| 31. | It was the first paper containing ( correct ) results explicitly in graph theory.
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| 32. | Walikar is well known for his work in connected dominating set in graph theory.
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| 33. | In topological graph theory there are several definitions of the genus of a group.
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| 34. | Tutte s research in the field of graph theory proved to be of remarkable importance.
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| 35. | The notion in graph theory that corresponds to induced substructures is that of induced subgraphs.
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| 36. | Choudum has guided 10 PhD students in graph theory.
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| 37. | Tree decomposition is a well-known concept from graph theory.
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| 38. | The two areas that interest him most are extremal graph theory and random graph theory.
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| 39. | The two areas that interest him most are extremal graph theory and random graph theory.
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| 40. | His research interests include graph theory and flow networks.
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