Fundamental matrix 1 Hamburger moment problem 1 Matricial truncated Hamburger moment problem 1 Matricial truncated hamburger moment problem 1 Matrix algebra 1 Matrix inequality 1 Method of moments 1 Orthogonal matrix polynomials Parametrization of the solution set via Stieltjes transform 1 Parametrization of the solution set via stieltjes transform 1 Parametrizations 1 Polynomials 1 Solutions sets 1 Stieltjes transform 1 Weyl matrix balls 1