Here are some of my older publications.
Topological games and topological groups
Closed graph theorems and Baire spaces
Non-smooth Analysis, Optimization Theory and Banach space Theory - Open problems in Topology II
Separate and joint continuity of homomorphisms defined on topological groups
Norm continuity of weakly continuous mappings into Banach spaces
Quasicontinuous selections of upper continuous set-valued mappings
Lipschitz functions with prescribed derivatives and subderivatives
Game characterisation of fragmentability of topological spaces
Some recent results concerning weak Asplund spaces
Exposing conditions implying uniformity of rotundity
On a Banach space without a weak mid-point locally uniformly rotund norm
Usco selections of densely defined set-valued mappings
A selection theorem for quasi-lower semicontinuous set-valued mappings
The relationship between Goldstine's theorem and the convex point of continuity property
A comtinuity property related to an index of non-WCG and its implications