Hypercomplex structures on special classes of nilpotent and solvable lie groups, M.L. Barberis; twistor quotients of hyperKaehler manifolds, R. Bielawski; quaternionic contact structures, O. Biquard; a new construction of homogeneous quaternionic manifolds and related geometric structures, V. Cortes; quaternion Kaehler flat manifolds, I.G. Dotti; a canonical hyperKaehler metric on the total space of a cotangent bundle, D. Kaledin; special spinors and contact geometry, A. Moroianu; brane solitons and hypercomplex structures, G. Papadopoulos; hypercomplex geometry, H. Pedersen; examples of hyperKaehler connections with torsion, Y.S. Poon; a new weight system on chord diagrams via hyperKaehler geometry, J. Sawon; vanishing theorems for quaternionic Kaehler manifolds, U. Semmelmann and G. Weingart; weakening holonomy, A. Swann; special Kaehler geometry, A. Van Proeyen; singularities in hyperKaehler geometry, M. Verbitsky; other papers.
