Edit Profile Koh, Khee Meng Compute Distance To: Compute Author ID: koh.khee-meng Published as: Koh, K. M.; Koh, Khee M.; Koh, Khee Meng; Koh, Khee-Meng Homepage: http://www.nus.edu.sg/teachingacademy/people/koh-khee-meng/ External Links: MGP · dblp Documents Indexed: 174 Publications since 1971, including 10 Books all top 5 Co-Authors 17 single-authored 33 Dong, Fengming 24 Chen, Chuan-Chong 21 Tay, Eng Guan 17 Poh, K. S. 16 Teo, Kee Leong 9 Rogers, Douglas G. 9 Soh, Kian Wee 7 Tan, Boon Poh 7 Teo, Chung-Piaw 6 Peng, Yu-Hui 5 Hendy, Michael D. 4 Ho, Yongsong 4 Little, Charles H. C. 3 Maleki, Zeinab 3 Ng, Kah Loon 3 Tan, Syn Kiat 3 Tan, Tey 3 Ting, T. S. 2 Chia, Gek-Ling 2 Chua, Tin Chiu 2 Goh, Beng-Huay 2 Goh, Chee Ying 2 Gutin, Gregory Z. 2 Huang, Hancheng 2 Lee, Sou-Chen 2 Omoomi, Behnaz 2 Phoon, L. Y. 2 Tan, Tian 2 Teo, H. K. 2 Yap, Kim Yew 2 Yeo, Anders 1 Delorme, Charles 1 Goh, M. K. 1 Grätzer, George 1 Gunawan, Andreas Dwi Maryanto 1 Huang, Hanchen 1 Huang, Hongci 1 Jin, Guoping 1 Lee, Po-Yuan 1 Lee, Sungchang 1 Li, Nianzu 1 Lim, Bock Boom 1 Lim, Chang-Keang 1 Liu, Yanpei 1 Mahéo, Maryvonne 1 Makkai, Michael 1 Miller, Mirka 1 Omoomi, Benhaz 1 Peng, Yahong 1 Punnim, Narong 1 Sagan, Bruce Eli 1 Slater, Peter James 1 Smyth, William F. 1 Soh, Chin-Ann 1 Song, Zixia 1 Tan, Tengmeng 1 Tan, Tianrong 1 Teh, Hoon Heng 1 Thuillier, Henri 1 Toh, C. W. 1 Vatter, Vincent Russell 1 Vijayan, Kaipillil 1 Wang, Yan 1 Xu, Zhiliang 1 Yap, Hian Poh all top 5 Serials 41 Discrete Mathematics 14 Nanta Mathematica 12 Algebra Universalis 12 Ars Combinatoria 10 Graphs and Combinatorics 8 Journal of Graph Theory 5 Southeast Asian Bulletin of Mathematics 5 The Australasian Journal of Combinatorics 5 AKCE International Journal of Graphs and Combinatorics 4 Bulletin of the Institute of Combinatorics and its Applications 3 Bulletin of the Malaysian Mathematical Society. Second Series 3 Tamkang Journal of Mathematics 3 Bulletin of the Institute of Mathematics. Academia Sinica 3 Combinatorics, Probability and Computing 2 Discrete Applied Mathematics 2 Networks 2 SIAM Journal on Discrete Mathematics 2 New Zealand Journal of Mathematics 2 Mathematical Medley 1 Annales Universitatis Scientiarum Budapestinensis de Rolando Eötvös Nominatae. Sectio Mathematica 1 Colloquium Mathematicum 1 Journal of Combinatorial Theory. Series B 1 Journal of the Singapore National Academy of Science 1 Proceedings of the American Mathematical Society 1 Tokyo Journal of Mathematics 1 Soochow Journal of Mathematics 1 Order 1 JCMCC. The Journal of Combinatorial Mathematics and Combinatorial Computing 1 Journal of the Australian Mathematical Society. Series A 1 Scientia. Series A: Mathematical Sciences 1 The Electronic Journal of Combinatorics 1 Lecture Notes in Mathematics 1 Transactions on Combinatorics all top 5 Fields 138 Combinatorics (05-XX) 42 Order, lattices, ordered algebraic structures (06-XX) 6 General and overarching topics; collections (00-XX) 4 Number theory (11-XX) 4 Mathematics education (97-XX) 3 General algebraic systems (08-XX) 2 Operations research, mathematical programming (90-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH 120 Publications have been cited 616 times in 333 Documents Cited by ▼ Year ▼ Chromatic polynomials and chromaticity of graphs. Zbl 1070.05038Dong, F. M.; Koh, K. M.; Teo, K. L. 71 2005 The search for chromatically unique graphs. Zbl 0727.05023Koh, K. M.; Teo, K. L. 51 1990 The search for chromatically unique graphs. II. Zbl 0879.05031Koh, K. M.; Teo, K. L. 23 1997 Kings in multipartite tournaments. Zbl 0841.05038Koh, K. M.; Tan, B. P. 16 1995 Principles and techniques in combinatorics. Zbl 0786.05002Chen, Chuan-Chong; Koh, Khee-Meng 16 1992 The chromaticity of complete bipartite graphs with at most one edge deleted. Zbl 0712.05027Teo, C. P.; Koh, K. M. 15 1990 The minimum diameter of orientations of complete multipartite graphs. Zbl 0861.05029Koh, K. M.; Tan, B. P. 12 1996 The diameter of an orientation of a complete multipartite graph. Zbl 0846.05038Koh, K. M.; Tan, B. P. 12 1996 Two theorems on graceful trees. Zbl 0414.05019Koh, K. M.; Tan, T.; Rogers, D. G. 12 1979 Frattini sublattices of distributive lattices. Zbl 0311.06007Chen, C. C.; Koh, K. M.; Tan, S. K. 12 1973 On the Frattini sublattice of a lattice. Zbl 0237.06006Koh, Khee-Meng 12 1971 Optimal orientations of graphs and digraphs: A survey. Zbl 1009.05063Koh, K. M.; Tay, E. G. 11 2002 Number of 4-kings in bipartite tournaments with no 3-kings. Zbl 0851.05053Koh, K. M.; Tan, B. P. 11 1996 The chromaticity of some families of complete tripartite graphs. Zbl 0760.05037Chia, Gek-Ling; Goh, Beng-Huay; Koh, Khee-Meng 11 1988 Chromatic classes of certain 2-connected \((n,n+2)\)-graphs. Zbl 0760.05044Teo, K. L.; Koh, K. M. 10 1991 The chromatic uniqueness of certain broken wheels. Zbl 0752.05029Koh, K. M.; Teo, C. P. 10 1991 Two classes of chromatically unique graphs. Zbl 0697.05027Koh, K. M.; Goh, B. H. 10 1990 On optimal orientations of even Cartesian products of even cycles and paths. Zbl 0881.05041Koh, K. M.; Tay, E. G. 8 1997 The number of kings in a multipartite tournament. Zbl 0871.05028Koh, K. M.; Tan, B. P. 8 1997 On the lattice of maximum-sized antichains of a finite poset. Zbl 0524.06003Koh, K. M. 8 1983 Maximal independent sets in graphs with at most \(r\) cycles. Zbl 1107.05044Goh, Chee Ying; Koh, Khee Meng; Sagan, Bruce E.; Vatter, Vincent R. 7 2006 On the number of quasi-kernels in digraphs. Zbl 1051.05046Gutin, Gregory; Koh, Khee Meng; Tay, Eng Guan; Yeo, Anders 7 2004 On optimal orientations of Cartesian products of trees. Zbl 0984.05042Koh, Khee Meng; Tay, E. G. 7 2001 Optimal orientations of products of paths and cycles. Zbl 0886.05060Koh, K. M.; Tay, E. G. 7 1997 On the higher-order edge toughness of a graph. Zbl 0789.05086Chen, C. C.; Koh, K. M.; Peng, Y. H. 7 1993 Products of graceful trees. Zbl 0451.05019Koh, K. M.; Rogers, D. G.; Tan, T. 7 1980 On optimal orientations of Cartesian products of graphs. II: Complete graphs and even cycles. Zbl 0945.05018Koh, K. M.; Tay, E. G. 6 2000 On optimal orientations of Cartesian products with a bipartite graph. Zbl 0941.05035Koh, K. M.; Tay, E. G. 6 1999 On optimal orientations of Cartesian products of even cycles. Zbl 0990.05062Koh, K. M.; Tay, E. G. 6 1998 Multipartite tournaments with prescribed sets of kings. Zbl 0820.05028Koh, K. M.; Tan, B. P. 6 1995 Chromatic classes of 2-connected \((n,n+3)\)-graphs with at least two triangles. Zbl 0796.05033Koh, K. M.; Teo, K. L. 6 1994 Cycles with a chord are graceful. Zbl 0419.05047Delorme, C.; Maheo, M.; Thuillier, H.; Koh, K. M.; Teo, H. K. 6 1980 On the Frattini sublattice of a finite distributive lattice. Zbl 0327.06008Chen, C. C.; Koh, K. M.; Tan, S. K. 6 1975 On sublattices of a lattice. Zbl 0284.06005Koh, Khee-Meng 6 1973 Broadcast domination in graph products of paths. Zbl 1296.05156Soh, K. W.; Koh, K. M. 5 2014 The maximum number of maximal independent sets in unicyclic connected graphs. Zbl 1207.05142Koh, K. M.; Goh, C. Y.; Dong, F. M. 5 2008 Sharp bounds for the number of 3-independent partitions and the chromaticity of bipartite graphs. Zbl 0988.05041Dong, F. M.; Koh, K. M.; Teo, K. L.; Little, C. H. C.; Hendy, M. D. 5 2001 On optimal orientations of Cartesian products of graphs. I. Zbl 0957.05051Koh, K. M.; Tay, E. G. 5 1998 Triangle-free graphs with large degree. Zbl 0884.05055Chen, C. C.; Jin, G. P.; Koh, K. M. 5 1997 The 2-Hamiltonian cubes of graphs. Zbl 0703.05038Koh, K. M.; Teo, K. L. 5 1989 On an isomorphism problem on the closed-set lattice of a graph. Zbl 0556.05059Koh, K. M.; Poh, K. S. 5 1985 Almost minimum diameter orientations of semicomplete multipartite and extended digraphs. Zbl 1012.05078Gutin, Gregory; Koh, Khee Meng; Tay, Eng Guan; Yeo, Anders 4 2002 Non-chordal graphs having integral-root chromatic polynomials. II. Zbl 0996.05051Dong, F. M.; Teo, K. L.; Koh, K. M.; Hendy, M. D. 4 2002 On optimal orientations of \(G\) vertex-multiplications. Zbl 0946.05036Koh, K. M.; Tay, E. G. 4 2000 On the structure and chromaticity of graphs in which any two colour classes induce a tree. Zbl 0893.05004Dong, F. M.; Koh, K. M. 4 1997 On graphs in which any pair of colour classes but one induces a tree. Zbl 0874.05023Dong, F. M.; Koh, K. M. 4 1997 Some results on chromatically unique graphs. Zbl 0940.05502Koh, K. M.; Teo, C. P. 4 1992 The number of shortest cycles and the chromatic uniqueness of a graph. Zbl 0770.05064Teo, C. P.; Koh, K. M. 4 1992 On a construction of critical graphs which are not sensitive. Zbl 0575.05048Koh, K. M.; Poh, K. S. 4 1985 On the lattice of subalgebras of a Boolean algebra. Zbl 0265.06011Grätzer, G.; Koh, K. M.; Makkai, M. 4 1972 Power domination of the Cartesian product of graphs. Zbl 1346.05247Koh, K. M.; Soh, K. W. 3 2016 Chromatically unique multibridge graphs. Zbl 1031.05047Dong, F. M.; Teo, K. L.; Little, C. H. C.; Hendy, M.; Koh, K. M. 3 2004 A note on the chromaticity of some 2-connected \((n,n+3)\)-graphs. Zbl 0994.05065Dong, F. M.; Teo, K. L.; Koh, K. M. 3 2002 Non-chordal graphs having integral-root chromatic polynomials. Zbl 0894.05014Dong, F. M.; Koh, K. M. 3 1998 Chromaticity of series-parallel graphs. Zbl 0856.05035Koh, K. M.; Teo, C. P. 3 1996 On the uniformity of the closed-set lattice of a tree. Zbl 0594.05027Koh, K. M.; Poh, K. S. 3 1986 Graceful numberings of cycles with a \(P_ 3\)-chord. Zbl 0568.05048Koh, K. M.; Yap, K. Y. 3 1985 On the length of the lattice of sublattices of a finite distributive lattice. Zbl 0519.06008Chen, C. C.; Koh, K. M. 3 1982 New generators of the Frattini sublattice of a finite distributive lattice. Zbl 0458.06007Koh, K. M. 3 1980 Graceful graphs: Some further results and problems. Zbl 0458.05054Koh, K. M.; Rogers, D. G.; Teo, H. K.; Yap, K. Y. 3 1980 Interlaced trees: A class of graceful trees. Zbl 0435.05020Koh, K. M.; Tan, T.; Rogers, D. G. 3 1979 On graceful trees. Zbl 0396.05010Koh, K. M.; Rogers, D. G.; Tan, T. 3 1977 On the Frattini sublattice of a finite modular planar lattice. Zbl 0311.06006Koh, K. M. 3 1973 A note on power domination problem in diameter two graphs. Zbl 1301.05256Soh, K. W.; Koh, K. M. 2 2014 Bounds for the coefficients of flow polynomials. Zbl 1117.05041Dong, F. M.; Koh, K. M. 2 2007 On graphs having no chromatic zeros in \((1,2)\). Zbl 1124.05032Dong, F. M.; Koh, K. M. 2 2006 The orientation number of two complete graphs with linkages. Zbl 1064.05071Koh, K. M.; Ng, K. L. 2 2005 Two results on real zeros of chromatic polynomials. Zbl 1059.05048Dong, F. M.; Koh, K. M. 2 2004 On a conjecture concerning optimal orientations of the Cartesian product of a triangle and an odd cycle. Zbl 0998.05016Koh, K. M.; Tay, E. G. 2 2001 The chromaticity of odd wheels with a missing spoke. Zbl 0880.05038Dong, F. M.; Liu, Y. P.; Koh, K. M. 2 1997 On chromatic uniqueness of uniform subdivisions of graphs. Zbl 0796.05034Teo, C. P.; Koh, K. M. 2 1994 Constructions of sensitive graphs which are not strongly sensitive. Zbl 0747.05049Koh, K. M.; Poh, K. S. 2 1988 Vertex-gluings of graphs with their closed-set lattices. Zbl 0654.05064Koh, K. M.; Poh, K. S. 2 1987 On the length of the sublattice-lattice of a finite distributive lattice. Zbl 0528.06013Koh, K. M. 2 1983 On graceful graphs: Cycles with 3-consecutive chords. Zbl 0493.05054Koh, K. M.; Punnim, N. 2 1982 Idempotent algebras with three essentially binary polynomials. Zbl 0429.08001Koh, K. M. 2 1980 A graceful arboretum: A survey of graceful trees. Zbl 0462.05027Koh, K. M.; Rogers, D. G.; Tan, T. 2 1979 On graceful graphs. I: Sum of graphs. Zbl 0422.05056Koh, K. M.; Rogers, D. G.; Lim, C. K. 2 1979 An algorithm for determining \(\Phi(L)\) in finite distributive lattices. Zbl 0387.06008Chen, C. C.; Koh, K. M. 2 1978 On the Frattini subalgebra of a Stone algebra. Zbl 0333.06004Koh, K. M. 2 1975 On the non-chain Frattini sublattices of finite distributive lattices. Zbl 0313.06006Koh, K. M.; Poh, K. S. 2 1974 On the lattice of convex sublattices of a lattice. Zbl 0284.06006Koh, Khee-Meng 2 1972 On the Frattini sub-semilattice of a semilattice. Zbl 0259.06004Koh, Khee-Meng 2 1971 Recent results on the power domination numbers of graph products. Zbl 1405.05138Soh, K. W.; Koh, K. M. 1 2018 The gracefulness of the join of graphs. Zbl 1347.05196Koh, K. M.; Phoon, L. Y.; Soh, K. W. 1 2015 The gracefulness of the join of graphs. II. Zbl 1346.05254Koh, K. M.; Phoon, L. Y.; Soh, K. W. 1 2015 Reversing arcs in transitive tournaments to obtain maximum number of spanning cycles. Zbl 1313.05153Koh, K. M.; Ting, T. S. 1 2013 Max-min total restrained domination number. Zbl 1313.05281Koh, K. M.; Maleki, Zeinab; Omoomi, Behnaz 1 2013 On the total restrained domination edge critical graphs. Zbl 1289.05352Koh, Khee Meng; Maleki, Zeinab; Omoomi, Benhaz 1 2013 An upper bound for the total restrained domination number of graphs. Zbl 1272.05150Koh, Khee M.; Maleki, Zeinab; Omoomi, Behnaz 1 2013 On zero-free intervals in (1,2) of chromatic polynomials of some families of graphs. Zbl 1213.05074Dong, F. M.; Koh, K. M. 1 2010 Bounds for the real zeros of chromatic polynomials. Zbl 1169.05322Dong, F. M.; Koh, K. M. 1 2008 Domination numbers and zeros of chromatic polynomials. Zbl 1187.05037Dong, F. M.; Koh, K. M. 1 2008 A maximal zero-free interval for chromatic polynomials of bipartite planar graphs. Zbl 1139.05019Dong, F. M.; Koh, K. M. 1 2008 On optimum summable graphs. Zbl 1103.05073Koh, K. M.; Miller, Mirka; Smyth, W. F.; Wang, Yan 1 2006 On upper bounds for real roots of chromatic polynomials. Zbl 1043.05045Dong, F. M.; Koh, K. M. 1 2004 Divisibility of certain coefficients of the chromatic polynomials. Zbl 1036.05021Dong, F. M.; Koh, K. M.; Soh, C. A. 1 2004 The sizes of graphs with small girth. Zbl 0868.05031Dong, F. M.; Koh, K. M. 1 1996 On the spectrum of the closed-set lattice of a graph. Zbl 0784.05058Koh, K. M.; Poh, K. S. 1 1992 On the existence of balanced graphs with given egde-toughness and edge- connectivity. Zbl 0817.05036Peng, Y. H.; Chen, C. C.; Koh, K. M. 1 1992 Recent results on the power domination numbers of graph products. Zbl 1405.05138Soh, K. W.; Koh, K. M. 1 2018 Power domination of the Cartesian product of graphs. Zbl 1346.05247Koh, K. M.; Soh, K. W. 3 2016 The gracefulness of the join of graphs. Zbl 1347.05196Koh, K. M.; Phoon, L. Y.; Soh, K. W. 1 2015 The gracefulness of the join of graphs. II. Zbl 1346.05254Koh, K. M.; Phoon, L. Y.; Soh, K. W. 1 2015 Broadcast domination in graph products of paths. Zbl 1296.05156Soh, K. W.; Koh, K. M. 5 2014 A note on power domination problem in diameter two graphs. Zbl 1301.05256Soh, K. W.; Koh, K. M. 2 2014 Reversing arcs in transitive tournaments to obtain maximum number of spanning cycles. Zbl 1313.05153Koh, K. M.; Ting, T. S. 1 2013 Max-min total restrained domination number. Zbl 1313.05281Koh, K. M.; Maleki, Zeinab; Omoomi, Behnaz 1 2013 On the total restrained domination edge critical graphs. Zbl 1289.05352Koh, Khee Meng; Maleki, Zeinab; Omoomi, Benhaz 1 2013 An upper bound for the total restrained domination number of graphs. Zbl 1272.05150Koh, Khee M.; Maleki, Zeinab; Omoomi, Behnaz 1 2013 On zero-free intervals in (1,2) of chromatic polynomials of some families of graphs. Zbl 1213.05074Dong, F. M.; Koh, K. M. 1 2010 The maximum number of maximal independent sets in unicyclic connected graphs. Zbl 1207.05142Koh, K. M.; Goh, C. Y.; Dong, F. M. 5 2008 Bounds for the real zeros of chromatic polynomials. Zbl 1169.05322Dong, F. M.; Koh, K. M. 1 2008 Domination numbers and zeros of chromatic polynomials. Zbl 1187.05037Dong, F. M.; Koh, K. M. 1 2008 A maximal zero-free interval for chromatic polynomials of bipartite planar graphs. Zbl 1139.05019Dong, F. M.; Koh, K. M. 1 2008 Bounds for the coefficients of flow polynomials. Zbl 1117.05041Dong, F. M.; Koh, K. M. 2 2007 Maximal independent sets in graphs with at most \(r\) cycles. Zbl 1107.05044Goh, Chee Ying; Koh, Khee Meng; Sagan, Bruce E.; Vatter, Vincent R. 7 2006 On graphs having no chromatic zeros in \((1,2)\). Zbl 1124.05032Dong, F. M.; Koh, K. M. 2 2006 On optimum summable graphs. Zbl 1103.05073Koh, K. M.; Miller, Mirka; Smyth, W. F.; Wang, Yan 1 2006 Chromatic polynomials and chromaticity of graphs. Zbl 1070.05038Dong, F. M.; Koh, K. M.; Teo, K. L. 71 2005 The orientation number of two complete graphs with linkages. Zbl 1064.05071Koh, K. M.; Ng, K. L. 2 2005 On the number of quasi-kernels in digraphs. Zbl 1051.05046Gutin, Gregory; Koh, Khee Meng; Tay, Eng Guan; Yeo, Anders 7 2004 Chromatically unique multibridge graphs. Zbl 1031.05047Dong, F. M.; Teo, K. L.; Little, C. H. C.; Hendy, M.; Koh, K. M. 3 2004 Two results on real zeros of chromatic polynomials. Zbl 1059.05048Dong, F. M.; Koh, K. M. 2 2004 On upper bounds for real roots of chromatic polynomials. Zbl 1043.05045Dong, F. M.; Koh, K. M. 1 2004 Divisibility of certain coefficients of the chromatic polynomials. Zbl 1036.05021Dong, F. M.; Koh, K. M.; Soh, C. A. 1 2004 Optimal orientations of graphs and digraphs: A survey. Zbl 1009.05063Koh, K. M.; Tay, E. G. 11 2002 Almost minimum diameter orientations of semicomplete multipartite and extended digraphs. Zbl 1012.05078Gutin, Gregory; Koh, Khee Meng; Tay, Eng Guan; Yeo, Anders 4 2002 Non-chordal graphs having integral-root chromatic polynomials. II. Zbl 0996.05051Dong, F. M.; Teo, K. L.; Koh, K. M.; Hendy, M. D. 4 2002 A note on the chromaticity of some 2-connected \((n,n+3)\)-graphs. Zbl 0994.05065Dong, F. M.; Teo, K. L.; Koh, K. M. 3 2002 On optimal orientations of Cartesian products of trees. Zbl 0984.05042Koh, Khee Meng; Tay, E. G. 7 2001 Sharp bounds for the number of 3-independent partitions and the chromaticity of bipartite graphs. Zbl 0988.05041Dong, F. M.; Koh, K. M.; Teo, K. L.; Little, C. H. C.; Hendy, M. D. 5 2001 On a conjecture concerning optimal orientations of the Cartesian product of a triangle and an odd cycle. Zbl 0998.05016Koh, K. M.; Tay, E. G. 2 2001 On optimal orientations of Cartesian products of graphs. II: Complete graphs and even cycles. Zbl 0945.05018Koh, K. M.; Tay, E. G. 6 2000 On optimal orientations of \(G\) vertex-multiplications. Zbl 0946.05036Koh, K. M.; Tay, E. G. 4 2000 On optimal orientations of Cartesian products with a bipartite graph. Zbl 0941.05035Koh, K. M.; Tay, E. G. 6 1999 On optimal orientations of Cartesian products of even cycles. Zbl 0990.05062Koh, K. M.; Tay, E. G. 6 1998 On optimal orientations of Cartesian products of graphs. I. Zbl 0957.05051Koh, K. M.; Tay, E. G. 5 1998 Non-chordal graphs having integral-root chromatic polynomials. Zbl 0894.05014Dong, F. M.; Koh, K. M. 3 1998 The search for chromatically unique graphs. II. Zbl 0879.05031Koh, K. M.; Teo, K. L. 23 1997 On optimal orientations of even Cartesian products of even cycles and paths. Zbl 0881.05041Koh, K. M.; Tay, E. G. 8 1997 The number of kings in a multipartite tournament. Zbl 0871.05028Koh, K. M.; Tan, B. P. 8 1997 Optimal orientations of products of paths and cycles. Zbl 0886.05060Koh, K. M.; Tay, E. G. 7 1997 Triangle-free graphs with large degree. Zbl 0884.05055Chen, C. C.; Jin, G. P.; Koh, K. M. 5 1997 On the structure and chromaticity of graphs in which any two colour classes induce a tree. Zbl 0893.05004Dong, F. M.; Koh, K. M. 4 1997 On graphs in which any pair of colour classes but one induces a tree. Zbl 0874.05023Dong, F. M.; Koh, K. M. 4 1997 The chromaticity of odd wheels with a missing spoke. Zbl 0880.05038Dong, F. M.; Liu, Y. P.; Koh, K. M. 2 1997 The minimum diameter of orientations of complete multipartite graphs. Zbl 0861.05029Koh, K. M.; Tan, B. P. 12 1996 The diameter of an orientation of a complete multipartite graph. Zbl 0846.05038Koh, K. M.; Tan, B. P. 12 1996 Number of 4-kings in bipartite tournaments with no 3-kings. Zbl 0851.05053Koh, K. M.; Tan, B. P. 11 1996 Chromaticity of series-parallel graphs. Zbl 0856.05035Koh, K. M.; Teo, C. P. 3 1996 The sizes of graphs with small girth. Zbl 0868.05031Dong, F. M.; Koh, K. M. 1 1996 Kings in multipartite tournaments. Zbl 0841.05038Koh, K. M.; Tan, B. P. 16 1995 Multipartite tournaments with prescribed sets of kings. Zbl 0820.05028Koh, K. M.; Tan, B. P. 6 1995 Chromatic classes of 2-connected \((n,n+3)\)-graphs with at least two triangles. Zbl 0796.05033Koh, K. M.; Teo, K. L. 6 1994 On chromatic uniqueness of uniform subdivisions of graphs. Zbl 0796.05034Teo, C. P.; Koh, K. M. 2 1994 On the higher-order edge toughness of a graph. Zbl 0789.05086Chen, C. C.; Koh, K. M.; Peng, Y. H. 7 1993 Principles and techniques in combinatorics. Zbl 0786.05002Chen, Chuan-Chong; Koh, Khee-Meng 16 1992 Some results on chromatically unique graphs. Zbl 0940.05502Koh, K. M.; Teo, C. P. 4 1992 The number of shortest cycles and the chromatic uniqueness of a graph. Zbl 0770.05064Teo, C. P.; Koh, K. M. 4 1992 On the spectrum of the closed-set lattice of a graph. Zbl 0784.05058Koh, K. M.; Poh, K. S. 1 1992 On the existence of balanced graphs with given egde-toughness and edge- connectivity. Zbl 0817.05036Peng, Y. H.; Chen, C. C.; Koh, K. M. 1 1992 Chromatic classes of certain 2-connected \((n,n+2)\)-graphs. Zbl 0760.05044Teo, K. L.; Koh, K. M. 10 1991 The chromatic uniqueness of certain broken wheels. Zbl 0752.05029Koh, K. M.; Teo, C. P. 10 1991 Vertex-gluings of sensitive graphs. Zbl 0733.05052Koh, K. M.; Poh, K. S. 1 1991 Chromatic equivalence of a graph and its complement. Zbl 0829.05031Koh, K. M.; Teo, C. P. 1 1991 The search for chromatically unique graphs. Zbl 0727.05023Koh, K. M.; Teo, K. L. 51 1990 The chromaticity of complete bipartite graphs with at most one edge deleted. Zbl 0712.05027Teo, C. P.; Koh, K. M. 15 1990 Two classes of chromatically unique graphs. Zbl 0697.05027Koh, K. M.; Goh, B. H. 10 1990 The 2-Hamiltonian cubes of graphs. Zbl 0703.05038Koh, K. M.; Teo, K. L. 5 1989 On the sequence of closed-set lattices of a graph. Zbl 0792.05139Koh, K. M.; Poh, K. S. 1 1989 The chromaticity of some families of complete tripartite graphs. Zbl 0760.05037Chia, Gek-Ling; Goh, Beng-Huay; Koh, Khee-Meng 11 1988 Constructions of sensitive graphs which are not strongly sensitive. Zbl 0747.05049Koh, K. M.; Poh, K. S. 2 1988 On the edge-toughness of a graph. I. Zbl 0688.05067Peng, Y. H.; Chen, C. C.; Koh, K. M. 1 1988 Products of graphs with their closed-set lattices. Zbl 0672.05067Koh, K. M.; Poh, K. S. 1 1988 The thickness and the closed-set lattice of a graph. Zbl 0659.05080Koh, K. M.; Poh, K. S. 1 1988 Vertex-gluings of graphs with their closed-set lattices. Zbl 0654.05064Koh, K. M.; Poh, K. S. 2 1987 On the uniformity of the closed-set lattice of a tree. Zbl 0594.05027Koh, K. M.; Poh, K. S. 3 1986 On an isomorphism problem on the closed-set lattice of a graph. Zbl 0556.05059Koh, K. M.; Poh, K. S. 5 1985 On a construction of critical graphs which are not sensitive. Zbl 0575.05048Koh, K. M.; Poh, K. S. 4 1985 Graceful numberings of cycles with a \(P_ 3\)-chord. Zbl 0568.05048Koh, K. M.; Yap, K. Y. 3 1985 Maximum-sized antichains in minimal posets. Zbl 0602.06001Koh, K. M. 1 1985 On the sublattice-lattice of a lattice. Zbl 0544.06004Chen, C. C.; Koh, K. M.; Teo, K. L. 1 1984 On the grading numbers of direct products of chains. Zbl 0538.06007Chen, C. C.; Koh, K. M.; Lee, S. C. 1 1984 On the lattice of maximum-sized antichains of a finite poset. Zbl 0524.06003Koh, K. M. 8 1983 On the length of the sublattice-lattice of a finite distributive lattice. Zbl 0528.06013Koh, K. M. 2 1983 On the length of the lattice of sublattices of a finite distributive lattice. Zbl 0519.06008Chen, C. C.; Koh, K. M. 3 1982 On graceful graphs: Cycles with 3-consecutive chords. Zbl 0493.05054Koh, K. M.; Punnim, N. 2 1982 On finite distributive lattices of grade one. Zbl 0497.06010Chen, C. C.; Koh, K. M.; Lee, S. C. 1 1982 Another class of graceful trees. Zbl 0465.05028Koh, K. M.; Rogers, D. G.; Tan, T. 1 1981 Products of graceful trees. Zbl 0451.05019Koh, K. M.; Rogers, D. G.; Tan, T. 7 1980 Cycles with a chord are graceful. Zbl 0419.05047Delorme, C.; Maheo, M.; Thuillier, H.; Koh, K. M.; Teo, H. K. 6 1980 New generators of the Frattini sublattice of a finite distributive lattice. Zbl 0458.06007Koh, K. M. 3 1980 Graceful graphs: Some further results and problems. Zbl 0458.05054Koh, K. M.; Rogers, D. G.; Teo, H. K.; Yap, K. Y. 3 1980 Idempotent algebras with three essentially binary polynomials. Zbl 0429.08001Koh, K. M. 2 1980 Two theorems on graceful trees. Zbl 0414.05019Koh, K. M.; Tan, T.; Rogers, D. G. 12 1979 Interlaced trees: A class of graceful trees. Zbl 0435.05020Koh, K. M.; Tan, T.; Rogers, D. G. 3 1979 A graceful arboretum: A survey of graceful trees. Zbl 0462.05027Koh, K. M.; Rogers, D. G.; Tan, T. 2 1979 On graceful graphs. I: Sum of graphs. Zbl 0422.05056Koh, K. M.; Rogers, D. G.; Lim, C. K. 2 1979 On graceful graphs. V: Unions of graphs with one vertex in common. Zbl 0428.05048Koh, K. M.; Rogers, D. G.; Lee, P. Y.; Toh, C. W. 1 1979 ...and 20 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 424 Authors 54 Koh, Khee Meng 17 Dong, Fengming 10 Peng, Yee-Hock 9 Chen, Chuan-Chong 9 Tomescu, Ioan 8 Liu, Ruying 8 Tan, Boon Poh 7 Brown, Jason Ira 7 Makowsky, Johann-Andreas 6 Chia, Gek-Ling 6 Sethuraman, G. 6 Soh, Kian Wee 6 Zhao, Haixing 5 Alikhani, Saeid 5 Erey, Aysel 5 Poh, K. S. 5 Shrock, Robert E. 5 Teo, Kee Leong 4 Adams, Michael E. 4 Dankelmann, Peter 4 Hasni, Roslan 4 Lau, Gee-Chon 4 Longani, Vites 4 Petrović, Vojislav 4 Teo, Chung-Piaw 3 Bokhary, Syed Ahtsham ul Haq 3 Galeana-Sánchez, Hortensia 3 Garijo, Delia 3 Hernández-Cruz, César 3 Ihm, Insung 3 Lai, Hong-Jian 3 Nešetřil, Jaroslav 3 Ng, Kah Loon 3 Noy, Marc 3 Park, Jung-Heum 3 Ragukumar, P. 3 Rautenbach, Dieter 3 Ravve, Elena V. 3 Schmid, Jurg 3 Slater, Peter James 3 Tay, Eng Guan 2 Ameen, Ameen Shaman 2 Averbouch, Ilia 2 Bell, Jocelyn R. 2 Bhattacharya, Bhaswar B. 2 Borowiecki, Mieczysław 2 Bouchemakh, Isma 2 Chang, Shu-Chiuan 2 Chen, Xiangen 2 Chen, Zengqiang 2 Czabarka, Éva 2 de Mier, Anna 2 Dehmer, Matthias 2 Drgas-Burchardt, Ewa 2 Emmert-Streib, Frank 2 Geĭn, Pavel Aleksandrovich 2 Goddard, Wayne Dean 2 Godlin, Benny 2 Goodall, Andrew J. 2 Harding, John 2 Hertz, Alain 2 Heunen, Chris 2 Jahari, Somayeh 2 Knox, Fiachra 2 Kotek, Tomer 2 Li, Nianzu 2 Li, Xueliang 2 Ling, San 2 Liu, Yanpei 2 Lyle, Jeremy 2 Mani, Anandi 2 Mélot, Hadrien 2 Mihoubi, Miloud 2 Mohar, Bojan 2 Mohr, Elena 2 Mól, Lucas A. S. 2 Morgan, Kerri 2 Mukherjee, Sumit 2 Navara, Mirko 2 Noble, Steven Derek 2 Oellermann, Ortrud R. 2 Omoomi, Behnaz 2 Ouyang, K. Z. 2 Ozeki, Kenta 2 Peng, Yanling 2 Peng, Yeehock 2 Perrett, Thomas J. 2 Phoon, L. Y. 2 Qian, Jianguo 2 Razzazi, Mohammadreza 2 Revuelta, M. Pastora 2 Roayaei, Mehdy 2 Rogers, Douglas G. 2 Schacht, Mathias 2 Shi, Yongtang 2 Sopena, Éric 2 Székely, László A. 2 Tan, Syn Kiat 2 Tripathi, Shailesh 2 Wang, Ruixia ...and 324 more Authors all top 5 Cited in 82 Serials 113 Discrete Mathematics 26 Discrete Applied Mathematics 17 Algebra Universalis 17 European Journal of Combinatorics 17 Graphs and Combinatorics 7 Journal of Graph Theory 6 Journal of Combinatorial Theory. Series B 5 Information Processing Letters 5 Journal of Discrete Mathematical Sciences & Cryptography 4 The Electronic Journal of Combinatorics 4 Discussiones Mathematicae. Graph Theory 4 AKCE International Journal of Graphs and Combinatorics 3 Journal of Statistical Physics 3 Theoretical Computer Science 3 Order 3 Linear Algebra and its Applications 3 The Australasian Journal of Combinatorics 2 Information Sciences 2 Kyungpook Mathematical Journal 2 Mathematische Zeitschrift 2 Networks 2 SIAM Journal on Discrete Mathematics 2 Theory of Computing Systems 2 Journal of Combinatorial Optimization 2 Journal of Integer Sequences 2 Comptes Rendus. Mathématique. Académie des Sciences, Paris 2 Journal of Applied Mathematics and Computing 2 Sibirskie Èlektronnye Matematicheskie Izvestiya 2 Proceedings of the Steklov Institute of Mathematics 2 ISRN Discrete Mathematics 1 Acta Mathematica Academiae Scientiarum Hungaricae 1 Computers & Mathematics with Applications 1 Journal of Mathematical Physics 1 Letters in Mathematical Physics 1 Mathematics Magazine 1 Applied Mathematics and Computation 1 Czechoslovak Mathematical Journal 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of Algebra 1 Journal of Combinatorial Theory. Series A 1 Journal of Computer and System Sciences 1 Journal of Soviet Mathematics 1 Proceedings of the American Mathematical Society 1 Proceedings of the Edinburgh Mathematical Society. Series II 1 Quaestiones Mathematicae 1 SIAM Journal on Algebraic and Discrete Methods 1 Acta Mathematica Hungarica 1 Annals of Pure and Applied Logic 1 Acta Mathematicae Applicatae Sinica. English Series 1 Discrete & Computational Geometry 1 Applied Mathematics Letters 1 International Journal of Algebra and Computation 1 International Journal of Foundations of Computer Science 1 Discrete Mathematics and Applications 1 Aequationes Mathematicae 1 Applied Mathematical Modelling 1 International Journal of Computer Mathematics 1 Journal of Knot Theory and its Ramifications 1 New Zealand Journal of Mathematics 1 Applied Categorical Structures 1 Applied Mathematics. Series B (English Edition) 1 Applied and Computational Harmonic Analysis 1 Combinatorics, Probability and Computing 1 Acta Universitatis Matthiae Belii. Series Mathematics 1 Finite Fields and their Applications 1 Journal of Combinatorial Designs 1 Journal of Graph Algorithms and Applications 1 RAIRO. Operations Research 1 Bulletin of the Malaysian Mathematical Sciences Society. 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Terceira Série 1 Mediterranean Journal of Mathematics 1 Proyecciones 1 The Journal of Prime Research in Mathematics 1 Mathematics in Computer Science 1 Advances and Applications in Discrete Mathematics 1 International Journal of Combinatorics 1 Symmetry 1 Transactions on Combinatorics 1 Journal of Mathematics 1 The Art of Discrete and Applied Mathematics all top 5 Cited in 28 Fields 277 Combinatorics (05-XX) 37 Order, lattices, ordered algebraic structures (06-XX) 15 Number theory (11-XX) 15 Computer science (68-XX) 6 Statistical mechanics, structure of matter (82-XX) 6 Operations research, mathematical programming (90-XX) 4 Mathematical logic and foundations (03-XX) 4 Convex and discrete geometry (52-XX) 3 General algebraic systems (08-XX) 3 Information and communication theory, circuits (94-XX) 2 History and biography (01-XX) 2 Algebraic geometry (14-XX) 2 Global analysis, analysis on manifolds (58-XX) 2 Probability theory and stochastic processes (60-XX) 2 Statistics (62-XX) 1 Field theory and polynomials (12-XX) 1 Commutative algebra (13-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Nonassociative rings and algebras (17-XX) 1 Category theory; homological algebra (18-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Functional analysis (46-XX) 1 General topology (54-XX) 1 Algebraic topology (55-XX) 1 Manifolds and cell complexes (57-XX) 1 Numerical analysis (65-XX) 1 Mathematics education (97-XX) Citations by Year