Presenting a comprehensive theory of orthogonal polynomials in two real variables and properties of Fourier series in these polynomials, this volume also gives

Serving both as an introduction to the subject and as a reference, this book presents the theory in elegant form and with modern concepts and notation. It cover

Updated throughout, this revised edition contains 25% new material covering progress made in the field over the past decade.

Presenting a comprehensive theory of orthogonal polynomials in two real variables and properties of Fourier series in these polynomials, this volume also gives

Orthogonal polynomials of several variables, approximation theory, symmetry-group methods.