About the Authors

Pascal Chossat
Department of Mathematics, University of Nice Sophia-Antipolis, JAD Laboratory and CNRS, Nice, France

Pascal Chossat, Olivier Faugeras
NeuroMathComp Laboratory, INRIA/ENS Paris/CNRS, Sophia-Antipolis, France

Corresponding Author

Olivier.Faugeras@sophia.inria.fr

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Contributed the concepts, the proofs, and the writing: PC OF.