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The convex-decomposable operator equation and its monotonic inclusive iteration

Gleichungen mit konvex-zerlegbaren Operatoren und ein monoton einschließendes Verfahren

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Abstract

In this paper we discuss a class of nonlinear operators, that we name convex-decomposable operators, which have the nature:Fy−Fx≤(D 1 (x, y)+D 2 (x, y))(y−x) forx≤y, andD 1 andD 2 are isotone and antitone respectively. It is shown that it is a rather large class of operators, containing e.g. the operators whose second derivatives are bounded. For these operators we give a monotonic inclusive iterative algorithm, and show the convergence of this algorithm under some simple conditions.

Zusammenfassung

In der vorliegenden Arbeit wird eine Klasse von nichtlinearen Operatoren, sogenannte konvexzerlegbare Operatoren, untersucht, die die Eigenschaft habenFy−Fx≤(D 1 (x, y)+D 2 (x, y))(y−x) fürx≤y mit isotonemD 1 und antitonemD 2. Wir beweisen, daß sie eine ziemlich große Klasse von Operatoren bilden, z.B. die Operatoren, deren zweite Abteilungen beschränkt sind. Für solche Operatoren geben wir ein monoton einschließendes Verfahren an, und darüberhinaus wird ein Konvergenzsatz bewiesen.

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References

  1. Ling, Y., Xu, Z.: A monotone iteration of Steffensen-type for nonlinear equations (Chinese, English abstract). Xi'an Jiaotong Daxue Xuebao26, 59–68 (1992).

    Google Scholar 

  2. Moré, J. J., Garbow, B. S., Hillstorm, K. E.: Testing unconstrained optimization software, ACM Trans. Math. Software7, 17–41 (1981).

    Google Scholar 

  3. Ortega, J. M., Rheniboldt, W. C.: Iterative solution of nonlinear equations in several variables. New York: Academic Press 1970.

    Google Scholar 

  4. Potra, F. A.: Monotone iterative methods for nonlinear equations. Numer. Funct. Anal. Optim.9, 809–843 (1987).

    Google Scholar 

  5. Riesz, F., Sz-Nagy, B.: Vorlesung über Funktionalanalysis. Frankfurt/M.: Harri Deutsch 1982.

    Google Scholar 

  6. Schmidt, J. W., Schneider, H.: Monoton einschließende Verfahren bei additiv zerlegbaren Gleichungen. Z. angew. Math Mech.63, 3–11 (1983).

    Google Scholar 

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This paper was written while the author was a visiting scholar at the Fachbereich Mathematik of the University of Oldenburg, Germany.

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Ling, Y. The convex-decomposable operator equation and its monotonic inclusive iteration. Computing 57, 345–356 (1996). https://doi.org/10.1007/BF02252253

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  • DOI: https://doi.org/10.1007/BF02252253

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