The real van Kampen theorem for toposes

Steve Lack (17/04/02)

This talk is based on joint work with Marta Bunge, and now forms part of a paper entitled ``Van Kampen theorem for toposes'', to appear in Advances in Mathematics. I will describe improvements to the version presented in my talk entitled ``A van Kampen theorem for toposes''.

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Steve Lack

Last modified: Thu Aug 14 10:04:06 EST 2003