Skip to main content
Erschienen in:
Buchtitelbild

2014 | OriginalPaper | Buchkapitel

Solving via Modular Methods

verfasst von : Deeba Afzal, Faira Kanwal Janjua, Gerhard Pfister, Stefan Steidel

Erschienen in: Bridging Algebra, Geometry, and Topology

Verlag: Springer International Publishing

Aktivieren Sie unsere intelligente Suche, um passende Fachinhalte oder Patente zu finden.

search-config
loading …

Abstract

In this chapter we present a parallel modular algorithm to compute all solutions with multiplicities of a given zero-dimensional polynomial system of equations over the rationals. In fact, we compute a triangular decomposition using Möller’s algorithm (Möller, Appl. Algebra Eng. Commun. Comput. 4:217–230, 1993) of the corresponding ideal in the polynomial ring over the rationals using modular methods, and then apply a solver for univariate polynomials.

Sie haben noch keine Lizenz? Dann Informieren Sie sich jetzt über unsere Produkte:

Springer Professional "Wirtschaft+Technik"

Online-Abonnement

Mit Springer Professional "Wirtschaft+Technik" erhalten Sie Zugriff auf:

  • über 102.000 Bücher
  • über 537 Zeitschriften

aus folgenden Fachgebieten:

  • Automobil + Motoren
  • Bauwesen + Immobilien
  • Business IT + Informatik
  • Elektrotechnik + Elektronik
  • Energie + Nachhaltigkeit
  • Finance + Banking
  • Management + Führung
  • Marketing + Vertrieb
  • Maschinenbau + Werkstoffe
  • Versicherung + Risiko

Jetzt Wissensvorsprung sichern!

Springer Professional "Technik"

Online-Abonnement

Mit Springer Professional "Technik" erhalten Sie Zugriff auf:

  • über 67.000 Bücher
  • über 390 Zeitschriften

aus folgenden Fachgebieten:

  • Automobil + Motoren
  • Bauwesen + Immobilien
  • Business IT + Informatik
  • Elektrotechnik + Elektronik
  • Energie + Nachhaltigkeit
  • Maschinenbau + Werkstoffe




 

Jetzt Wissensvorsprung sichern!

Springer Professional "Wirtschaft"

Online-Abonnement

Mit Springer Professional "Wirtschaft" erhalten Sie Zugriff auf:

  • über 67.000 Bücher
  • über 340 Zeitschriften

aus folgenden Fachgebieten:

  • Bauwesen + Immobilien
  • Business IT + Informatik
  • Finance + Banking
  • Management + Führung
  • Marketing + Vertrieb
  • Versicherung + Risiko




Jetzt Wissensvorsprung sichern!

Fußnoten
1
In Singular [4] this approach is implemented in the library solve.lib on the basis of an univariate Laguerre solver [16, Sect. 8.9–8.13].
 
2
The corresponding procedure is implemented in Singular in the library triang.lib.
 
3
Farey fractions refer to rational reconstruction. A definition of Farey fractions, the Farey rational map, and remarks on the required bound on the coefficients can be found in [8].
 
4
The corresponding procedures are implemented in Singular in the library modsolve.lib.
 
Literatur
1.
Zurück zum Zitat Aubry, P., Moreno Maza, M.: Triangular sets for solving polynomial systems: a comparative implementation of four methods. J. Symb. Comput. 28, 125–154 (1999)MathSciNetCrossRefMATH Aubry, P., Moreno Maza, M.: Triangular sets for solving polynomial systems: a comparative implementation of four methods. J. Symb. Comput. 28, 125–154 (1999)MathSciNetCrossRefMATH
2.
Zurück zum Zitat Chen, C., Lemaire, F., Moreno Maza, M., Pan, W., Xie, Y.: Efficient computations of irredundant triangular decompositions with the regular chains library. In: Shi, Y., et al. (eds.) Proceedings of Computer Algebra Systems and Their Applications ’07: ICCS 2007, Part II, Lecture Notes in Computer Science, vol. 4488, pp. 268–271 (2007)CrossRef Chen, C., Lemaire, F., Moreno Maza, M., Pan, W., Xie, Y.: Efficient computations of irredundant triangular decompositions with the regular chains library. In: Shi, Y., et al. (eds.) Proceedings of Computer Algebra Systems and Their Applications ’07: ICCS 2007, Part II, Lecture Notes in Computer Science, vol. 4488, pp. 268–271 (2007)CrossRef
3.
Zurück zum Zitat Dahan, X., Moreno Maza, M., Schost, É., Wu, W., Xie, Y.: Lifting techniques for triangular decompositions. Proceedings of ISSAC ’05, Beijing, China, pp. 108–115. ACM Press, New York (2005) Dahan, X., Moreno Maza, M., Schost, É., Wu, W., Xie, Y.: Lifting techniques for triangular decompositions. Proceedings of ISSAC ’05, Beijing, China, pp. 108–115. ACM Press, New York (2005)
6.
Zurück zum Zitat Greuel, G.-M., Pfister, G.: A Singular Introduction to Commutative Algebra, 2nd edn. Springer, London (2007)MATH Greuel, G.-M., Pfister, G.: A Singular Introduction to Commutative Algebra, 2nd edn. Springer, London (2007)MATH
8.
9.
Zurück zum Zitat Lemaire, F., Moreno Maza, M., Xie, Y.: The RegularChains library in Maple 10. Maplesoft, Canada (2005) Lemaire, F., Moreno Maza, M., Xie, Y.: The RegularChains library in Maple 10. Maplesoft, Canada (2005)
10.
Zurück zum Zitat Lemaire, F., Moreno Maza, M., Xie, Y.: Making a sophisticated symbolic solver available to different communities of users. Proceedings of Asian Technology Conference in Mathematics ’06, Polytechnic University of Hong Kong (2006) Lemaire, F., Moreno Maza, M., Xie, Y.: Making a sophisticated symbolic solver available to different communities of users. Proceedings of Asian Technology Conference in Mathematics ’06, Polytechnic University of Hong Kong (2006)
11.
Zurück zum Zitat Li, X., Moreno Maza, M.: Multithreaded parallel implementation of arithmetic operations modulo a triangular set. Proceedings of Parallel Symbolic Computation ’07, London, Canada, pp. 53–59. ACM Press, New York (2007) Li, X., Moreno Maza, M.: Multithreaded parallel implementation of arithmetic operations modulo a triangular set. Proceedings of Parallel Symbolic Computation ’07, London, Canada, pp. 53–59. ACM Press, New York (2007)
12.
Zurück zum Zitat Möller, H.M.: On decomposing systems of polynomial equations with finitely many solutions. Appl. Algebra Eng. Commun. Comput. 4, 217–230 (1993)CrossRefMATH Möller, H.M.: On decomposing systems of polynomial equations with finitely many solutions. Appl. Algebra Eng. Commun. Comput. 4, 217–230 (1993)CrossRefMATH
13.
Zurück zum Zitat Möller, H.M.: Solving of algebraic equations – an interplay of symbolical and numerical methods. In: Haußmann, W., Jetter, K., Reimer, M. (eds.) Multivariate Approximation, Recent Trends and Results. Mathematical Research, vol. 101, pp. 161–176. Akademie Verlag, Berlin (1997) Möller, H.M.: Solving of algebraic equations – an interplay of symbolical and numerical methods. In: Haußmann, W., Jetter, K., Reimer, M. (eds.) Multivariate Approximation, Recent Trends and Results. Mathematical Research, vol. 101, pp. 161–176. Akademie Verlag, Berlin (1997)
14.
Zurück zum Zitat Moreno Maza, M.: On triangular decompositions of algebraic varieties. Presented at the MEGA 2000 Conference, Bath, UK (2000) Moreno Maza, M.: On triangular decompositions of algebraic varieties. Presented at the MEGA 2000 Conference, Bath, UK (2000)
15.
Zurück zum Zitat Moreno Maza, M., Xie, Y.: Component-level parallelization of triangular decompositions. Proceedings of Parallel Symbolic Computation ’07, London, Canada, pp. 69–77. ACM Press, New York (2007) Moreno Maza, M., Xie, Y.: Component-level parallelization of triangular decompositions. Proceedings of Parallel Symbolic Computation ’07, London, Canada, pp. 69–77. ACM Press, New York (2007)
16.
Zurück zum Zitat Ralston, A., Rabinowitz, P.: A First Course in Numerical Analysis, 2nd edn. McGraw-Hill, New York (1978)MATH Ralston, A., Rabinowitz, P.: A First Course in Numerical Analysis, 2nd edn. McGraw-Hill, New York (1978)MATH
Metadaten
Titel
Solving via Modular Methods
verfasst von
Deeba Afzal
Faira Kanwal Janjua
Gerhard Pfister
Stefan Steidel
Copyright-Jahr
2014
DOI
https://doi.org/10.1007/978-3-319-09186-0_1