Papers focus on topics in matrix theory and generalized complex function theory.

Table of Contents

• I. V. Kovalishina and V. P. Potapov -- The multiplicative structure of analytic real \(J\)-expansive matrix-valued functions
• V. P. Potapov -- General theorems on the structure and the splitting off of elementary factors of analytic matrix-valued functions
• I. V. Kovalishina and V. P. Potapov -- An indefinite metric in the Nevanlinna-Pick problem
• V. P. Potapov -- Linear fractional transformations of matrices
• I. V. Kovalishina and V. P. Potapov -- The radii of a Weyl disk in the matrix Nevanlinna-Pick problem
• V. P. Potapov -- A theorem on the modulus. I: Main concepts. The modulus
• V. P. Potapov -- A theorem on the modulus. II