Johnson, Gerald W. <br/><br/>
Generalized Dyson Series, Generalized Feynman Diagrams, the Feynman Integral and Feynman's Operational Calculus. 

 - 1st ed. 
 - 1 online resource (88 pages) 
 - Memoirs of the American Mathematical Society ;  v.62 .
 - Memoirs of the American Mathematical Society .
<br/><br/>Intro -- Contents -- 0. Introduction and Preliminaries -- 0.1. Introduction -- 0.2. Notation and Preliminaries -- 1. A Simple Generalized Dyson Series (η = μ + ω&amp -- #948[sub(τ)]) -- 2. The Generalized Dyson Series -- 3. Examples of Perturbation Expansions -- 3.1. A Single Measure and Potential -- 3.2. Several Measures and Potentials -- 4. Stability Results -- 4.1. Stability in the Potentials -- 4.2. Stability in the Measures -- 5. Generalized Feynman Diagrams -- 6. The Banach Algebra of Functionals. Connections with Feynman's Operational Calculus -- Acknowledgments -- References. 
<br/><br/><label>ISBN: </label>9781470407674 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Perturbation (Quantum dynamics).<br/>Integrals, Generalized.<br/>Feynman diagrams.<br/>Operator theory.<br/>Commutative algebra.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QC174.12 -- .J646 1986eb 
<br/><br/><label>Dewey Class. No.: </label>530.1/2