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SUMMARY:Chasing Categories - Julia Goedecke (DPMMS)
DTSTART:20070209T160000Z
DTEND:20070209T170000Z
UID:TALK6683@talks.cam.ac.uk
CONTACT:4847
DESCRIPTION:I will give a glimpse of the broad subject of Homological Alge
 bra through some famous diagram lemmas\, called the Five-Lemma\, the Nine-
 Lemma and the Snake-Lemma. We will prove one of these by "diagram chasing"
 \, which is fun and involves lots of colours. I will also introduce Catego
 ry Theory by giving some definitions and examples\, and then we will see h
 ow we can make these diagram lemmas hold in a more general context.
LOCATION:MR5\, Centre for Mathematical Sciences
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