Title of article :
Filtered colimits in the effective topos
Author/Authors :
Jaap van Oosten، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2006
Abstract :
It is shown that the “constant sheaves” functor image does not preserve ω1-filtered colimits, and that as a consequence of this, the full subcategory of image on the countable projective objects is not dense.
Journal title :
Journal of Pure and Applied Algebra
Journal title :
Journal of Pure and Applied Algebra