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The relationship between the soliton dynamics provided by the classical sine-Gordon and massive Thirring models is exhibited. Solitons are characterized as classical relativistic particles through the consideration of their associated canonical realizations of the Poincare group. It is shown that the soliton in the massive Thirring model determines two different kinds of relativistic particles ...

David Andolfatto is a professor of economics at the the University of Waterloo and the University of Western Ontario. Paul Gomme is an economic advisor at the Federal Reserve Bank of Cleveland. Both authors are members of the Centre for Research on Economic Fluctuations and Employment in Montreal, Canada. They thank LutzAlexander Busch, Gordon Myers, and Ed Nosal for helpful comments and critic...

We prove that the short-pulse equation, which is derived from a quasilinear Klein–Gordon equation with formal asymptotic methods, can be rigorously justified. The justification procedure applies to small-norm solutions of the short-pulse equation. Although the small-norm solutions exist for infinite times and include modulated pulses and their elastic interactions, the error bound for arbitrary...

By exploiting estimates on Bloch functions obtained in a previous paper, we prove decay estimates for Klein Gordon equations with a time independent potential periodic in space in 1D and with generic mass. §

Department of Plant Sciences, University of California, Davis, California 95616 (M.M., P.R.O.); Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, Michigan 48824 (L.Z., S.Y.H.); Department of Plant Biology, Michigan State University, East Lansing, Michigan 48824 (L.Z., S.Y.H.); and Plant Resilience Institute, Howard Hughes Medical Institute-Gordon and Betty...

Diane E. Stevens is an Associate Professor in the Department of Physical Education and Kinesiology at Brock University. Gordon A. Bloom is an Assistant Professor in the Department of Kinesiology and Physical Education at McGill University. Correspondence concerning the article should be addressed to Diane E. Stevens, Department of Physical Education and Kinesiology, Brock University, St. Cathar...

People are living in a fast changing world today in both their business and personal lives. With the rate of change in technology continuing at Gordon Moore’s 1965 predictions [1], what competencies are needed to take full advantage of today’s Knowledge Society? The EU has recognised the need for digital literacy and has included this in the definition of eInclusion [2]. This paper defines digi...

The Green function for Klein-Gordon-Dirac equation is obtained. The case with the dominating Klein-Gordon term is considered. There seems to be a formal analogy between our problem and a certain problem for a 4-dimensional particle moving in the external field. The explicit relations between the wave function, Green function and initial conditions are established with the help of the T -exponen...

Gordon and Porter (2009) provide a guide to reading and evaluating the academic accounting literature aimed at Master’s students and “future practitioners.” While the article has value as a guide to the historical publishing norms of a certain type of research, this comment argues that it provides a paradigm-specific view of what constitutes accounting research and an overly stylized view of th...