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Integration of unspecified functions and families of iterated integrals

Published: 26 June 2013 Publication History

Abstract

An algorithm for parametric elementary integration over differential fields constructed by a differentially transcendental extension is given. It extends current versions of Risch's algorithm to this setting and is based on some first ideas of Graham H. Campbell transferring his method to more formal grounds and making it parametric, which allows to compute relations among definite integrals. Apart from differentially transcendental functions, such as the gamma function or the zeta function, also unspecified functions and certain families of iterated integrals such as the polylogarithms can be modeled in such differential fields.

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Manuel Bronstein, Symbolic Integration I -- Transcendental Functions, Springer, Heidelberg, 1997.
[3]
Graham H. Campbell, Symbolic integration of expressions involving unspecified functions, ACM SIGSAM Bulletin 22, pp. 25--27, 1988.
[4]
Günter Czichowski, A Note on Gröbner Bases and Integration of Rational Functions, J. Symbolic Computation 20, pp. 163--167, 1995.
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Manuel Kauers, Carsten Schneider, Indefinite summation with unspecified summands, Discrete Math. 306, pp. 2073--2083, 2006.
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Manuel Kauers, Carsten Schneider, Application of Unspecified Sequences in Symbolic Summation, Proceedings of ISSAC'06, pp. 177--183, 2006.
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Daniel Lazard, Renaud Rioboo, Integration of Rational Functions: Rational Computation of the Logarithmic Part, J. Symbolic Computation 9, pp. 113--115, 1990.
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Žarko Mijajlović, Branko Malešević, Differentially transcendental functions, Bull. Belg. Math. Soc. Simon Stevin 15, pp. 193--201, 2008.
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Clemens G. Raab, Definite Integration in Differential Fields, PhD Thesis, JKU Linz, 2012.
[10]
Robert H. Risch, The problem of integration in finite terms, Trans. Amer. Math. Soc. 139, pp. 167--189, 1969.
[11]
Carsten Schneider, Symbolic Summation in Difference Fields, PhD Thesis, JKU Linz, 2001.

Cited By

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  • (2022)Comments on Risch’s On the Integration of Elementary Functions which are Built Up Using Algebraic OperationsIntegration in Finite Terms: Fundamental Sources10.1007/978-3-030-98767-1_6(217-229)Online publication date: 7-Jun-2022
  • (2019)Additive normal forms and integration of differential fractionsJournal of Symbolic Computation10.1016/j.jsc.2016.01.00277:C(16-38)Online publication date: 3-Jan-2019
  • (2015)Symbolic Derivation of Mean-Field PDEs from Lattice-Based ModelsProceedings of the 2015 17th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing (SYNASC)10.1109/SYNASC.2015.14(27-33)Online publication date: 21-Sep-2015

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    cover image ACM Conferences
    ISSAC '13: Proceedings of the 38th International Symposium on Symbolic and Algebraic Computation
    June 2013
    400 pages
    ISBN:9781450320597
    DOI:10.1145/2465506
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Publication History

    Published: 26 June 2013

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    Author Tags

    1. differential fields
    2. differentially transcendental functions
    3. parametric elementary integration
    4. symbolic integration

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    • (2022)Comments on Risch’s On the Integration of Elementary Functions which are Built Up Using Algebraic OperationsIntegration in Finite Terms: Fundamental Sources10.1007/978-3-030-98767-1_6(217-229)Online publication date: 7-Jun-2022
    • (2019)Additive normal forms and integration of differential fractionsJournal of Symbolic Computation10.1016/j.jsc.2016.01.00277:C(16-38)Online publication date: 3-Jan-2019
    • (2015)Symbolic Derivation of Mean-Field PDEs from Lattice-Based ModelsProceedings of the 2015 17th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing (SYNASC)10.1109/SYNASC.2015.14(27-33)Online publication date: 21-Sep-2015

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