Publications related to Incidence matrix

Clustering with Multi-Layer Graphs: A Spectral Perspective

Pascal Frossard, Pierre Vandergheynst, Xiaowen Dong

Observational data usually comes with a multimodal nature, which means that it can be naturally represented by a multi-layer graph whose layers share the same set of vertices (users) with different edges (pairwise relationships). In this paper, we address ...

Institute of Electrical and Electronics Engineers2012

Whole-brain structural connectivity in temporal lobe epilepsy: a Diffusion Spectrum Imaging study

Jean-Philippe Thiran, Alessandra Griffa, Alessandro Daducci, Alia Lemkaddem, François Lazeyras

Introduction: Medial Temporal Lobe Epilepsy (mTLE) with hippocampal sclerosis is the most frequent cause of drug-resistant focal epilepsy in adults. These patients suffer from widespread subtle white matter abnormalities and abnormal functional connectivit ...

2012

A Game Theoretic Approach to Expander-based Compressive Sensing

Volkan Cevher, Sina Jafarpour

We consider the following expander-based compressive sensing (e-CS) problem: Given Φ ∈ ℝM×N (M

IEEE2011

A lower bound for algebraic connectivity based on the connection-graph-stability method

Martin Hasler, Ali Ajdari Rad, Mahdi Jalili

This paper introduces the connection-graph-stability method and uses it to establish a new lower bound on the algebraic connectivity of graphs (the second smallest eigenvalue of the Laplacian matrix of the graph) that is sharper than the previously publish ...

Elsevier2011

An Improved LP-based Approximation for Steiner Tree

Thomas Rothvoss, Laura Sanità

The Steiner tree problem is one of the most fundamental

\mathbf{NP}

-hard problems: given a weighted undirected graph and a subset of terminal nodes, find a minimum-cost tree spanning the terminals. In a sequence of papers, the approximation ratio for thi ...

Acm Order Department, P O Box 64145, Baltimore, Md 21264 Usa2010

Multicomponent wavefield characterization with a novel scanning laser interferometer

Thomas Emmanuel Blum

The in-plane component of the wavefield provides valuable information about media properties from seismology to nondestructive testing. A new compact scanning laser ultrasonic interferometer collects light scattered away from the angle of incidence to prov ...

American Institute of Physics2010

When will the zebra mussel reach Florence? A model for the spread of Dreissena polymorpha in the Arno water system (Italy)

Lorenzo Mari, Marino Gatto

The zebra mussel (Dreissena polymorpha) is a freshwater bivalve that has caused dramatic ecological and economic impacts worldwide in the last decades. Its success as ecosystem invader is mainly due to the species ability of spreading along rivers, togethe ...

2009

Early consensus in complex networks under variable graph topology

Martin Hasler, Leonidas Georgopoulos

Analysis of the linear algorithm for consensus on complex networks shows the existence of two distinct phases, the asymptotic and the transient. The network reaches the asymptotic when the components corresponding to the spectral gap eigenvalue of the weig ...

IEEE2009

Structured Eigenvalue Problems

Daniel Kressner

Most eigenvalue problems arising in practice are known to be structured. Structure is often introduced by discretization and linearization techniques but may also be a consequence of properties induced by the original problem. Preserving this structure can ...

2006

Design and characterization of a tunable polarization-independent resonant grating filter

Hans Peter Herzig

We present the design, analysis and characterization of a polarization-independent tunable resonant grating filter. Polarization independence is achieved by setting the plane of incidence parallel to the grating grooves and optimizing the fill factor to ob ...

2005

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Clustering with Multi-Layer Graphs: A Spectral Perspective

Whole-brain structural connectivity in temporal lobe epilepsy: a Diffusion Spectrum Imaging study

A Game Theoretic Approach to Expander-based Compressive Sensing

A lower bound for algebraic connectivity based on the connection-graph-stability method

An Improved LP-based Approximation for Steiner Tree

Multicomponent wavefield characterization with a novel scanning laser interferometer

When will the zebra mussel reach Florence? A model for the spread of Dreissena polymorpha in the Arno water system (Italy)

Early consensus in complex networks under variable graph topology

Structured Eigenvalue Problems

Design and characterization of a tunable polarization-independent resonant grating filter

A lower bound for algebraic connectivity based on the connection-graph-stability method

Multicomponent wavefield characterization with a novel scanning laser interferometer

Early consensus in complex networks under variable graph topology

When will the zebra mussel reach Florence? A model for the spread of Dreissena polymorpha in the Arno water system (Italy)

An Improved LP-based Approximation for Steiner Tree

Design and characterization of a tunable polarization-independent resonant grating filter

Clustering with Multi-Layer Graphs: A Spectral Perspective

Whole-brain structural connectivity in temporal lobe epilepsy: a Diffusion Spectrum Imaging study

A Game Theoretic Approach to Expander-based Compressive Sensing

Structured Eigenvalue Problems