The Topology Seminar, University of Edinburgh presents 3 lectures on "Singularities, knots and surgery" given on 16 March, 2012.
1. Maciej Borodzik (Warsaw) "Topological aspects of semicontinuity of spectra of singular points" (http://www.maths.ed.ac.uk/~aar/papers/bnr1.pdf)
2. Andras Nemethi (Budapest) "Milnor fibers for non-isolated singularities" (http://www.maths.ed.ac.uk/~aar/papers/bnr3.pdf)
3. Andrew Ranicki (Edinburgh) "Algebraic surgery in codimensions 1 and 2" (http://www.maths.ed.ac.uk/~aar/papers/bnr2.pdf)
The links to the corresponding 3 Arxiv preprints are also available from http://www.maths.ed.ac.uk/~aar/papers