Planar graphs; geometric and topological aspects of graph theory (msc 05C10), Graphs and linear algebra (matrices, eigenvalues, etc.) (msc 05C50)
Louis-Jean
Annales de l'Institut Fourier
Symposium -- louis-jean
Probability, Networks and Algorithms

Lovász, L, & Schrijver, A. (1999). On the null space of a Colin de Verdière matrix. Annales de l'Institut Fourier, 49(3), 1017–1026.