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Quantization Of Spin Direction For Solitary Waves in a Uniform Magnetic Field

Description: It is known that there are nonlinear wave equations with localized solitary wave solutions. Some of these solitary waves are stable (with respect to a small perturbation of initial data)and have nonzero spin (nonzero intrinsic angular momentum in the centre of momentum frame). In this paper we consider vector-valued solitary wave solutions to a nonlinear Klein-Gordon equation and investigate the behavior of these spinning solitary waves under the influence of an externally imposed uniform… more
Date: May 2003
Creator: Hoq, Qazi Enamul
Item Type: Refine your search to only Thesis or Dissertation
open access

Complemented Subspaces of Bounded Linear Operators

Description: For many years mathematicians have been interested in the problem of whether an operator ideal is complemented in the space of all bounded linear operators. In this dissertation the complementation of various classes of operators in the space of all bounded linear operators is considered. This paper begins with a preliminary discussion of linear bounded operators as well as operator ideals. Let L(X, Y ) be a Banach space of all bounded linear operator between Banach spaces X and Y , K(X, Y ) b… more
Date: August 2003
Creator: Bahreini Esfahani, Manijeh
Item Type: Refine your search to only Thesis or Dissertation
open access

The Study of Translation Equivalence on Integer Lattices

Description: This paper is a contribution to the study of countable Borel equivalence relations on standard Borel spaces. We concentrate here on the study of the nature of translation equivalence. We study these known hyperfinite spaces in order to gain insight into the approach necessary to classify certain variables as either being hyperfinite or not. In Chapter 1, we will give the basic definitions and examples of spaces used in this work. The general construction of marker sets is developed in this wor… more
Date: August 2003
Creator: Boykin, Charles Martin
Item Type: Refine your search to only Thesis or Dissertation
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