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Torsten Linß [1] Torsten Olaf Linß, (Torsten Olaf Linss)

a German composer, and FIDE International Master for chess composition, mathematician, professor for numerical analysis at FernUniversität Hagen, and before, until 2012 at TU Dresden. He holds a Ph.D. in 1998 from University College Cork under Martin Stynes. His research interests include parallel numerical algorithms for solving partial differential equations and finite element methods, in particular numerical solutions of convection–diffusion and singular perturbation equations. As a chess composer, he founded the German Chess problem magazine Harmonie in 1987 and is again its publisher since 2013 [2]. As avocational software developer and programmer, Torsten Linß is involved in developing chess problem related software, such as databases for chess problems, and.has further contributed to Popeye, the open source program for solving orthodox and heterodox chess problems [3] [4].

Mathematics#

[5]

• Torsten Linß (1998). Shishkin Meshes and Decompositions for Singularly Perturbed Convection-Diffusion Problems. Ph.D. thesis, University College Cork [6]
• Torsten Linß, Martin Stynes (2001). Numerical methods on Shishkin meshes for linear convection–diffusion problems. Computer Methods in Applied Mechanics and Engineering, Vol. 190, No. 28
• Hans-Görg Roos, Torsten Linß (2001). Gradient Recovery for Singularly Perturbed Boundary Value Problems I: One-Dimensional Convection-Diffusion. Computing, Vol. 66, No. 2
• Torsten Linß (2009). Numerical methods for singularly perturbed differential equations. Current Problems in Numerical Analysis
• Torsten Linß (2009). Analysis of a FEM for a coupled system of singularly perturbed reaction-diffusion equations. Numerical Algorithms, Vol. 50, No. 3
• Torsten Linß, Hans-Görg Roos, Martin Schopf (2012). Nitsche-mortaring for singularly perturbed convection-diffusion problems. Advances in Computational Mathematics, Vol. 36, No. 4

Chess#

• Torsten Linß (2008). Databases for Chess Problems. Workshop Chess and Mathematics
• Eckart Kummer (2017). Torsten Linß 50 & opt int 20. Die Schwalbe, Heft 286 (German)

External Links#

• Torsten Linß, FernUniversität Hagen
• The Mathematics Genealogy Project - Torsten Linss
• Chess Composers - Torsten Linß
• Torsten Linss in Prague by Václav Kotěšovec, May 24, 2007
• WCCI 2010-2012 Selfmates - WFCC
• Harmonie Homepage

References#

1. ↑ Torsten Linß, FernUniversität Hagen, Photo by Hardy Welsch
2. ↑ harmonie Homepage
3. ↑ Popeye - from Software for handling chess problems, Wikipedia
4. ↑ History of Popeye by Thomas Brand, hosted by Julia Vysotska
5. ↑ dblp: Torsten Linß
6. ↑ Grigorii I. Shishkin (1992). Grid Approximations of Singularly Perturbed Elliptic and Parabolic Equations. Russian Academy of Sciences, Ural Branch, Yekaterinburg (Russian)

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