publication venue for The Graham-Knuth-Patashnik recurrence: Symmetries and continued fractions. 28:1-72. 2021 Generalized Stirling Permutations and Forests: Higher-Order Eulerian and Ward Numbers. 22:#P3.37. 2015 Gromov hyperbolicity in strong product graphs. 20:1-22. 2013 Distortion of the hyperbolicity constant of a graph. 19:1-18. 2012 On the Hyperbolicity Constant of Line Graphs. 18:1-18. 2011