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3 results

  • 1 - Classical Relativistic Point Particles

  • from Part I - From Particles to Strings
  • Thomas Mohaupt, University of Liverpool
  • Book:
    A Short Introduction to String Theory
    Published online:
    31 March 2022
    Print publication:
    07 April 2022, pp 3-17
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  • Summary

    We review classical relativistic particles, and discuss how to formulate an action principle which is invariant under world-line reparametrizations and space-time Poincaré transformations. The role of constraints is analysed.

  • Feature modeling based on design catalogues for principle conceptual design

  • Feng Peien, Xu Guorong, Zhang Mingjun
  • Journal:
    AI EDAM / Volume 10 / Issue 4 / September 1996
    Published online by Cambridge University Press:
    27 February 2009, pp. 347-354

  • The research on new types of design knowledge bases and conceptual solution catalogues is an advanced subject of design methodology. Using the separate function as an example, this paper establishes design catalogues for principle conceptual design to realize the function, and proposes a general computer-oriented action principle design process. Upon studying the relationship of knowledge in the process, this paper represents functions of action principles in function feature models and provides computer-oriented feature models for action principle design.