Generalized Geometry, Mirror Symmetry and T-Duality (P Bouwknegt); Non(anti) commutative N=2 Supersymmetric U(N) Gauge Theory (K Ito); Noncommutative Solitons (O Lechtenfeld); Anomalies, Gerbes, and Twisted K-Theory (J Mickelsson); Introduction to Gerbe, Twisted K-Theory and Noncommutative Geometry (H Moriyoshi); Two-Dimensional Yang-Mills Theory and Instanton Counting (K Ohta); and other papers.