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Driss Abouabdillah
'''Driss Abouabdillah''' (or Driss Bouabdillah) is a contemporary Moroccan mathematician born in [[Meknès]] on 1 april [[1948]] . Teacher of [[Algebra]] and [[Geometry]] at the ENS (higher teacher training school) of [[Rabat]].

== Contributions ==

In Geoméetry he gave several characterizations of similarities as mappings that preserve circles or spheres,([http://www.geocities.com/bwakeel/]).

He proposed an alternative axiomatic approach to Euclidean Geometry by giving an axiomatic definition of equipollence.([http://www.geocities.com/bwakeel/]).

He studied maximal sub-groups of the group of positive isometries and gave several examples of such subgroups.

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[8] - D. Abouabdillah & J.Turgeon, On a 1937 problem of Paul Erdös concerning certain finite sequences of integers none divisible by another. Congressus Numerantium. A conference journal on numerical themes. Vol.43, December,1984, (Winnipeg, Canada), pp.19-22.

[[Category:Moroccan mathematicians]]
[[Category:1948 births]]