Norbert Gaffke

According to our database, Norbert Gaffke authored at least 10 papers between 1990 and 2015.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2015

A Log-Det Inequality for Random Matrices.

Meik Dörpinghaus, Norbert Gaffke, Lorens A. Imhof, Rudolf Mathar

SIAM J. Matrix Anal. Appl., 2015

Optimal design for multivariate observations in seemingly unrelated linear models.

Moudar Soumaya, Norbert Gaffke, Rainer Schwabe

J. Multivar. Anal., 2015

2014

Algorithms for approximate linear regression design with application to a first order model with heteroscedasticity.

Norbert Gaffke, Ulrike Graßhoff, Rainer Schwabe

Comput. Stat. Data Anal., 2014

2013

Convergence of the conditional per symbol entropy for stationary Gaussian fading channels for almost all input sequences.

Meik Dorpinghaus, Norbert Gaffke, Lorens A. Imhof, Rudolf Mathar

Proceedings of the 2013 Information Theory and Applications Workshop, 2013

2008

Divisor methods for proportional representation systems: An optimization approach to vector and matrix apportionment problems.

Norbert Gaffke, Friedrich Pukelsheim

Math. Soc. Sci., 2008

Vector and matrix apportionment problems and separable convex integer optimization.

Norbert Gaffke, Friedrich Pukelsheim

Math. Methods Oper. Res., 2008

1999

A class of extremum problems related to agency models with imperfect monitoring.

Jörg Budde, Norbert Gaffke

Math. Methods Oper. Res., 1999

1996

30 Approximate designs for polynomial regression: Invariance, admissibility, and optimality.

Norbert Gaffke, Berthold Heiligers

Proceedings of the Design and analysis of experiments., 1996

1993

Book reviews.

M. Bischoff, Norbert Gaffke, K. Fleischmann, Gerhard Reinelt

ZOR Methods Model. Oper. Res., 1993

1990

Computing the Convex Hull in the Euclidean Plane in Linear Expected Time.

Karl Heinz Borgwardt, Norbert Gaffke, Michael Jünger, Gerhard Reinelt

Proceedings of the Applied Geometry And Discrete Mathematics, 1990