Riemannian Consensus for Manifolds with Bounded Curvature

Details Riemannian Consensus for Manifolds with Bounded Curvature Riemannian Consensus for Manifolds with Bounded Curvature

2012-01-31

arxiv.org/abs/1202.0030v1

Mathematics

Dynamical Systems

Scientific paper

Consensus algorithms are popular distributed algorithms for computing aggregate quantities, such as averages, in ad-hoc wireless networks. However, existing algorithms mostly address the case where the measurements lie in a Euclidean space. In this work we propose Riemannian consensus, a natural extension of the existing averaging consensus algorithm to the case of Riemannian manifolds. Unlike previous generalizations, our algorithm is intrinsic and, in principle, can be applied to any complete Riemannian manifold. We characterize our algorithm by giving sufficient convergence conditions on Riemannian manifolds with bounded curvature and we analyze the differences that rise with respect to the classical Euclidean case. We test the proposed algorithms on synthetic data sampled from manifolds such as the space of rotations, the sphere and the Grassmann manifold.

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