23 citations · 138 across the 38 of their papers we have counts for
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math.CO2009★ 23 cited
Every flock generalised quadrangle has a hemisystem
John Bamberg, Michael Giudici, Gordon Royle
We prove that every flock generalised quadrangle contains a hemisystem, and we provide a construction method which unifies our results with the examples of Cossidente and Penttila…
math.CO2009★ 2 cited
A geometric construction of Mathon's perp-system from four lines of PG(5,3)
John Bamberg, Frank De Clerck
We give a new construction of the Mathon perp-system of the five dimensional projective space over the field with three elements, starting from four lines.