Spectral enclosures and complex resonances

The following files constitute a new paper, the first being the main dvi file.

• Spectral enclosures and complex resonances for self-adjoint operators. DVI file
• Diagram 1. Postscript file
• Diagram 2. Postscript file
• Diagram 3. Postscript file
• Diagram 4. Postscript file
• Diagram 5. Postscript file
• Program 1. Maple V.4 file
• Program 2. Maple V.4 file
• Program 3. Maple V.4 file