For a while now I have been thinking about structural restrictions that elementary embeddings must satisfy in set theory. Some of my findings were reported in Oaxaca during the XIII SLALM. An updated version of these results has been accepted for publication in the Proceedings of the Logic Coloquium 2007. You can find it in my papers page.
A kind of library
Andrés E. Caicedo
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A kind of library 
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