# Viet-Hang Nguyen

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- Olivier Durand de Gevigney, Sulamita Klein, Viet-Hang Nguyen, Zoltán Szigeti
- Journal of the Brazilian Computer Society
- 2012

The graph sandwich problem for property Π is defined as follows: Given two graphs G1=(V,E1) and G2=(V,E2) such that E1⊆E2, is there a graph G=(V,E) such that E1⊆E⊆E2 which satisfies property Π? We propose to study sandwich problems for properties Π concerning orientations, such as Eulerian orientation of a mixed graph and orientation with given in-degrees… (More)

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