Bøger udgivet af Springer Science+Business Media

In the l~nited States and in Europe~ there has been an increasing interest in the relationship between individual behavior and disease. Much of the variance in individual health behavior occurs across countries rather than within countries.

In this fully-illustrated textbook, the author examines the spectral theory of self-adjoint elliptic operators. The author's work offers a novel method for estimation of the remainder term of a spectral function and its Riesz means without recourse to the traditional Carleman technique and Tauberian theorem apparatus.