《图的因子和匹配可扩性》讲述了：Graph theory is one of the branches of modern mathematics which has shown impressive ad vances in recet years.An explosive growth of graph theory is witnessed due to its essential roles providing structural and indispens-able tools in computer science,communication networks and combinatorial optimization problems.

Dr.Yu is a professor in the Department of Mathematics and Statistics at the Thompson Rivers University of Canada.His research interests include graph theory and combinatorial optimization.

Dr.Liu is a professor in the School of Mathematics at Shandong University of China.Her research interests include graph theory and matroid theory.