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Positivstellensatz Certificates for Non-Feasibility of Connectivity Graphs in Multi-agent Coordination

Authors:Muhammad Abubakr, Georgia Institute of Technology, United States
Egerstedt Magnus, Georgia Institute of Technology, United States
Topic:4.3 Robotics
Session:Robot Control II
Keywords: Connectivity graphs, Positivstellensatz, multi-agent robotics.

Abstract

In this paper, we discuss how to obtain certificates for thenon-feasibility of connectivity graphs arising from multi-agentformations. We summarize some previous work on connectivity graphsand their feasibility. Next, we introduce the Positivstellensatzto show how it can be used to better understand the space of allconnectivity graphs for a fixed number of vertices, which hadpreviously been understood as only a subspace of the space of allgraphs. We study one particular class of graphs and use ourmethodology to prove some more results in the feasibility ofconnectivity graphs.