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Arbeitsgruppe Algorithmische Algebra und Diskrete Mathematik

University of Kassel » Fachbereiche » Faculty of Mathematics and Natural Sciences » Institut für Mathematik

Phone:

+49 (0)561 804-4692

Fax:	+49 (0)561 804-4646

URL:	http://www.mathematik.uni-kassel.de/compmath/

Address:

Heinrich Plett Str. 40
34132 Kassel

Projects

10/2010 - 10/2013	Bifurcations and Singularities of Algebraic Differential Equations
2010 - 2012	Förd.ausländ.Gastdozenten
06/2004 - 12/2009	Spezielle Funktionen als Lösungen gewöhnlicher Differentialgleichungen
12/1999	Darstellungstheorie von Schuralgebren
01/1999 - 01/2002	Algorithmen in polyzyklischen Gruppen
01/1999	Galoisgruppen kleinen Grades
01/1999 - 01/2002	Konstruktion von Gruppen mit gegebener Ordnung
01/1999	Niedrigdimensionale Darstellungen
01/1999	Spetses

Publications

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2008	Debeerst, R., Koepf, W., van Hoeij, M., 2008. Solving differential equations in terms of Bessel functions, in: Sendra, J.R., Gonzalez-Vega, L. (Hrsg.), Proceedings of ISSAC’08. ACM, New York, S. 39–46.
2008	Freundt, S., Horn, P., Konovalov, A., Linton, S., Roozemond, D., 2008. Symbolic Computation Software Composability, in: S. Autexier, J.C. (Hrsg.), Intelligent Computer Mathematics. Springer, Berlin, S. 285–295.
2007	Chaggara, H., Koepf, W., 2007. Duplication coefficients via generating functions. Complex Variables and Elliptic Equations 52, 537–549.
2005	Koepf, W., Schmersau, D., 2005. Positivity and monotony properties of the de Branges functions. Journal of Computational and Applied Mathematics 173, 279–294. https://doi.org/10.1016/j.cam.2004.03.021
2005	Koepf, W., Schmersau, D., 2005. Solution properties of the de Branges differential recurrence equation. Complex Variables 50, 585–595.
2004	Gil, A., Koepf, W., Segura, J., 2004. Computing the real zeros of hypergeometric functions. Numerical Algorithms 36, 113–134. https://doi.org/10.1023/B:NUMA.0000033128.64649.7a
2004	Foupouagnigni, M., Koepf, W., Ronveaux, A., 2004. Factorization of fourth-order differential equations for perturbed classical orthogonal polynomials. Journal of Computational and Applied Mathematics 162, 299–326. https://doi.org/10.1016/j.cam.2003.04.005
2004	Foupouagnigni, M., Koepf, W., Ronveaux, A., 2004. On factorization and solutions of q-difference equations satisfied by some classes of orthogonal polynomials. Journal of Difference Equations and Applications 10, 729–747. https://doi.org/10.1080/10236190310001641218
2003	Gil, A., Segura, J., 2003. A combined symbolic and numerical algorithm for the computation for the computation of zeros of special functions and orthogonal polynomials. Journal of Symbolic Computation 35, 465–485.
2003	Foupouagnigni, M., Koepf, W., Ronveaux, A., 2003. On fourth-order difference equations for orthogonal polynomials of a discrete variable: Derivation, factorization and solutions. Journal of Difference Equations and Applications 9, 777–804. https://doi.org/10.1080/1023619031000097035

Subordinate Organisational Units

Computational Mathematics