13 citations · 23 across the 7 of their papers we have counts for
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math.CO2016
Short cycles in digraphs and the Caccetta-Häggkvist conjecture
Muhammad A. Khan
In the theory of digraphs, the study of cycles is a subject of great importance and has given birth to a number of deep questions such as the Behzad-Chartrand-Wall conjecture (1970…
math.MG2016★ 13 cited
The geometry of homothetic covering and illumination
Karoly Bezdek, Muhammad A. Khan
At a first glance, the problem of illuminating the boundary of a convex body by external light sources and the problem of covering a convex body by its smaller positive homothetic…
math.MG2016★ 1 cited
Contact numbers for sphere packings
Karoly Bezdek, Muhammad A. Khan
In discrete geometry, the contact number of a given finite number of non-overlapping spheres was introduced as a generalization of Newton's kissing number. This notion has not only…