| Proper and unit tolerance graphs KP Bogart, PC Fishburn, G Isaak, L Langley Discrete Applied Mathematics 60 (1-3), 99-117, 1995 | 83 | 1995 |
| Star-critical Ramsey numbers J Hook, G Isaak Discrete Applied Mathematics 159 (5), 328-334, 2011 | 55 | 2011 |
| Distinguishing colorings of Cartesian products of complete graphs MJ Fisher, G Isaak Discrete mathematics 308 (11), 2240-2246, 2008 | 54 | 2008 |
| On the de Bruijn Torus problem G Hurlbert, G Isaak Journal of Combinatorial Theory, Series A 64 (1), 50-62, 1993 | 49 | 1993 |
| Sum List Coloring Arrays G Isaak the electronic journal of combinatorics, N8-N8, 2002 | 45 | 2002 |
| 2-competition graphs G Isaak, SR Kim, TA McKees, FR McMorris, FS Roberts SIAM Journal on Discrete Mathematics 5 (4), 524-538, 1992 | 40 | 1992 |
| A characterization of graphs that ensure the existence of stable matchings H Abeledo, G Isaak Mathematical social sciences 22 (1), 93-96, 1991 | 37 | 1991 |
| Sum list coloring block graphs G Isaak Graphs and Combinatorics 20, 499-506, 2004 | 35 | 2004 |
| The reversing number of a diagraph JP Barthélemy, O Hudry, G Isaak, FS Roberts, B Tesman Discrete Applied Mathematics 60 (1-3), 39-76, 1995 | 33 | 1995 |
| Representations of graphs modulo n AB Evans, G Isaak, DA Narayan Discrete Mathematics 223 (1-3), 109-123, 2000 | 30 | 2000 |
| Proper and unit bitolerance orders and graphs KP Bogart, G Isaak Discrete Mathematics 181 (1-3), 37-51, 1998 | 27 | 1998 |
| Hamiltonian powers in threshold and arborescent comparability graphs S Donnelly, G Isaak Discrete Mathematics 202 (1-3), 33-44, 1999 | 22 | 1999 |
| Powers of Hamiltonian paths in interval graphs G Isaak Journal of Graph Theory 28 (1), 31-38, 1998 | 22 | 1998 |
| Tournaments as feedback arc sets G Isaak the electronic journal of combinatorics, R20-R20, 1995 | 17 | 1995 |
| Greedy rankings and arank numbers G Isaak, R Jamison, D Narayan Information Processing Letters 109 (15), 825-827, 2009 | 13 | 2009 |
| A hierarchy of classes of bounded bitolerance orders G Isaak, KL Nyman, AN Trenk Ars Combinatoria 69, 33-54, 2003 | 13 | 2003 |
| New constructions for De Bruijn tori G Hurlbert, G Isaak Designs, Codes and Cryptography 6 (1), 47-56, 1995 | 12 | 1995 |
| Integer and fractional security in graphs G Isaak, P Johnson, C Petrie Discrete Applied Mathematics 160 (13-14), 2060-2062, 2012 | 11 | 2012 |
| Hamiltonicity of digraphs for universal cycles of permutations G Isaak European Journal of Combinatorics 27 (6), 801-805, 2006 | 11 | 2006 |
| Equivalence class universal cycles for permutations G Hurlbert, G Isaak Discrete Mathematics 149 (1-3), 123-129, 1996 | 10 | 1996 |
