Publikationen
- 1991
- M. Heilmann and M. Müller, Equivalence of a weighted modulus of smoothness and a modified weighted K-functional. .... Academic Press, 1991.
- 1990
- M. Heilmann and M. Müller, "Direct and converse results on simultaneous approximation by the method of Bernstein-Durrmeyer operators" in Algorithms for approximation II, Proc. 2nd Int. Conf., Shrivenham/UK 1988, 1990, pp. 107-116.
- 1989
- M. Heilmann, "Direct and converse results for operators of Baskakov-Durrmeyer type", Approximation Theory Appl., vol. 5, no. 1, pp. 105-127, 1989.
- M. Heilmann and M. Müller, "Direct and converse results on weighted simultaneous approximation by the method of operators of Baskakov-Durrmeyer type", Results in Mathematics, vol. 16, no. 3-4, pp. 228-242, 1989.
- M. Heilmann, "On simultaneous approximation by optimal algebraic polynomials", Results in Mathematics, vol. 16, no. 1-2, pp. 77-81, 1989.
- M. Heilmann and M. Müller, "On simultaneous approximation by the method of Baskakov-Durrmeyer operators", Numerical Functional Analysis and Optimization, vol. 10, no. 1-2, pp. 127-138, 1989.
- M. Heilmann and M. Müller, "Weighted simultaneous L_p-approximation by the method of Baskakov-Durrmeyer operators" in Approximation Theory VI, Proc. 6th Int. Symp., College Station/TX USA1989, 1989, pp. 331-332.
- 1988
- M. Heilmann, "Commutativity of operators from Baskakov-Durrmeyer type" in Constructive Theory of Functions - Proceedings of the International Conference, Varna, Bulgaria, 1987, 1988, pp. 197-206.
- 1987
- M. Heilmann, "Approximation auf [0, ∞) durch das Verfahren der Operatoren vom Baskakov-Durrmeyer Typ", Universität Dortmund, 1987.
zuletzt bearbeitet am: 23.06.2022
