55 citations · 62 across the 2 of their papers we have counts for
2 papers
math.CO2012★ 7 cited
On perturbations of almost distance-regular graphs
Cristina Dalfó, Edwin R. van Dam, Miquel Angel Fiol
In this paper we show that certain almost distance-regular graphs, the so-called -punctually walk-regular graphs, can be characterized through the cospectrality of their perturb…
math.CO2012★ 55 cited
On almost distance-regular graphs
Cristina Dalfó, Edwin R. van Dam, Miquel Angel Fiol +2
Distance-regular graphs are a key concept in Algebraic Combinatorics and have given rise to several generalizations, such as association schemes. Motivated by spectral and other al…