Independence complexes and edge covering complexes via Alexander duality.
Kawamura, Kazuhiro (2011)
The Electronic Journal of Combinatorics [electronic only]
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Displaying similar documents to “Directed subgraph complexes.”
Independence complexes and edge covering complexes via Alexander duality.
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Sharp edge-homotopy on spatial graphs.
Ryo Nikkuni (2005)
Revista Matemática Complutense
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A sharp-move is known as an unknotting operation for knots. A self sharp-move is a sharp-move on a spatial graph where all strings in the move belong to the same spatial edge. We say that two spatial embeddings of a graph are sharp edge-homotopic if they are transformed into each other by self sharp-moves and ambient isotopies. We investigate how is the sharp edge-homotopy strong and classify all spatial theta curves completely up to sharp edge-homotopy. Moreover we mention a relationship...
A note on outerplanarity of product graphs
P K. Jha, G Slutzki (1991)
Applicationes Mathematicae
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