142 citations
- Oak Ridge National LaboratoryUS15 papers
- University of MichiganUS10 papers
- Los Alamos National LaboratoryUS9 papers
- Louisiana State UniversityUS9 papers
- Vanderbilt UniversityUS9 papers
- The University of Texas at AustinUS7 papers
- Centre National de la Recherche ScientifiqueFR6 papers
- Observatoire de ParisFR6 papers
- University of AugsburgDE6 papers
- University of Tennessee at KnoxvilleUS6 papers
- Center for Astrophysics Harvard & SmithsonianUS5 papers
- Chinese Academy of SciencesCN5 papers
Showing 2009Show all
2 papers · 1 filter
math.CO2009★ 1 cited
Orientable embeddings and orientable cycle double covers of projective-planar graphs
M. N. Ellingham, Xiaoya Zha
In a closed 2-cell embedding of a graph each face is homeomorphic to an open disk and is bounded by a cycle in the graph. The Orientable Strong Embedding Conjecture says that every…
math.CO2009
Face-width of Pfaffian Braces and Polyhex Graphs on Surfaces
Dong Ye, Heping Zhang
A graph is Pfaffian if it has an orientation such that each central cycle (i.e. is even and has a perfect matching) has an odd number of edges directed in eith…