Mathematics Experts

Che Man Cheng, Raymond

Associate Professor
University of Macau

Che Man Cheng, Raymond


Che Man CHENG, Raymond is associate professor at University of Macau. He received his PhD in Mathematics from The University of Hong Kong, Hong Kong.

Research Interest

Matrix theory, including numerical ranges, eigenvalues and singular values, norms of commutators, and Hurwitz matrix equations


  • Cheng CM. An approximation problem with respect to symmetric gauge functions with application to matrix spaces. Linear and Multilinear Algebra. 1991 Jul 1;29(3-4):169-80.

  • Cheng CM. Two results on C-congruence numerical radii. Tamkang J. Math. 1990;21:59-64.

  • Cheng CM. A note on interlacing polynomials. Southeast Asian Bull. Math. 1990;14:25-6.

Global Experts from Macao

Global Experts in Subject

Share This Profile
Recommended Conferences
View more
Relevant Topics