We describe a general method for proving or disproving several prime decomposition theorems for 3-manifolds, classical and global knots, spatial graphs and  3-orbifolds. All proofs are based on a new version of the famous Diamond Lemma, which turned out to be very useful in Algebra and Analysis.

How to participate in this seminar:

1. Book your nearest ACE facility;

2. Notify the seminar convenor at La Trobe University  (Yuri Nikolayevsky) to notify you will be participating.

No access to an ACE facility? Contact Maaike Wienk to arrange a temporary Visimeet licence for remote access (limited number of licences available – first come first serve)