HEINZ NIXDORF
INSTITUT
University of Paderborn
Theoretical Computer Science
AG Meyer auf der Heide
Martin Ziegler (PD Dr. habil.)
Member of the research group Theoretical
Computer Science: Algorithms, Complexity Theory, Parallel Computing
(Meyer auf der Heide)
Member of the research group Algebraic Complexity and Algorithmic Algebra
(Bürgisser)
2003-2004: Post-doc in DFG Graduiertenkolleg 693 "PaSCo"
2005: Guest lecturer (SNF project 21-04-0303) at the
University of Southern Denmark
2006: von Humboldt fellow (JSPS scholarship) at the
Japan Advanced Institute of Science and Technology
July 2007: visiting scholar at the
Korea Institute
for Advanced Study
Sept 2008: Visiting Associate at the Korea Advanced Institute of Science and Technology (KAIST)
since March 2009:
DFG
Heisenberg-Scholar
at the Technical University of Vienna,
Department of Theoretical Physics,
host Prof. Karl Svozil
Research Areas:
-
Computability and Complexity,
Real Number Computation,
Foundations of Computational Physics,
Nonstandard Models
-
Teaching
-
Tutorial Computeralgebra in der Physik (german)
-
Tutor for Lectures
-
Organizer and Student Advisor at Seminar
"Perlen der Theoretischen Informatik"
(2000,
2001,
2002,
2003,
2004)
- in WS2003/2004: Lecturer for
"Advanced Computability Theory", held
in English
- in WS2004/2005: Lecturer for
"Hypercomputation"
- in WS2007/2008: Supply lecturer for
EBKFS,
sessions
#06,
#11,
#21, and
tutorial
#04.
- in SS2008: Complexity Theory
- in WS2008/2009: EBKFS
- Advisor for
- the Diploma-Thesis of Valentina Damerow "Time-Space Trade-Offs for Deciding Line-Arrangements",
- the Teachers' Thesis (Staatsexamensarbeit) of
Tomas Brajkovic "Polynomarithmetik über reellen Divisionsalgebren",
- the Bachelor's Thesis of Oliver Sudmann "Algorithmen
zur Visualisierung der Relativitätstheorie",
- the Bachelor's Thesis of Matthias Hilbig
"Perspektivische Suche in geometrischen Szenen",
- the Bachelor's Thesis of Sven Köhler
"Zur Approximierbarkeit des Halteproblems
in einer praktischen Gödelisierung",
- the Master's Thesis of Paul Kaufmann
"Computer-Methoden zur Lösung konkreter Instanzen
einiger kombinatorischer Probleme",
- the Master's Thesis of Oliver Sudmann
"Interaktive Visualisierung der Speziellen Relativitätstheorie auf programmierbarer Grafikhardware",
- the Bachelor's Thesis of Jochen Darley "Zeitkritisches Rendering mittels perspektivischer Suche",
- the Diploma Thesis of Sven Köhler "Zur Praktikabilität schneller Polynomarithmetik",
- the Diploma Thesis of Nermin Junuzovic "Praktische Berechnung des geometrischen Verdeckungsgrads virtueller Szenen",
- the Diploma Thesis of Matthias Hilbig "Parametrisierte Generierung und automatische Bewertung virtueller Szenen",
- the Bachelor's Thesis of Alexander Spot "RAM-Modell und 64Bit Prozessoren",
- the Bachelor's Thesis of Sven Kurras "Die Grafikkarte als Parallelcomputer",
- the PhD Thesis of Katharina Lürwer-Brüggemeier "Berechenbarkeit und Komplexität von Berechnungen mit der ganzzahligen Division,
- the Bachelor's Thesis of Florentin Neumann "Der
Hofstadter-Turing-Test als anwendungsorientiertes philosophisches Problem
am Beispiel von Second Life",
- and the Bachelor's Thesis of Max Drees "Combinatorial Aspects
of Quantum Logic.
-
Awards:
Address:
Fax: +49-5251-60 6482
EMail: ziegler@uni-paderborn.de
Hohmpeitsch: http://www.upb.de/cs/ziegler.html
Attitude concerning the purpose of mathematics: positive!
I recommend also reading 10 locations for mathematics
and this suggested
reform of the peer-review system.
Publications:
- M. Ziegler:
"Scientific Software in Physics Research"
pp.718-719 in: Physikalische Blätter Vol.53 (1997)
No.7/8
- M. Fischer, T. Lukovszki, M. Ziegler:
"Geometric Searching in Walkthrough Animations with
Weak Spanners in Real Time"
pp.163-174 in:
Proceedings of the 6th Annual European Symposium on Algorithms
(ESA'98),
Springer LNCS Vol.1461.
- M. Fischer, T. Lukovszki, M. Ziegler:
A Network Based Approach for Realtime Walkthrough of Massive Models
pp.133-142 in: Proceedings of the 2nd Workshop on Algorithms
Engineering (WAE'98).
- M. Fischer, T. Lukovszki, M. Ziegler:
Partitioned Neighborhood Spanners of Minimal Outdegree
pp.47-50 in: Proceedings of the 11th Canadian Conference on
Computational Geometry
(CCCG'99)
- A. Czumaj,
C. Sohler, M. Ziegler:
"Property Testing in Computational Geometry"
pp.155-166 in:
Proceedings of the 8th Annual European Symposium on Algorithms
(ESA'00),
Springer LNCS Vol.1879.
- C. Sohler, M. Ziegler:
"Computing
Cut Numbers"
pp.73-79 in
Proceedings of the 12th Canadian Conference on Computational Geometry
(CCCG'00).
- V. Brattka, M. Ziegler:
"Computing the Dimension of Linear Subspaces"
pp.450-458 in:
Proceedings of the 27th Annual Conference on
Current Trends in Theory and Practice of Informatics
(SOFSEM'2000),
Springer LNCS Vol.1963.
- V. Brattka, M. Ziegler:
"A Computable Spectral Theorem"
pp. 378-388 in:
Proceedings of the 4th
Computability and Complexity in Analysis (CCA'2000),
Springer LNCS Vol.2064.
- M. Reza Emamy-K., M. Ziegler:
"New Bounds for Hypercube Slicing Numbers"
pp.155-164 in Proceedings of the First International Conference on
Discrete Models - Combinatorics, Computation and Geometry
(DM-CCG, Paris),
DMTCS vol.AA (2001).
- V. Brattka, M. Ziegler:
"Turing
Computability of (Non-)Linear Optimization"
pp.181-184 in Proceedings of the 13th Canadian Conference on
Computational Geometry
(CCCG'01).
- M. Ziegler:
"Computability on Regular Subsets of Euclidean Space"
pp.157-181 in
Mathematical
Logic Quarterly (MLQ),
Vol.48 S1 (2002).
Abstract and PDF (© VCH-Wiley).
- V. Damerow,
L. Finschi,
M. Ziegler:
"Point
Location Algorithms of Minimum Size"
pp.5-9 in Proceedings of the 14th Canadian Conference on
Computational Geometry
(CCCG'02).
-
M. Ziegler:
"Zur
Berechenbarkeit reeller geometrischer Probleme",
Dissertation, HNI
Verlagsschriftenreihe Vol.115 (2002), ISBN 3-935433-24-7.
- M. Ziegler:
"Fast Relative Approximation of Potential Fields",
(© Springer-Verlag)
pp.140-149
in Proc. 8th Workshop on Algorithms and Data Structures
(WADS'03),
Springer LNCS 2748.
- M.Ziegler:
"Quasi-Optimal Arithmetic for Quaternion
Polynomials",
(© Springer-Verlag)
pp.705-715 in Proc. 14th Annual International Symposium on
Algorithms and Computation (ISAAC'03),
Springer LNCS 2906.
- M.Ziegler:
"Computable operators on regular sets"
pp.392-404 in
Mathematical
Logic Quarterly (MLQ),
Vol.50 (2004) (© VCH-Wiley).
- M.Nüsken, M.Ziegler:
"Fast
Multipoint Evaluation of Bivariate Polynomials",
(© Springer-Verlag)
pp.544-555 in Proc. 12th Annual European Symposium on Algorithms
(ESA'04),
Springer LNCS 3221.
- M.Ziegler, V.Brattka:
"Computability in linear algebra",
pp.187-211 in
Theoretical Computer Science vol.326 (© Elsevier);
- C.Schindelhauer, K.Volbert, M.Ziegler:
"Spanners, Weak Spanners, and Power Spanners for Wireless Networks",
(© Springer-Verlag)
pp.805-821 in Proc. 15th Annual International Symposium on
Algorithms and Computation
(ISAAC'04),
Springer LNCS vol.3341.
- M.Ziegler:
"Computability and Continuity on the Real Arithmetic Hierarchy
and the Power of Type-2 Nondeterminism",
(© Springer-Verlag)
pp.562-571 in Proc. CiE 2005: New Computational Paradigms, Springer LNCS vol.3526.
- S.Köhler, C.Schindelhauer, M.Ziegler:
"On Approximating Real-Word Halting Problems",
(© Springer-Verlag)
pp.454-466 in
Proc. 15th International Symposium on Fundamentals of Computation Theory
(FCT'05),
Springer LNCS vol.3623.
The very last claim of Lemma 21 (io-approximation),
and thus the proof of Theorem 7b, seems to be flawed. We're working on it!
- K.Meer, M.Ziegler:
"An Explicit Solution to Post's Problem over the Reals",
(© Springer-Verlag)
pp.467-478 in
Proc. 15th International Symposium on Fundamentals of Computation Theory
(FCT'05),
Springer LNCS vol.3623.
- B.Fuchssteiner, M.Ziegler:
"Nonlinear Reformulation of Heisenberg's Dynamics"
(© Springer-Verlag),
pp.693-717 in International Journal of Theoretical Physics vol.44:7 (2005).
- M.Ziegler:
"Computational Power of Infinite Quantum Parallelism"
(© Springer-Verlag),
pp.2059-2071 in International Journal of Theoretical Physics vol.44:11 (2005).
- M.Ziegler:
"Stability versus Speed in a Computable Algebraic Model",
pp.14-26 in
Theoretical Computer Science vol.351 (© Elsevier 2006).
- K.Meer, M.Ziegler:
"Uncomputability Below the Real Halting Problem"
(© Springer-Verlag),
pp.368-377 in 2nd Conference on Computability in Europe (CiE'06), Springer LNCS vol.3988.
- M.Ziegler:
"Effectively Open Real Functions"
(© Elsevier),
pp.827-849 in Journal of Complexity vol.22 (2006).
- M.Ziegler:
"Real Hypercomputation and Continuity"
(© Springer),
pp.177-206 in Theory
of Computing Systems vol.41 (2007).
- M.Ziegler:
Revising
Type-2 Computation and Degrees of Discontinuity (© Elsevier),
pp.255-274 in Proc. 3rd International Conference on Computability and Complexity in Analysis (CCA'06), Electronic Notes in Theoretical Computer Science
vol.167 (Jan.2007)
- K.Meer, M.Ziegler:
"Real Computational Universality:
The Word Problem for a Class of Groups
with Infinite Presentation (Extended Abstract)"
(© Springer-Verlag),
pp.726-737 in Proc. 32nd International Symposium on Mathematical Foundations of Computer Science (MFCS 2007), Springer LNCS vol.4708.
- M.Ziegler:
"(Short) Survey of Real Hypercomputation"
(© Springer-Verlag),
pp.809-824 in Proc. 3rd Conference on Computability in Europe
(CiE'07),
Springer LNCS vol.4497.
- M.Ziegler:
"Real Computability and Hypercomputation",
Proc Zero 2007, KIAS Preprint
C-07013.
- K.Meer, M.Ziegler:
"An explicit solution to Post's Problem over the reals"
(© Elsevier),
pp.3-15 in Journal of Complexity vol.24:1 (2008).
- M.Ziegler:
"A Meta-Theory of Physics and Computation",
Verhandlungen der Deutschen Physikalischen Gesellschaft,
Feb.2008 p.145.
- S.Le Roux, M.Ziegler:
"Singular Coverings and Non-Uniform Notions of Closed Set Computability",
pp.545-560 in Mathematical Logic Quarterly vol.54 (2008).
- S.Köhler, M.Ziegler:
"On the Stability of Fast Polynomial Arithmetic",
pp.147-156 in Proc.
8th Conference on Real Numbers and Computers
(J.D.Bruguera, M.Daumas Edts.), July 2008, Santiago de Compostela.
- K.Lürwer-Brüggemeier, M.Ziegler:
"On Faster Integer Calculations
Using Non-arithmetic Primitives",
pp.111-128 in Proc. 7th International Conference
on Unconventional Computation
(UC'08),
Springer LNCS 5204.
- M.R.Emamy-K., M.Ziegler:
"On the coverings of the d-cube for d≤6",
pp.3156-3165 in
Discrete Applied Mathematics vol.156:17 (2008).
- M.Ziegler, W.Koolen:
"Kolmogorov Complexity Theory over the Reals",
pp.153-169 in Proc. 5th Int. Conf. on Computability and
Complexity in Analysis (CCA'08),
Electronic Notes in Theoretical Computer Science
vol.221 (2008).
- F.Fischer, M.Hilbig, C.Jähn, F.Meyer auf der Heide, M.Ziegler:
"Planar
Visibility Counting" (4-page extended abstract),
pp.203-206 in Proc. 25th European Workshop on Computational Geometry (2009).
- M.Ziegler:
"Physically-relativized
Church-Turing Hypotheses: Physical foundations of computing and complexity
theory of computational physics",
to appear in Applied Mathematics and Computation (2009).
Conference/Workshop Participations/Presentations: