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  • 1
    Electronic Resource
    Electronic Resource
    On the parameterization of algebraic curves (1992)
    Springer
    Applicable algebra in engineering, communication and computing 3 (1992), S. 27-38 
    Details
    ISSN: 1432-0622
    Keywords: Geometric modeling ; Parameterization ; Algebraic curves ; Resolvents ; Ritt-Wu's decomposition algorithm ; Gröbner bases
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics , Technology
    Notes: Abstract In this paper, by using the concept of resolvents of a prime ideal introduced by Ritt, we give methods for constructing a hypersurface which is birational to a given irreducible variety and birational transformations between the hypersurface and the variety. In the case of algebraic curves, this implies that for an irreducible algebraic curveC, we can construct a plane curve which is birational toC. We also present a method to find rational parametric equations for a plane curve if it exists. Hence we have a complete method of parameterization for rational algebraic curves.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01189021
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Automated reasoning in differential geometry and mechanics using the characteristic set method (1993)
    Springer
    Journal of automated reasoning 10 (1993), S. 161-172 
    Details
    ISSN: 1573-0670
    Keywords: Differential polynomial ; weak ascending chain ; W-perm ; Ritt-Wu's principle ; quasi zero set ; Ritt-Wu's decomposition algorithm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract This is the first paper of a series of three papers under the same title. It presents an improved version of Ritt-Wu's decomposition algorithm which is the basis of our methods of mechanical theorem proving and mechanical formula derivation in differential geometry and elementary mechanics. We improve the original algorithm in two aspects. First, by using the weak ascending chain and W-perm, the sizes of the differential polynomials occurring in the decomposition can be reduced. Second, by using a special reduction procedure, the number of branches in the decomposition can be controlled effectively. The improved version significantly enhances the efficiency of the original algorithm.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00881834
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  • 3
    Electronic Resource
    Electronic Resource
    Automated reasoning in differential geometry and mechanics using the characteristic set method (1993)
    Springer
    Journal of automated reasoning 10 (1993), S. 173-189 
    Details
    ISSN: 1573-0670
    Keywords: Mechanical theorem proving ; Wu's method ; Ritt-Wu's decomposition algorithm ; statement of equation type ; generally true ; universally true ; space curve theory ; elementary mechanics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract We clarify the formulation problem of mechanical theorem proving in differential geometry and mechanics and propose two formulations. We present complete methods of mechanical theorem proving for the two formulations. We also introduce predicates and a language to translate geometry statements into differential polynomial equations. A program based on our methods has proved more than 100 nontrivial theorems in differential geometry and elementary mechanics including various classification theorems for space curves, Bertrand's Theorem, Newton's gravitational laws, etc.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00881835
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