Matthias Keller. Curvature, Geometry and Spectral Properties of Planar Graphs. Discrete & Computational Geometry, 46(3):500-525, 2011. [doi]
@article{Keller11, title = {Curvature, Geometry and Spectral Properties of Planar Graphs}, author = {Matthias Keller}, year = {2011}, doi = {10.1007/s00454-011-9333-0}, url = {http://dx.doi.org/10.1007/s00454-011-9333-0}, tags = {planar graph, graph-rewriting, rewriting}, researchr = {https://researchr.org/publication/Keller11}, cites = {0}, citedby = {0}, journal = {Discrete & Computational Geometry}, volume = {46}, number = {3}, pages = {500-525}, }