 Introduction to Spectral Theory in Hilbert Space
by Gilbert Helmberg
This introduction to Hilbert space, bounded self-adjoint operators, the spectrum of an operator, and operators' spectral decomposition is accessible to readers familiar with analysis and analytic geometry. 1969 edition.
all books in Reference
|  |
| |  An Introduction to the Calculus of Variations
by L.A. Pars
Clear, rigorous introductory treatment covers applications to geometry, dynamics, and physics. It focuses upon problems with one independent variable, connecting abstract theory with its use in concrete problems. 1962 edition.
all books in Calculus
| |
|
| |  Elements of Pure and Applied Mathematics
by Harry Lass
This completely self-contained survey explores important topics in pure and applied mathematics. Each chapter can be read independently, and all are unified by cross-references to the complete work. 1957 edition.
all books in Mathematics
| |
|
 Theory of Linear Operations
by Stefan Banach, F. Jellett
Written by the founder of functional analysis, this is the first text on linear operator theory. Additional topics include the calculus of variations and theory of integral equations. 1987 edition.
all books in Reference
| |
| | |
 Banach Spaces of Analytic Functions
by Kenneth Hoffman
This rigorous investigation of Hardy spaces and the invariant subspace problem is suitable for advanced undergraduates and graduates, covering complex functions, harmonic analysis, and functional analysis. 1962 edition.
all books in Mathematics
| |
| |  Approximation of Elliptic Boundary-Value Problems
by Jean-Pierre Aubin
A marriage of the finite-differences method with variational methods for solving boundary-value problems, this self-contained text for advanced undergraduates and graduate students is intended to imbed this combination of methods into the framework of functional analysis.
all books in Mathematics
| |
|
|
