varone
2000
Theses

Source officielle

Publications associées (24)

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https://infoscience.epfl.ch/entities/publication/37e2a248-c1aa-4f1d-ad4a-c438d94c490d

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Publications associées (24)

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Voxel-Wise Brain Graphs From Diffusion MRI: Intrinsic Eigenspace Dimensionality and Application to Functional MRI

Anjali Bagunu Tarun, Hamid Behjat

Goal: Structural brain graphs are conventionally limited to defining nodes as gray matter regions from an atlas, with edges reflecting the density of axonal projections between pairs of nodes. Here we explicitly model the entire set of voxels within a brai ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2025

Discrete groups of packed, non-positively curved, Gromov hyperbolic metric spaces

Nicola Cavallucci

We prove a quantitative version of the classical Tits' alternative for discrete groups acting on packed Gromov-hyperbolic spaces supporting a convex geodesic bicombing. Some geometric consequences, as uniform estimates on systole, diastole, algebraic entro ...

Springer2024

Graph Powering and Spectral Robustness

Emmanuel Abbé

Spectral algorithms, such as principal component analysis and spectral clustering, rely on the extremal eigenpairs of a matrix A. However, these may be uninformative without preprocessing A with a proper transformation. The reason is that the spectrum of A ...

SIAM PUBLICATIONS2020