An open problem , which may interest you if you work in discrete mathematics, number theory, combinatorics, code theory,
cryptography... (well it interested people from each of these fields at least once!) A solution to this problem has far stretching consequences!
Oberwolfach experiences , a file of my experiences of a three-month stay in Oberwolfach as a Leibniz Fellow.
Open problems of the Hanoi-conference on Polynomial Automorphisms and Related Subjects.