Researcher Page

사진

Oum, Sang-il (엄상일) C-1692-2011

Department
Department of Mathematical Sciences(수리과학과)
Co-author
Collaboration Network Collaboration Network
Website
http://mathsci.kaist.ac.kr/~sangil/HomePage
Research Area
Combinatorics, discrete mathematic, Graph theory, matroid theory, Structural graph theory and related problems

Keyword Cloud

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1

Even-cycle decompositions of graphs with no odd-K-4-minor

Huynh, Tony; Oum, Sang-ilresearcher; Verdian-Rizi, MaryamACADEMIC PRESS LTD- ELSEVIER SCIENCE LTDEUROPEAN JOURNAL OF COMBINATORICS, v.65, pp.1 - 14, 2017-10

2

Majority colourings of digraphs

Kreutzer, S; Oum, SIresearcher; Seymour, P; van der Zypen, D; Wood, DRAustralian National University ccc@anu.edu.auElectronic Journal of Combinatorics, v.24, no.2, 2017-05

3

CLASSIFICATION OF REAL BOTT MANIFOLDS AND ACYCLIC DIGRAPHS

Choi, Suyoung; Masuda, Mikiya; Oum, Sang-ilresearcherAMER MATHEMATICAL SOCTRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY, v.369, no.4, pp.2987 - 3011, 2017-04

4

Coloring graphs without fan vertex-minors and graphs without cycle pivot-minors

Choi, Ilkyoo; Kwon, O-Joung; Oum, Sang-ilresearcherACADEMIC PRESS INC ELSEVIER SCIENCEJOURNAL OF COMBINATORIAL THEORY SERIES B, v.123, pp.126 - 147, 2017-03

5

Dynamic coloring of graphs having no K-5 minor

Kim, Younjin; Lee, Sang June; Oum, Sang-ilresearcherELSEVIER SCIENCE BVDISCRETE APPLIED MATHEMATICS, v.206, pp.81 - 89, 2016-06

6

Unavoidable induced subgraphs in large graphs with no homogeneous sets

Chudnovsky, Maria; Kim, Ringi; Oum, Sang-ilresearcher; Seymour, PaulACADEMIC PRESS INC ELSEVIER SCIENCEJOURNAL OF COMBINATORIAL THEORY SERIES B, v.118, pp.1 - 12, 2016-05

7

A RELATIVE OF HADWIGER'S CONJECTURE

Edwards, Katherine; Kang, Dong Yeap; Kim, Jaehoon; Oum, Sang-ilresearcher; Seymour, PaulSIAM PUBLICATIONSSIAM JOURNAL ON DISCRETE MATHEMATICS, v.29, no.4, pp.2385 - 2388, 2015-12

8

Partitioning H-minor free graphs into three subgraphs with no large components

Liu, Chunhung; Oum, Sang-ilresearcherElsevierELECTRONIC NOTES IN DISCRETE MATHEMATICS, v.49, pp.133 - 138, 2015-11

9

NUMBER OF CLIQUES IN GRAPHS WITH A FORBIDDEN SUBDIVISION

Lee, Choongbum; Oum, Sang-ilresearcherSIAM PUBLICATIONSSIAM JOURNAL ON DISCRETE MATHEMATICS, v.29, no.4, pp.1999 - 2005, 2015-10

10

Hyperbolic surface subgroups of one-ended doubles of free groups

Kim, Sang-hyun; Oum, Sang-ilresearcherOXFORD UNIV PRESSJOURNAL OF TOPOLOGY, v.7, no.4, pp.927 - 947, 2014-12

11

Unavoidable vertex-minors in large prime graphs

Kwon, O-Joung; Oum, Sang-ilresearcherACADEMIC PRESS LTD- ELSEVIER SCIENCE LTDEUROPEAN JOURNAL OF COMBINATORICS, v.41, pp.100 - 127, 2014-10

12

Excluded vertex-minors for graphs of linear rank-width at most k

Jeong, Jisu; Kwon, O-Joung; Oum, Sang-ilresearcherACADEMIC PRESS LTD- ELSEVIER SCIENCE LTDEUROPEAN JOURNAL OF COMBINATORICS, v.41, pp.242 - 257, 2014-10

13

Faster algorithms for vertex partitioning problems parameterized by clique-width

Oum, Sang-ilresearcher; Saether, Sigve Hortemo; Vatshelle, MartinELSEVIER SCIENCE BVTHEORETICAL COMPUTER SCIENCE, v.535, pp.16 - 24, 2014-05

14

Guest editors' foreword

Heggernes, Pinar; Kratochvil, Jan; Oum, Sang-ilresearcherELSEVIER SCIENCE BVDISCRETE APPLIED MATHEMATICS, v.168, pp.1 - 2, 2014-05

15

Graphs of small rank-width are pivot-minors of graphs of small tree-width

Kwon, O-Joung; Oum, Sang-ilresearcherELSEVIER SCIENCE BVDISCRETE APPLIED MATHEMATICS, v.168, pp.108 - 118, 2014-05

16

Rank-width of random graphs

Lee, Choongbum; Lee, Joonkyung; Oum, Sang-ilresearcherWILEY-BLACKWELLJOURNAL OF GRAPH THEORY, v.70, no.3, pp.339 - 347, 2012-07

17

Finding minimum clique capacity

Chudnovsky, Maria; Oum, Sang-ilresearcher; Seymour, PaulSPRINGERCOMBINATORICA, v.32, no.3, pp.283 - 287, 2012-04

18

Rank-width and well-quasi-ordering of skew-symmetric or symmetric matrices

Oum, Sang-ilresearcherELSEVIER SCIENCE INCLINEAR ALGEBRA AND ITS APPLICATIONS, v.436, no.7, pp.2008 - 2036, 2012-04

19

Perfect Matchings in Claw-free Cubic Graphs

Oum, Sang-ilresearcherELECTRONIC JOURNAL OF COMBINATORICSELECTRONIC JOURNAL OF COMBINATORICS, v.18, no.1, 2011-03 View PDF (91kb)

20

Rank-width and tree-width of H-minor-free graphs

Fomin, FV; Oum, Sang-ilresearcher; Thilikos, DMACADEMIC PRESS LTDEUROPEAN JOURNAL OF COMBINATORICS, v.31, no.7, pp.1617 - 1628, 2010-10

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