I have been busy completing some mathematics work with Peter Scott who is in Melbourne for a month. One paper which was first out in 2007 is nearing completion now with new material added during the last year. It is about 125 pages long on JSJ decomposition of Poincaré Duality pairs and deals with many loose ends that have bothered us. The second with the same theme ( Lawrence Reeves is also involved) is shorter and compares various such decomposition. These complete some of our long standing concerns. Then there is one more long paper which is essentially complete and has to be tidied up. These may not interest others but it is a satisfactory conclusion of problems that engaged us for a long time.
Tuesday, January 28, 2020
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