Edit Profile (opens in new tab) Koh, Khee Meng Co-Author Distance Author ID: koh.khee-meng Published as: Koh, K. M.; Koh, Khee Meng; Koh, Khee-Meng; Koh Khee Meng; Koh, Khee M. more...less Homepage: https://www.nus.edu.sg/teachingacademy/people/koh-khee-meng/ External Links: MGP · dblp Documents Indexed: 176 Publications since 1970, including 9 Books 2 Contributions as Editor Co-Authors: 49 Co-Authors with 152 Joint Publications 1,142 Co-Co-Authors all top 5 Co-Authors 18 single-authored 35 Dong, Fengming 24 Chen, Chuan-Chong 22 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 5 Hendy, Michael D. 4 Little, Charles H. C. 3 Maleki, Zeinab 3 Ng, Kah Loon 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 Lee, Peng Yee 2 Omoomi, Behnaz 2 Phoon, L. Y. 2 Teo, H. K. 2 Yap, Kim Yew 2 Yeo, Anders 1 Delorme, Charles 1 Goh, Marcel K. 1 Grätzer, George 1 Gunawan, Andreas Dwi Maryanto 1 Jin, Guoping 1 Lim, Bock Boom 1 Liu, Yanpei 1 Mahéo, Maryvonne 1 Makkai, Michael 1 Miller, Mirka 1 Omoomi, Benhaz 1 Punnim, Narong 1 Sagan, Bruce Eli 1 Slater, Peter James 1 Smyth, William F. 1 Soh, Chin-Ann 1 Song, Zixia 1 Tan Tey 1 Teh, Hoon Heng 1 Thuillier, Henri 1 Toh, C. W. 1 Vatter, Vincent Russell 1 Wang, Yan 1 Yap, Hian Poh all top 5 Serials 41 Discrete Mathematics 15 Nanta Mathematica 12 Algebra Universalis 12 Ars Combinatoria 10 Graphs and Combinatorics 8 Journal of Graph Theory 6 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 141 Combinatorics (05-XX) 43 Order, lattices, ordered algebraic structures (06-XX) 6 General and overarching topics; collections (00-XX) 5 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 Open 131 Publications have been cited 825 times in 475 Documents Cited by ▼ Year ▼ Chromatic polynomials and chromaticity of graphs. Zbl 1070.05038 Dong, F. M.; Koh, K. M.; Teo, K. L. 121 2005 The search for chromatically unique graphs. Zbl 0727.05023 Koh, K. M.; Teo, K. L. 55 1990 The search for chromatically unique graphs. II. Zbl 0879.05031 Koh, K. M.; Teo, K. L. 25 1997 Principles and techniques in combinatorics. Zbl 0786.05002 Chen, Chuan-Chong; Koh, Khee-Meng 24 1992 Optimal orientations of graphs and digraphs: A survey. Zbl 1009.05063 Koh, K. M.; Tay, E. G. 22 2002 Two theorems on graceful trees. Zbl 0414.05019 Koh, K. M.; Tan, T.; Rogers, D. G. 16 1979 Kings in multipartite tournaments. Zbl 0841.05038 Koh, K. M.; Tan, B. P. 16 1995 The chromaticity of complete bipartite graphs with at most one edge deleted. Zbl 0712.05027 Teo, C. P.; Koh, K. M. 15 1990 The diameter of an orientation of a complete multipartite graph. Zbl 0846.05038 Koh, K. M.; Tan, B. P. 14 1996 Maximal independent sets in graphs with at most \(r\) cycles. Zbl 1107.05044 Goh, Chee Ying; Koh, Khee Meng; Sagan, Bruce E.; Vatter, Vincent R. 14 2006 The minimum diameter of orientations of complete multipartite graphs. Zbl 0861.05029 Koh, K. M.; Tan, B. P. 14 1996 Graceful graphs: Some further results and problems. Zbl 0458.05054 Koh, K. M.; Rogers, D. G.; Teo, H. K.; Yap, K. Y. 13 1980 Frattini sublattices of distributive lattices. Zbl 0311.06007 Chen, C. C.; Koh, K. M.; Tan, S. K. 13 1973 On the Frattini sublattice of a lattice. Zbl 0237.06006 Koh, Khee-Meng 12 1971 Products of graceful trees. Zbl 0451.05019 Koh, K. M.; Rogers, D. G.; Tan, T. 12 1980 The number of kings in a multipartite tournament. Zbl 0871.05028 Koh, K. M.; Tan, B. P. 12 1997 The maximum number of maximal independent sets in unicyclic connected graphs. Zbl 1207.05142 Koh, K. M.; Goh, C. Y.; Dong, F. M. 12 2008 On the number of quasi-kernels in digraphs. Zbl 1051.05046 Gutin, Gregory; Koh, Khee Meng; Tay, Eng Guan; Yeo, Anders 11 2004 Number of 4-kings in bipartite tournaments with no 3-kings. Zbl 0851.05053 Koh, K. M.; Tan, B. P. 11 1996 Triangle-free graphs with large degree. Zbl 0884.05055 Chen, C. C.; Jin, G. P.; Koh, K. M. 11 1997 The chromatic uniqueness of certain broken wheels. Zbl 0752.05029 Koh, K. M.; Teo, C. P. 11 1991 On optimal orientations of \(G\) vertex-multiplications. Zbl 0946.05036 Koh, K. M.; Tay, E. G. 10 2000 On optimal orientations of even Cartesian products of even cycles and paths. Zbl 0881.05041 Koh, K. M.; Tay, E. G. 10 1997 The number of shortest cycles and the chromatic uniqueness of a graph. Zbl 0770.05064 Teo, C. P.; Koh, K. M. 10 1992 Chromatic classes of certain 2-connected \((n,n+2)\)-graphs. Zbl 0760.05044 Teo, K. L.; Koh, K. M. 10 1991 Optimal orientations of products of paths and cycles. Zbl 0886.05060 Koh, K. M.; Tay, E. G. 10 1997 The chromaticity of some families of complete tripartite graphs. Zbl 0760.05037 Chia, Gek-Ling; Goh, Beng-Huay; Koh, Khee-Meng 10 1988 Two classes of chromatically unique graphs. Zbl 0697.05027 Koh, K. M.; Goh, B. H. 10 1990 On optimal orientations of Cartesian products of graphs. II: Complete graphs and even cycles. Zbl 0945.05018 Koh, K. M.; Tay, E. G. 9 2000 On optimal orientations of Cartesian products of trees. Zbl 0984.05042 Koh, Khee Meng; Tay, E. G. 9 2001 On the lattice of maximum-sized antichains of a finite poset. Zbl 0524.06003 Koh, K. M. 9 1983 On the higher-order edge toughness of a graph. Zbl 0789.05086 Chen, C. C.; Koh, K. M.; Peng, Y. H. 8 1993 Broadcast domination in graph products of paths. Zbl 1296.05156 Soh, K. W.; Koh, K. M. 8 2014 Power domination of the Cartesian product of graphs. Zbl 1346.05247 Koh, K. M.; Soh, K. W. 8 2016 Cycles with a chord are graceful. Zbl 0419.05047 Delorme, C.; Maheo, M.; Thuillier, H.; Koh, K. M.; Teo, H. K. 7 1980 Non-chordal graphs having integral-root chromatic polynomials. II. Zbl 0996.05051 Dong, F. M.; Teo, K. L.; Koh, K. M.; Hendy, M. D. 6 2002 On optimal orientations of Cartesian products of even cycles. Zbl 0990.05062 Koh, K. M.; Tay, E. G. 6 1998 On optimal orientations of Cartesian products with a bipartite graph. Zbl 0941.05035 Koh, K. M.; Tay, E. G. 6 1999 Multipartite tournaments with prescribed sets of kings. Zbl 0820.05028 Koh, K. M.; Tan, B. P. 6 1995 Non-chordal graphs having integral-root chromatic polynomials. Zbl 0894.05014 Dong, F. M.; Koh, K. M. 6 1998 On optimal orientations of Cartesian products of graphs. I. Zbl 0957.05051 Koh, K. M.; Tay, E. G. 6 1998 Chromatic classes of 2-connected \((n,n+3)\)-graphs with at least two triangles. Zbl 0796.05033 Koh, K. M.; Teo, K. L. 6 1994 Almost minimum diameter orientations of semicomplete multipartite and extended digraphs. Zbl 1012.05078 Gutin, Gregory; Koh, Khee Meng; Tay, Eng Guan; Yeo, Anders 6 2002 On the lattice of subalgebras of a Boolean algebra. Zbl 0265.06011 Grätzer, G.; Koh, K. M.; Makkai, M. 6 1972 On sublattices of a lattice. Zbl 0284.06005 Koh, Khee-Meng 6 1973 On the Frattini sublattice of a finite distributive lattice. Zbl 0327.06008 Chen, C. C.; Koh, K. M.; Tan, S. K. 6 1975 Chromatically unique multibridge graphs. Zbl 1031.05047 Dong, F. M.; Teo, K. L.; Little, C. H. C.; Hendy, M.; Koh, K. M. 5 2004 Sharp bounds for the number of 3-independent partitions and the chromaticity of bipartite graphs. Zbl 0988.05041 Dong, F. M.; Koh, K. M.; Teo, K. L.; Little, C. H. C.; Hendy, M. D. 5 2001 On optimal orientation of cycle vertex multiplications. Zbl 1072.05027 Ng, K. L.; Koh, K. M. 5 2005 On an isomorphism problem on the closed-set lattice of a graph. Zbl 0556.05059 Koh, K. M.; Poh, K. S. 5 1985 The 2-Hamiltonian cubes of graphs. Zbl 0703.05038 Koh, K. M.; Teo, K. L. 5 1989 Some results on chromatically unique graphs. Zbl 0940.05502 Koh, K. M.; Teo, C. P. 4 1992 The orientation number of two complete graphs with linkages. Zbl 1064.05071 Koh, K. M.; Ng, K. L. 4 2005 On the structure and chromaticity of graphs in which any two colour classes induce a tree. Zbl 0893.05004 Dong, F. M.; Koh, K. M. 4 1997 On graceful graphs. I: Sum of graphs. Zbl 0422.05056 Koh, K. M.; Rogers, D. G.; Lim, C. K. 4 1979 On graphs in which any pair of colour classes but one induces a tree. Zbl 0874.05023 Dong, F. M.; Koh, K. M. 4 1997 On a construction of critical graphs which are not sensitive. Zbl 0575.05048 Koh, K. M.; Poh, K. S. 4 1985 Broadcast domination in tori. Zbl 1463.05423 Soh, Kian Wee; Koh, Khee-Meng 4 2015 A note on the chromaticity of some 2-connected \((n,n+3)\)-graphs. Zbl 0994.05065 Dong, F. M.; Teo, K. L.; Koh, K. M. 3 2002 On the Frattini sub-semilattice of a semilattice. Zbl 0259.06004 Koh, Khee-Meng 3 1971 A characterization of finite distributive planar lattices. Zbl 0262.06007 Chen, C. C.; Koh, K. M. 3 1973 On graceful trees. Zbl 0396.05010 Koh, K. M.; Rogers, D. G.; Tan, T. 3 1977 New generators of the Frattini sublattice of a finite distributive lattice. Zbl 0458.06007 Koh, K. M. 3 1980 Chromaticity of series-parallel graphs. Zbl 0856.05035 Koh, K. M.; Teo, C. P. 3 1996 On optimal orientations of tree vertex-multiplications. Zbl 1104.05024 Koh, K. M.; Tay, E. G. 3 2006 Interlaced trees: A class of graceful trees. Zbl 0435.05020 Koh, K. M.; Tan, T.; Rogers, D. G. 3 1979 Recent results on the power domination numbers of graph products. Zbl 1405.05138 Soh, K. W.; Koh, K. M. 3 2018 On graceful graphs: Cycles with 3-consecutive chords. Zbl 0493.05054 Koh, K. M.; Punnim, N. 3 1982 On the length of the lattice of sublattices of a finite distributive lattice. Zbl 0519.06008 Chen, C. C.; Koh, K. M. 3 1982 A note on power domination problem in diameter two graphs. Zbl 1301.05256 Soh, K. W.; Koh, K. M. 3 2014 Dominating broadcast labeling in Cartesian products of graphs. Zbl 1347.05144 Koh, K. M.; Soh, K. W. 3 2015 On the Frattini sublattice of a finite modular planar lattice. Zbl 0311.06006 Koh, K. M. 3 1973 Graceful numberings of cycles with a \(P_ 3\)-chord. Zbl 0568.05048 Koh, K. M.; Yap, K. Y. 3 1985 On the uniformity of the closed-set lattice of a tree. Zbl 0594.05027 Koh, K. M.; Poh, K. S. 3 1986 On the lattice of convex sublattices of a lattice. Zbl 0284.06006 Koh, Khee-Meng 2 1972 On the non-chain Frattini sublattices of finite distributive lattices. Zbl 0313.06006 Koh, K. M.; Poh, K. S. 2 1974 On the Frattini subalgebra of a Stone algebra. Zbl 0333.06004 Koh, K. M. 2 1975 An algorithm for determining \(\Phi(L)\) in finite distributive lattices. Zbl 0387.06008 Chen, C. C.; Koh, K. M. 2 1978 Two results on real zeros of chromatic polynomials. Zbl 1059.05048 Dong, F. M.; Koh, K. M. 2 2004 The chromaticity of odd wheels with a missing spoke. Zbl 0880.05038 Dong, F. M.; Liu, Y. P.; Koh, K. M. 2 1997 Constructions of sensitive graphs which are not strongly sensitive. Zbl 0747.05049 Koh, K. M.; Poh, K. S. 2 1988 Idempotent algebras with three essentially binary polynomials. Zbl 0429.08001 Koh, K. M. 2 1980 Another class of graceful trees. Zbl 0465.05028 Koh, K. M.; Rogers, D. G.; Tan, T. 2 1981 A graceful arboretum: A survey of graceful trees. Zbl 0462.05027 Koh, K. M.; Rogers, D. G.; Tan, T. 2 1979 Bounds for the coefficients of flow polynomials. Zbl 1117.05041 Dong, F. M.; Koh, K. M. 2 2007 On graphs having no chromatic zeros in \((1,2)\). Zbl 1124.05032 Dong, F. M.; Koh, K. M. 2 2006 On chromatic uniqueness of uniform subdivisions of graphs. Zbl 0796.05034 Teo, C. P.; Koh, K. M. 2 1994 Vertex-gluings of graphs with their closed-set lattices. Zbl 0654.05064 Koh, K. M.; Poh, K. S. 2 1987 An upper bound for the total restrained domination number of graphs. Zbl 1272.05150 Koh, Khee M.; Maleki, Zeinab; Omoomi, Behnaz 2 2013 On the length of the sublattice-lattice of a finite distributive lattice. Zbl 0528.06013 Koh, K. M. 2 1983 On a conjecture concerning optimal orientations of the Cartesian product of a triangle and an odd cycle. Zbl 0998.05016 Koh, K. M.; Tay, E. G. 2 2001 On the power domination number of the Cartesian product of graphs. Zbl 1439.05196 Koh, K. M.; Soh, K. W. 2 2019 Bounds for the real zeros of chromatic polynomials. Zbl 1169.05322 Dong, F. M.; Koh, K. M. 2 2008 On optimum summable graphs. Zbl 1103.05073 Koh, K. M.; Miller, Mirka; Smyth, W. F.; Wang, Yan 1 2006 Divisibility of certain coefficients of the chromatic polynomials. Zbl 1036.05021 Dong, F. M.; Koh, K. M.; Soh, C. A. 1 2004 Frattini sublattices of finite modular planar lattices. Zbl 0352.06008 Koh, K. M.; Goh, M. K. 1 1975 On the number of maximal sublattices of a finite distributive lattice. Zbl 0363.06009 Chen, C. C.; Koh, K. M. 1 1976 On the complementation of the CS(L) of a lattice L. Zbl 0367.06013 Koh, K. M.; Chua, T. C. 1 1976 Fibonacci trees. Zbl 0422.05027 Koh Khee Meng; Lee Peng Yee; Tan Tey 1 1978 On upper bounds for real roots of chromatic polynomials. Zbl 1043.05045 Dong, F. M.; Koh, K. M. 1 2004 Foundations of the chromatic polynomial. Zbl 1512.05213 Dong, Fengming; Koh, Khee Meng 1 2022 On the power domination number of the Cartesian product of graphs. Zbl 1439.05196 Koh, K. M.; Soh, K. W. 2 2019 Recent results on the power domination numbers of graph products. Zbl 1405.05138 Soh, K. W.; Koh, K. M. 3 2018 Power domination of the Cartesian product of graphs. Zbl 1346.05247 Koh, K. M.; Soh, K. W. 8 2016 Broadcast domination in tori. Zbl 1463.05423 Soh, Kian Wee; Koh, Khee-Meng 4 2015 Dominating broadcast labeling in Cartesian products of graphs. Zbl 1347.05144 Koh, K. M.; Soh, K. W. 3 2015 The gracefulness of the join of graphs. Zbl 1347.05196 Koh, K. M.; Phoon, L. Y.; Soh, K. W. 1 2015 Graph theory. Undergraduate mathematics. Zbl 1330.05001 Koh, Khee Meng; Dong, Fengming; Ng, Kah Loon; Tay, Eng Guan 1 2015 The gracefulness of the join of graphs. II. Zbl 1346.05254 Koh, K. M.; Phoon, L. Y.; Soh, K. W. 1 2015 Broadcast domination in graph products of paths. Zbl 1296.05156 Soh, K. W.; Koh, K. M. 8 2014 A note on power domination problem in diameter two graphs. Zbl 1301.05256 Soh, K. W.; Koh, K. M. 3 2014 An upper bound for the total restrained domination number of graphs. Zbl 1272.05150 Koh, Khee M.; Maleki, Zeinab; Omoomi, Behnaz 2 2013 Counting. 2nd ed. Zbl 1261.05001 Koh, Khee Meng; Tay, Eng Guan 1 2013 Max-min total restrained domination number. Zbl 1313.05281 Koh, K. M.; Maleki, Zeinab; Omoomi, Behnaz 1 2013 Reversing arcs in transitive tournaments to obtain maximum number of spanning cycles. Zbl 1313.05153 Koh, K. M.; Ting, T. S. 1 2013 On the total restrained domination edge critical graphs. Zbl 1289.05352 Koh, Khee Meng; Maleki, Zeinab; Omoomi, Benhaz 1 2013 The 3-connectivity of a graph and the multiplicity of zero “2” of its chromatic polynomial. Zbl 1244.05132 Dong, F. M.; Koh, K. M. 1 2012 On zero-free intervals in (1,2) of chromatic polynomials of some families of graphs. Zbl 1213.05074 Dong, F. M.; Koh, K. M. 1 2010 The maximum number of maximal independent sets in unicyclic connected graphs. Zbl 1207.05142 Koh, K. M.; Goh, C. Y.; Dong, F. M. 12 2008 Bounds for the real zeros of chromatic polynomials. Zbl 1169.05322 Dong, F. M.; Koh, K. M. 2 2008 A maximal zero-free interval for chromatic polynomials of bipartite planar graphs. Zbl 1139.05019 Dong, F. M.; Koh, K. M. 1 2008 Domination numbers and zeros of chromatic polynomials. Zbl 1187.05037 Dong, F. M.; Koh, K. M. 1 2008 Bounds for the coefficients of flow polynomials. Zbl 1117.05041 Dong, F. M.; Koh, K. M. 2 2007 Introduction to graph theory. H3 mathematics. Zbl 1140.05001 Koh, Khee Meng; Dong, Fengming; Tay, Eng Guan 1 2007 Maximal independent sets in graphs with at most \(r\) cycles. Zbl 1107.05044 Goh, Chee Ying; Koh, Khee Meng; Sagan, Bruce E.; Vatter, Vincent R. 14 2006 On optimal orientations of tree vertex-multiplications. Zbl 1104.05024 Koh, K. M.; Tay, E. G. 3 2006 On graphs having no chromatic zeros in \((1,2)\). Zbl 1124.05032 Dong, F. M.; Koh, K. M. 2 2006 On optimum summable graphs. Zbl 1103.05073 Koh, K. M.; Miller, Mirka; Smyth, W. F.; Wang, Yan 1 2006 Chromatic polynomials and chromaticity of graphs. Zbl 1070.05038 Dong, F. M.; Koh, K. M.; Teo, K. L. 121 2005 On optimal orientation of cycle vertex multiplications. Zbl 1072.05027 Ng, K. L.; Koh, K. M. 5 2005 The orientation number of two complete graphs with linkages. Zbl 1064.05071 Koh, K. M.; Ng, K. L. 4 2005 On the number of quasi-kernels in digraphs. Zbl 1051.05046 Gutin, Gregory; Koh, Khee Meng; Tay, Eng Guan; Yeo, Anders 11 2004 Chromatically unique multibridge graphs. Zbl 1031.05047 Dong, F. M.; Teo, K. L.; Little, C. H. C.; Hendy, M.; Koh, K. M. 5 2004 Two results on real zeros of chromatic polynomials. Zbl 1059.05048 Dong, F. M.; Koh, K. M. 2 2004 Divisibility of certain coefficients of the chromatic polynomials. Zbl 1036.05021 Dong, F. M.; Koh, K. M.; Soh, C. A. 1 2004 On upper bounds for real roots of chromatic polynomials. Zbl 1043.05045 Dong, F. M.; Koh, K. M. 1 2004 Optimal orientations of graphs and digraphs: A survey. Zbl 1009.05063 Koh, K. M.; Tay, E. G. 22 2002 Non-chordal graphs having integral-root chromatic polynomials. II. Zbl 0996.05051 Dong, F. M.; Teo, K. L.; Koh, K. M.; Hendy, M. D. 6 2002 Almost minimum diameter orientations of semicomplete multipartite and extended digraphs. Zbl 1012.05078 Gutin, Gregory; Koh, Khee Meng; Tay, Eng Guan; Yeo, Anders 6 2002 A note on the chromaticity of some 2-connected \((n,n+3)\)-graphs. Zbl 0994.05065 Dong, F. M.; Teo, K. L.; Koh, K. M. 3 2002 On optimal orientations of Cartesian products of trees. Zbl 0984.05042 Koh, Khee Meng; Tay, E. G. 9 2001 Sharp bounds for the number of 3-independent partitions and the chromaticity of bipartite graphs. Zbl 0988.05041 Dong, 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 0998.05016 Koh, K. M.; Tay, E. G. 2 2001 On optimal orientations of \(G\) vertex-multiplications. Zbl 0946.05036 Koh, K. M.; Tay, E. G. 10 2000 On optimal orientations of Cartesian products of graphs. II: Complete graphs and even cycles. Zbl 0945.05018 Koh, K. M.; Tay, E. G. 9 2000 On optimal orientations of Cartesian products with a bipartite graph. Zbl 0941.05035 Koh, K. M.; Tay, E. G. 6 1999 On optimal orientations of Cartesian products of even cycles. Zbl 0990.05062 Koh, K. M.; Tay, E. G. 6 1998 Non-chordal graphs having integral-root chromatic polynomials. Zbl 0894.05014 Dong, F. M.; Koh, K. M. 6 1998 On optimal orientations of Cartesian products of graphs. I. Zbl 0957.05051 Koh, K. M.; Tay, E. G. 6 1998 The search for chromatically unique graphs. II. Zbl 0879.05031 Koh, K. M.; Teo, K. L. 25 1997 The number of kings in a multipartite tournament. Zbl 0871.05028 Koh, K. M.; Tan, B. P. 12 1997 Triangle-free graphs with large degree. Zbl 0884.05055 Chen, C. C.; Jin, G. P.; Koh, K. M. 11 1997 On optimal orientations of even Cartesian products of even cycles and paths. Zbl 0881.05041 Koh, K. M.; Tay, E. G. 10 1997 Optimal orientations of products of paths and cycles. Zbl 0886.05060 Koh, K. M.; Tay, E. G. 10 1997 On the structure and chromaticity of graphs in which any two colour classes induce a tree. Zbl 0893.05004 Dong, F. M.; Koh, K. M. 4 1997 On graphs in which any pair of colour classes but one induces a tree. Zbl 0874.05023 Dong, F. M.; Koh, K. M. 4 1997 The chromaticity of odd wheels with a missing spoke. Zbl 0880.05038 Dong, F. M.; Liu, Y. P.; Koh, K. M. 2 1997 The diameter of an orientation of a complete multipartite graph. Zbl 0846.05038 Koh, K. M.; Tan, B. P. 14 1996 The minimum diameter of orientations of complete multipartite graphs. Zbl 0861.05029 Koh, K. M.; Tan, B. P. 14 1996 Number of 4-kings in bipartite tournaments with no 3-kings. Zbl 0851.05053 Koh, K. M.; Tan, B. P. 11 1996 Chromaticity of series-parallel graphs. Zbl 0856.05035 Koh, K. M.; Teo, C. P. 3 1996 The sizes of graphs with small girth. Zbl 0868.05031 Dong, F. M.; Koh, K. M. 1 1996 Kings in multipartite tournaments. Zbl 0841.05038 Koh, K. M.; Tan, B. P. 16 1995 Multipartite tournaments with prescribed sets of kings. Zbl 0820.05028 Koh, K. M.; Tan, B. P. 6 1995 Chromatic classes of 2-connected \((n,n+3)\)-graphs with at least two triangles. Zbl 0796.05033 Koh, K. M.; Teo, K. L. 6 1994 On chromatic uniqueness of uniform subdivisions of graphs. Zbl 0796.05034 Teo, C. P.; Koh, K. M. 2 1994 On the higher-order edge toughness of a graph. Zbl 0789.05086 Chen, C. C.; Koh, K. M.; Peng, Y. H. 8 1993 Principles and techniques in combinatorics. Zbl 0786.05002 Chen, Chuan-Chong; Koh, Khee-Meng 24 1992 The number of shortest cycles and the chromatic uniqueness of a graph. Zbl 0770.05064 Teo, C. P.; Koh, K. M. 10 1992 Some results on chromatically unique graphs. Zbl 0940.05502 Koh, K. M.; Teo, C. P. 4 1992 On the existence of balanced graphs with given egde-toughness and edge- connectivity. Zbl 0817.05036 Peng, Y. H.; Chen, C. C.; Koh, K. M. 1 1992 On the spectrum of the closed-set lattice of a graph. Zbl 0784.05058 Koh, K. M.; Poh, K. S. 1 1992 The chromatic uniqueness of certain broken wheels. Zbl 0752.05029 Koh, K. M.; Teo, C. P. 11 1991 Chromatic classes of certain 2-connected \((n,n+2)\)-graphs. Zbl 0760.05044 Teo, K. L.; Koh, K. M. 10 1991 Chromatic equivalence of a graph and its complement. Zbl 0829.05031 Koh, K. M.; Teo, C. P. 1 1991 Vertex-gluings of sensitive graphs. Zbl 0733.05052 Koh, K. M.; Poh, K. S. 1 1991 The search for chromatically unique graphs. Zbl 0727.05023 Koh, K. M.; Teo, K. L. 55 1990 The chromaticity of complete bipartite graphs with at most one edge deleted. Zbl 0712.05027 Teo, C. P.; Koh, K. M. 15 1990 Two classes of chromatically unique graphs. Zbl 0697.05027 Koh, K. M.; Goh, B. H. 10 1990 The 2-Hamiltonian cubes of graphs. Zbl 0703.05038 Koh, K. M.; Teo, K. L. 5 1989 On the sequence of closed-set lattices of a graph. Zbl 0792.05139 Koh, K. M.; Poh, K. S. 1 1989 The chromaticity of some families of complete tripartite graphs. Zbl 0760.05037 Chia, Gek-Ling; Goh, Beng-Huay; Koh, Khee-Meng 10 1988 Constructions of sensitive graphs which are not strongly sensitive. Zbl 0747.05049 Koh, K. M.; Poh, K. S. 2 1988 On the edge-toughness of a graph. I. Zbl 0688.05067 Peng, Y. H.; Chen, C. C.; Koh, K. M. 1 1988 The thickness and the closed-set lattice of a graph. Zbl 0659.05080 Koh, K. M.; Poh, K. S. 1 1988 Products of graphs with their closed-set lattices. Zbl 0672.05067 Koh, K. M.; Poh, K. S. 1 1988 Vertex-gluings of graphs with their closed-set lattices. Zbl 0654.05064 Koh, K. M.; Poh, K. S. 2 1987 On the uniformity of the closed-set lattice of a tree. Zbl 0594.05027 Koh, K. M.; Poh, K. S. 3 1986 On an isomorphism problem on the closed-set lattice of a graph. Zbl 0556.05059 Koh, K. M.; Poh, K. S. 5 1985 On a construction of critical graphs which are not sensitive. Zbl 0575.05048 Koh, K. M.; Poh, K. S. 4 1985 Graceful numberings of cycles with a \(P_ 3\)-chord. Zbl 0568.05048 Koh, K. M.; Yap, K. Y. 3 1985 Maximum-sized antichains in minimal posets. Zbl 0602.06001 Koh, K. M. 1 1985 On the sublattice-lattice of a lattice. Zbl 0544.06004 Chen, C. C.; Koh, K. M.; Teo, K. L. 1 1984 On the grading numbers of direct products of chains. Zbl 0538.06007 Chen, C. C.; Koh, K. M.; Lee, S. C. 1 1984 On the lattice of maximum-sized antichains of a finite poset. Zbl 0524.06003 Koh, K. M. 9 1983 On the length of the sublattice-lattice of a finite distributive lattice. Zbl 0528.06013 Koh, K. M. 2 1983 On graceful graphs: Cycles with 3-consecutive chords. Zbl 0493.05054 Koh, K. M.; Punnim, N. 3 1982 On the length of the lattice of sublattices of a finite distributive lattice. Zbl 0519.06008 Chen, C. C.; Koh, K. M. 3 1982 On finite distributive lattices of grade one. Zbl 0497.06010 Chen, C. C.; Koh, K. M.; Lee, S. C. 1 1982 Another class of graceful trees. Zbl 0465.05028 Koh, K. M.; Rogers, D. G.; Tan, T. 2 1981 ...and 31 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 637 Authors 53 Koh, Khee Meng 24 Dong, Fengming 9 Brown, Jason Ira 9 Chen, Chuan-Chong 9 Makowsky, Johann-Andreas 9 Tomescu, Ioan 8 Liu, Ruying 8 Peng, Yee-Hock 8 Tan, Boon Poh 8 Tay, Eng Guan 7 Dankelmann, Peter 7 Sethuraman, G. 6 Chia, Gek-Ling 6 Erey, Aysel 6 Shrock, Robert E. 6 Soh, Kian Wee 6 Zhao, Haixing 5 Alikhani, Saeid 5 Dehmer, Matthias 5 Gurjar, Rohit 5 Hasni, Roslan 5 Hertz, Alain 5 Mélot, Hadrien 5 Poh, K. S. 5 Teo, Kee Leong 5 Tu, Jianhua 4 Adams, Michael E. 4 Bokhary, Syed Ahtsham ul Haq 4 Lai, Hong-Jian 4 Lau, Gee-Chon 4 Longani, Vites 4 Petrović, Vojislav 4 Ragukumar, P. 4 Sazdanović, Radmila 4 Teo, Chung-Piaw 4 Thierauf, Thomas 3 Bell, Jocelyn R. 3 Bhattacharya, Bhaswar B. 3 Chang, Shu-Chiuan 3 Emmert-Streib, Frank 3 Galeana-Sánchez, Hortensia 3 Garijo, Delia 3 Geĭn, Pavel Aleksandrovich 3 Ghorbani, Modjtaba 3 Hernández-Cruz, César 3 Heunen, Chris 3 Ihm, Insung 3 Illingworth, Freddie 3 Liu, Yanpei 3 Long, Shude 3 Mihoubi, Miloud 3 Morgan, Kerri 3 Mukherjee, Sumit 3 Nešetřil, Jaroslav 3 Noy, Marc 3 Park, Jung-Heum 3 Qian, Jianguo 3 Rautenbach, Dieter 3 Ravve, Elena V. 3 Schacht, Mathias 3 Schmid, Jurg 3 Shi, Yongtang 3 Slater, Peter James 3 Surmacs, Michel 3 Vishnoi, Nisheeth K. 3 Wong, H. W. Willie 3 Zhang, Meiqiao 3 Zhang, Ruixue 2 Adamaszek, Michal 2 Adams, Henry 2 Al-Janabi, Haneen 2 Ameen, Ameen Shaman 2 Anderson, Sarah E. 2 Averbouch, Ilia 2 Bacsó, Gábor 2 Baranskiĭ, Vitaliĭ Anatol’evich 2 Barik, Sasmita 2 Bedenknecht, Wiebke 2 Bläser, Markus 2 Bonte, Sébastien 2 Borowiecki, Mieczysław 2 Bouchemakh, Isma 2 Chang, An 2 Chen, Bin 2 Chen, Xiangen 2 Chen, Yaojun 2 Chen, Zengqiang 2 Cochran, Garner 2 Copel, Hounam B. 2 Czabarka, Éva 2 de Mier, Anna 2 Dell, Holger 2 Devillez, Gauvain 2 Dominic, Charles 2 Drgas-Burchardt, Ewa 2 Du, Junfeng 2 Fenner, Stephen A. 2 Gasparovic, Ellen 2 Goddard, Wayne Dean 2 Godlin, Benny ...and 537 more Authors all top 5 Cited in 116 Serials 125 Discrete Mathematics 32 Discrete Applied Mathematics 24 Graphs and Combinatorics 18 Journal of Graph Theory 17 Algebra Universalis 17 European Journal of Combinatorics 11 Journal of Combinatorial Theory. Series B 10 AKCE International Journal of Graphs and Combinatorics 9 The Electronic Journal of Combinatorics 7 The Australasian Journal of Combinatorics 7 Journal of Discrete Mathematical Sciences & Cryptography 5 Information Processing Letters 5 Applied Mathematics and Computation 5 Discussiones Mathematicae. Graph Theory 5 Electronic Journal of Graph Theory and Applications 4 SIAM Journal on Discrete Mathematics 4 Journal of Combinatorial Optimization 4 Journal of Applied Mathematics and Computing 3 Journal of Statistical Physics 3 Information Sciences 3 Quaestiones Mathematicae 3 Theoretical Computer Science 3 Order 3 Linear Algebra and its Applications 3 Journal of Integer Sequences 3 Advances and Applications in Discrete Mathematics 3 Discrete Mathematics, Algorithms and Applications 2 Journal of Combinatorial Theory. 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Académie des Sciences, Paris 2 Mediterranean Journal of Mathematics 2 Sibirskie Èlektronnye Matematicheskie Izvestiya 2 Proceedings of the Steklov Institute of Mathematics 2 Involve 2 ISRN Discrete Mathematics 2 Journal of Mathematics 2 The Art of Discrete and Applied Mathematics 1 Acta Mathematica Academiae Scientiarum Hungaricae 1 Computers & Mathematics with Applications 1 Journal of Mathematical Physics 1 Letters in Mathematical Physics 1 Mathematical Methods in the Applied Sciences 1 Physica A 1 Mathematics Magazine 1 Czechoslovak Mathematical Journal 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of Algebra 1 Journal of Computer and System Sciences 1 Journal of the Korean Mathematical Society 1 Journal of Soviet Mathematics 1 Proceedings of the American Mathematical Society 1 Proceedings of the Edinburgh Mathematical Society. Series II 1 Revista Colombiana de Matemáticas 1 Acta Mathematicae Applicatae Sinica 1 SIAM Journal on Algebraic and Discrete Methods 1 Annals of Pure and Applied Logic 1 Acta Mathematicae Applicatae Sinica. English Series 1 Discrete & Computational Geometry 1 International Journal of Approximate Reasoning 1 Applied Mathematics Letters 1 Journal of the Ramanujan Mathematical Society 1 Random Structures & Algorithms 1 International Journal of Algebra and Computation 1 Mathematical Structures in Computer Science 1 International Journal of Foundations of Computer Science 1 Discrete Mathematics and Applications 1 Applied Mathematical Modelling 1 International Journal of Computer Mathematics 1 New Zealand Journal of Mathematics 1 Journal of Algebraic Combinatorics 1 Applied Categorical Structures 1 Applied Mathematics. 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Terceira Série 1 Proyecciones 1 The Journal of Prime Research in Mathematics 1 Mathematics in Computer Science ...and 16 more Serials all top 5 Cited in 39 Fields 404 Combinatorics (05-XX) 44 Order, lattices, ordered algebraic structures (06-XX) 35 Computer science (68-XX) 22 Number theory (11-XX) 11 Operations research, mathematical programming (90-XX) 9 Convex and discrete geometry (52-XX) 9 Statistical mechanics, structure of matter (82-XX) 8 Probability theory and stochastic processes (60-XX) 7 Mathematical logic and foundations (03-XX) 5 Biology and other natural sciences (92-XX) 4 Commutative algebra (13-XX) 4 Manifolds and cell complexes (57-XX) 4 Information and communication theory, circuits (94-XX) 3 General algebraic systems (08-XX) 3 Field theory and polynomials (12-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 3 Harmonic analysis on Euclidean spaces (42-XX) 3 Functional analysis (46-XX) 3 Algebraic topology (55-XX) 3 Statistics (62-XX) 2 History and biography (01-XX) 2 Algebraic geometry (14-XX) 2 Real functions (26-XX) 2 Measure and integration (28-XX) 2 Several complex variables and analytic spaces (32-XX) 2 Special functions (33-XX) 2 General topology (54-XX) 2 Global analysis, analysis on manifolds (58-XX) 2 Numerical analysis (65-XX) 1 Associative rings and algebras (16-XX) 1 Nonassociative rings and algebras (17-XX) 1 Category theory; homological algebra (18-XX) 1 Group theory and generalizations (20-XX) 1 Functions of a complex variable (30-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Approximations and expansions (41-XX) 1 Operator theory (47-XX) 1 Quantum theory (81-XX) 1 Mathematics education (97-XX) Citations by Year