This book deals with problems of approximation of continuous or bounded functions of several variables by linear superposition of functions that are from the sa

This book deals with problems of approximation of continuous or bounded functions of several variables by linear superposition of functions that are from the sa

This book offers a modern exposition of the arithmetical properties of local fields using explicit and constructive tools and methods. It has been ten years sin

Since the late 1960s, methods of birational geometry have been used successfully in the theory of linear algebraic groups, especially in arithmetic problems. Th

This is the first introductory book on the theory of prehomogeneous vector spaces, introduced in the 1970s by Mikio Sato. The author was an early and important