1. Distances between Banach spaces  (1998)

2. Projections in normed linear spaces and sufficient enlargements  (August 1999)

3. Classification of total subspaces of dual Banach spaces  (Berkeley, September 1999)

4. Minimal-volume projections of cubes (Texas A&M, July 2001)

5. A new class of normed spaces with non-trivial groups of isometries (Texas A&M, July 2002).

6. Minimal-volume sufficient enlargements of unit balls of finite dimensional normed spaces (Vancouver, PIMS, August 2002).

7. Some extremal problems for linear operators in Banach spaces (Texas A&M, August 2003).

8. Sobolev spaces on graphs (Princeton, Workshop on Discrete Metric Spaces, August 2003)