Five Decades As A Mathematician And Educator: On The 80th Birthday Of Professor Yung-chow Wong

My early life, 1913-1948, Y.-C. Wong; on the Eigenvalues and numerical range of a quaternionic matrix, Y.-H. Au-Yeung; monopoles as fibre bundles and strings as infinite rank tensors, H.-M. Chan and S.T. Tsou; approximation by affine functions, J.-T. Chan; a review on optimal design for mixture models, L.-Y. Chan; Griffiths' formalism on the calculus of variations via exterior differential systems, W.-S. Cheung; change of measures, likelihood ratio Martingales and some applications, T.L. Lai; beyond the impossibility of a 16-square identity, K.Y. Lam and P. Yiu; Lie group homomorphisms which induce isomorphisms of representation rings, S.P. Lam; a lifting theorem, and rings with isomorphic matrix rings, T.Y. Lam; on ternary equations in square-free and prime variables, Y.-L. Lau et al; instantons and three-manifolds, R. Lee; some results on the c-numerical range, C.-K. Li and Y.-T. Poon; a matrix formulation of the complex flag manifolds, Q.-K. Liu; invariants of strongly pseudoconvex CR manifolds, H.S. Luk and S.S-.T. Yau; the integral formulas of the Pontrjagin characteristic forms on an oriented differentiable manifold, X.-M. Mei; on the construction of tensor fields and connections on the frame bundle, K.P. Mok; cellular manufacturing systems - formulation and algorithmic issues, S.M. Ng; which inscribed N-Gon in an ellipse has the longest perimeter?, M.K. Siu and K.M. Tsang; hyperbolicity problems in function theory, Y.-T. Siu; extreme positive operators on convex cones, B.-S. Tam; the golden mean and its way into physics, B.Y. Tong.