M. Mesbahi and M. Egerstedt, Graph Theoretic Methods in Multiagent Networks, 2010.
DOI : 10.1515/9781400835355

R. Olfati-saber and R. M. Murray, Consensus Problems in Networks of Agents With Switching Topology and Time-Delays, IEEE Transactions on Automatic Control, vol.49, issue.9, pp.1520-1533, 2004.
DOI : 10.1109/TAC.2004.834113

S. Kar and J. M. Moura, Distributed Consensus Algorithms in Sensor Networks With Imperfect Communication: Link Failures and Channel Noise, IEEE Transactions on Signal Processing, vol.57, issue.1, pp.355-369, 2009.
DOI : 10.1109/TSP.2008.2007111

M. Egerstedt, S. Martini, M. Cao, K. Camlibel, and A. Bicchi, Interacting with Networks: How Does Structure Relate to Controllability in Single-Leader, Consensus Networks?, IEEE Control Systems, vol.32, issue.4, pp.66-73, 2012.
DOI : 10.1109/MCS.2012.2195411

S. Zhang, M. Cao, and M. K. , Upper and Lower Bounds for Controllable Subspaces of Networks of Diffusively Coupled Agents, IEEE Transactions on Automatic Control, vol.59, issue.3, pp.745-750, 2014.
DOI : 10.1109/TAC.2013.2275666

G. Parlangeli and G. Notarstefano, On the Reachability and Observability of Path and Cycle Graphs, IEEE Transactions on Automatic Control, vol.57, issue.3, pp.743-748, 2012.
DOI : 10.1109/TAC.2011.2168912

J. Ren, W. Wang, B. Li, and Y. Lai, Noise Bridges Dynamical Correlation and Topology in Coupled Oscillator Networks, Physical Review Letters, vol.104, issue.5, pp.58701-58702, 2010.
DOI : 10.1103/PhysRevLett.104.058701

S. Sundaram and C. N. Hadjicostis, Distributed function calculation and consensus using linear iterative strategies, IEEE Journal on Selected Areas in Communications, vol.26, issue.4, pp.650-660, 2008.
DOI : 10.1109/JSAC.2008.080507

F. Morbidi, The Laplacian Pencil and its Application to Consensus Theory, 2013.

D. Cvetkovi´ccvetkovi´c, P. Rowlinson, and S. K. Simi´csimi´c, Signless Laplacians of finite graphs, Linear Algebra and its Applications, vol.423, issue.1, pp.155-171, 2007.
DOI : 10.1016/j.laa.2007.01.009

L. Zhang, H. Jiang, and S. Guo, Cluster Anticonsensus of Multi-agent Systems Based on the Q-Theory. Discrete Dyn, Nat. Soc, 2014.

W. Ren and E. Atkins, Distributed multi-vehicle coordinated control via local information exchange, Int. J. Robust Nonlin. Contr, vol.17, pp.10-111002, 2007.
DOI : 10.1002/rnc.1147
URL : http://deepblue.lib.umich.edu/bitstream/2027.42/56082/1/1147_ftp.pdf

W. Yu, G. Chen, and M. Cao, Some necessary and sufficient conditions for second-order consensus in multi-agent dynamical systems, Automatica, vol.46, issue.6, pp.1089-1095, 2010.
DOI : 10.1016/j.automatica.2010.03.006

F. Goldberg and S. Kirkland, On the sign patterns of the smallest signless Laplacian eigenvector, Linear Algebra and its Applications, vol.443, pp.66-85, 2014.
DOI : 10.1016/j.laa.2013.07.031

A. E. Brouwer and W. H. Haemers, Spectra of graphs, 2012.
DOI : 10.1007/978-1-4614-1939-6

S. Fallat and Y. Fan, Bipartiteness and the least eigenvalue of signless Laplacian of graphs, Linear Algebra and its Applications, vol.436, issue.9, pp.3254-3267, 2012.
DOI : 10.1016/j.laa.2011.11.015

C. Altafini, Consensus Problems on Networks With Antagonistic Interactions, IEEE Transactions on Automatic Control, vol.58, issue.4, pp.935-946, 2013.
DOI : 10.1109/TAC.2012.2224251

C. Godsil and G. Royle, Algebraic graph theory, 2001.
DOI : 10.1007/978-1-4613-0163-9

P. J. Davis, Circulant Matrices, 1994.

A. E. Brouwer, A. M. Cohen, and A. Neumaier, Distance-Regular Graphs, 1989.

U. Luxburg, A tutorial on spectral clustering, Statistics and Computing, vol.21, issue.1, pp.395-416, 2007.
DOI : 10.1007/s11222-007-9033-z