| How many squares can a string contain? AS Fraenkel, J Simpson Journal of Combinatorial Theory, Series A 82 (1), 112-120, 1998 | 143 | 1998 |
| How many squares must a binary sequence contain? AS Fraenkel, RJ Simpson the electronic journal of combinatorics, R2-R2, 1995 | 85 | 1995 |
| How many runs can a string contain? SJ Puglisi, J Simpson, WF Smyth Theoretical Computer Science 401 (1-3), 165-171, 2008 | 72 | 2008 |
| The maximum number of runs in a string F Franěk, RJ Simpson, WF Smyth | 70 | 2003 |
| A new chrome black selective absorbing surface PM Driver, RW Jones, CL Riddiford, RJ Simpson Solar Energy 19 (3), 301-306, 1977 | 60 | 1977 |
| Multi-dimensional versions of a theorem of Fine and Wilf and a formula of Sylvester R Simpson, R Tijdeman Proceedings of the American Mathematical Society 131 (6), 1661-1671, 2003 | 57 | 2003 |
| Modified Padovan words and the maximum number of runs in a word J Simpson Australasian Journal of Combinatorics 46, 129-145, 2010 | 54 | 2010 |
| The exact number of squares in Fibonacci words AS Fraenkel, J Simpson Theoretical Computer Science 218 (1), 95-106, 1999 | 53 | 1999 |
| Disjoint covering systems of rational Beatty sequences RJ Simpson Discrete mathematics 92 (1-3), 361-369, 1991 | 39 | 1991 |
| A note on the union-closed sets conjecture I Roberts, J Simpson Australasian Journal of Combinatorics 47, 265-267, 2010 | 33 | 2010 |
| Vertex-magic total labelings of complete bipartite graphs ID Gray, JA MacDougall, RJ Simpson, WD Wallis Ars Combinatoria 69, 117-128, 2003 | 33 | 2003 |
| A two dimensional Steinhaus theorem. JF Geelen, RJ Simpson Australas. J Comb. 8, 169-198, 1993 | 29 | 1993 |
| Exact coverings of the integers by arithmetic progressions RJ Simpson Discrete mathematics 59 (1-2), 181-190, 1986 | 29 | 1986 |
| Non-repetitive tilings JD Currie, J Simpson the electronic journal of combinatorics, R28-R28, 2002 | 28 | 2002 |
| Regular coverings of the integers by arithmetic progressions R Simpson Acta Arithmetica 45 (2), 145-152, 1985 | 27 | 1985 |
| Necessary conditions for distinct covering systems with square-free moduli RJ Simpson, D Zeilberger Acta Arith 59 (1), 59-70, 1991 | 24 | 1991 |
| Application of symmetric chains to an optimization problem in the security of statistical databases M Miller, I Roberts, J Simpson Bull. Inst. Combin. Applns 2, 47-58, 1991 | 24 | 1991 |
| Convex lattice polygons of minimum area RJ Simpson Bulletin of the Australian Mathematical Society 42 (3), 353-367, 1990 | 24 | 1990 |
| Words with simple Burrows-Wheeler transforms J Simpson, SJ Puglisi the electronic journal of combinatorics, R83-R83, 2008 | 23 | 2008 |
| Disjoint beatty sequences J Simpson Integers 4 (A12), A12, 2004 | 22 | 2004 |
Simon J. PuglisiAssociate Professor, Department of Computer Science, University of HelsinkiVerified email at cs.helsinki.fi
