Topics in almost hermitian geometry and related fields : proceedings in honor of Professor K Sekigawa's 60th birthday : Niigata, Japan, 1-3 November 2004

Preface; CONTENTS; CONTRIBUTORS; On g-natural metrics with constant scalar curvature on unit tangent sphere bundles M.T.K. Abbassi and O. Kowalski; Magnetic mean operators on a Kahler manifold T. Adachi; Yang-Mills fields analogue of biharmonic maps C. Bejan and H. Urakawa; Invariant and anti-invariant unit vector fields T.Q. Binh, E. Boeckx and L. Vanhecke; A new structure on unit tangent sphere bundles J.T. Cho and S.H. Chun; Application of Bochner- Weizenbock formulas to symplectic and complex pairs to be Kahler pairs in dimension four I. Garcia-Ramirez, E. Garcia&Rio and Y. Matsushita