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Spanning trees whose reducible stems have a few branch vertices |
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| Authors: | Ha Pham Hoang Hanh Dang Dinh Loan Nguyen Thanh Pham Ngoc Diep |
| Affiliation: | 1.Department of Mathematics, Hanoi National University of Education, 136 XuanThuy Str., Hanoi, Vietnam ;2.Department of Mathematics, Hanoi Architectural University, Km10 NguyenTrai Str., Hanoi, Vietnam ;3.Institute of Mathematics, Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam ;4.Nguyen Hue High School for Gifted Students, 560B QuangTrung Str., HaDong Distr., Hanoi, Vietnam ; |
| Abstract: | Czechoslovak Mathematical Journal - Let T be a tree. Then a vertex of T with degree one is a leaf of T and a vertex of degree at least three is a branch vertex of T. The set of leaves of T is... |
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