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Journal Articles SIAM Journal on Control and Optimization Year : 2013

Resistance-based performance analysis of the consensus algorithm over geometric graphs

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Enrico Lovisari
Federica Garin

Abstract

The performance of the linear consensus algorithm is studied by using a linear quadratic (LQ) cost. The objective is to understand how the communication topology influences this algorithm. This is achieved by exploiting the analogy between Markov chains and electrical resistive networks. Indeed, this allows us to uncover the relation between the LQ performance cost and the average effective resistance of a suitable electrical network and, moreover, to show that if the communication graph fulfills some local properties, then its behavior can be approximated by that of a grid, which is a graph whose associated LQ cost is well known.
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Dates and versions

hal-00877382 , version 1 (28-10-2013)

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Enrico Lovisari, Federica Garin, Sandro Zampieri. Resistance-based performance analysis of the consensus algorithm over geometric graphs. SIAM Journal on Control and Optimization, 2013, 51 (5), pp.3918-3945. ⟨10.1137/110857428⟩. ⟨hal-00877382⟩
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