Designs, Codes and Cryptography

, Volume 44, Issue 1–3, pp 217–221 | Cite as

Finite structures with prescribed numbers of orbits of their automorphism group



We discuss the problem of existence of finite structures (groups, linear spaces, graphs, ...) with prescribed numbers of orbits of their automorphism groups on the various types of elements.


Orbits Automorphism groups 

AMS Classifications

20B25 20D45 


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Faculté des Sciences Appliquées, Service de MathématiquesUniversité Libre de BruxellesBruxellesBelgium
  2. 2.Faculté des Sciences, Service de GéométrieUniversité Libre de BruxellesBruxellesBelgium

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