"56561099"^^ . . . "Mathematics"@en . . "Ortrud R. Oellermann is a South African mathematician specializing in graph theory. She is a professor of mathematics at the University of Winnipeg."@en . . . . . . "April 2022"@en . . "Ortrud Oellermann"@en . . . . . "9425"^^ . "Ortrud Oellermann"@fr . "Ortrud R. Oellermann est une math\u00E9maticienne sud-africaine sp\u00E9cialis\u00E9e dans la th\u00E9orie des graphes. Elle est professeure de math\u00E9matiques \u00E0 l'universit\u00E9 de Winnipeg."@fr . . . . . . . . . . . . . "Gary Chartrand"@en . "Ortrud R. Oellermann is a South African mathematician specializing in graph theory. She is a professor of mathematics at the University of Winnipeg."@en . . . . . . . "University of Natal,"@en . . . . . . . "graph theory"@en . "1087248836"^^ . . "Generalized Connectivity in Graphs"@en . "Western Michigan University,"@en . . . . . . "Ortrud Oellermann"@en . . . . . . . . . . . . . "Ortrud R. Oellermann est une math\u00E9maticienne sud-africaine sp\u00E9cialis\u00E9e dans la th\u00E9orie des graphes. Elle est professeure de math\u00E9matiques \u00E0 l'universit\u00E9 de Winnipeg."@fr . . . . . "Brandon University,"@en . . "Applied and Algorithmic Graph Theory"@en . . . . . "University of Durban-Westville,"@en . "Vryheid"@en . . . "Silver British Association Medal"@en . . . "University of Winnipeg"@en . . "University of Natal,"@en . "Hall Medal"@en . "Meiring Naude Medal,"@en . . . . . . . . . . . "Ortrud Oellermann"@en . "Western Michigan University"@en . . "ly"@en . .