Prof. Günter M. Ziegler
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Older Materials from my Homepage
On John L. Casti: ``Mathematical Mountaintops''
- a book review for Zentralblatt für Mathematik;
see also the review by David Roberts at MAA Online
... and the New York Times article by Edward Rothstein about the case.
Lange Nacht der Wissenschaften, 12. Juni 2004
Lesung: Mathematik im Alltag: Die Kunst des Einparkens, Nobels Geliebte,
und Formeln für alle Gelegenheiten
``Können Sie in zwei Sätzen erklären...?'' (Öffentliche Vorlesung
anlässlich des Leibniz-Preises der DFG, 31. Januar 2001;
Vortragsmanuskript in postscript bzw. pdf)
``Einladung in die vierte Dimension'' (Vortrag im Siemens-Forum, 10. September 2001)
- January 6, 2005: Branko Grünbaum received the
2005 Steele Prize for Mathematical Exposition
for his volume Convex Polytopes
(2nd edition 2003 edited by Volker Kaibel, Victor Klee, and Günter M. Ziegler)
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February 2, 2005: One-Day Meeting in Combinatorics,
Dept. Mathematics, University College London
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14. Januar 2005: Mathematisches Kolloquium, Universität Freiburg
Vortrag: ``Die f-Vektoren von 4-Polytopen''
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13. Januar 2005: Mathematisches Kolloquium, Universität Heidelberg
Vortrag: ``Die Kombinatorik der 3-Sphäre''
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7./8. Januar 2005:
Sächsischer Geometrietag 2005, Dresden
Vortrag: ``Polyedrische Flächen von hohem Geschlecht''
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Mini-Workshop Mathematical topics in surface modelling
DFG Research Center Matheon
TU Berlin, December 15-16, 2004
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Learn- and Workshop Geometry, Randomness, and Counting
Forschergruppe Algorithmen, Struktur, Zufall
TU Berlin, December 6-8, 2004
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Am 18. November berichte ich in Bochum in
der Ringvorlesung der Fachschaft
Mathematik im Alltag
über "Die Kunst des Einparkens, Nobels Geliebte, und
Formeln für alle Gelegenheiten"
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12.-13. November, Kolloquium über Kombinatorik, Magdeburg
Invited (Closing) Lecture: Polytopes, Block matrices, and Projections
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Am 12. November 2004 sprach ich in Heidelberg in der
Vortragsreihe Faszination Wissenschaft am Heidelberger Life-Science Lab/Deutsches Krebsforschungszentrum
Vortrag: "Mathematische Geistesblitze --- das BUCH der Beweise''}
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Belgrade, October 28-30:
I visited Rade Zivaljevic and Pavle Blagojevic in Belgrade.
Colloquium Lecture, October 29:
"On the Combinatorics of the 3-Sphere"
Torsten Schöneborn and Stephan Hell will give Seminar lectures.
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Dies Academicus, TU Berlin, 20. Oktober 2004:
Der 1. Absolventenpreis wurde an
Torsten Schöneborn verliehen, der sein
Studium (Bonn, Cambridge, TU Berlin) nach 9 Semestern
in meiner Arbeitsgruppe mit einer
Diplomarbeit
"The Topological Tverberg Theorem and Winding Numbers"
abgeschlossen hat.
Glückwunsch!
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Symposium Discrete Mathematics, 7./8. Oktober 2004:
Julian Pfeifle erhielt für seine
Dissertation
"Extremal Constructions for Polytopes and Spheres" (TU Berlin, 2003)
bei der Verleihung des Richard-Rado-Preises 2004
der Fachgruppe Diskrete Mathematik der DMV eine Ehrenvolle Anerkennung.
Congratulations!
Projects/Projekte
Vorlesungen (Wintersemester 2001/2002):
Vorlesungen (Sommersemester 2002):
Vorlesungen (Wintersemester 2002/2003):
Vorlesungen (Sommersemester 2003):
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Proseminar zur Linearen Algebra
(Blockseminar, 11./12. Juli, Raum MA 313/314)
Besprechungen: Dienstags 6. Mai, 27. Mai, 3. Juni, 24. Juni, 8. Juli,
jeweils 18:00, MA 626
- Seminar zur Algorithmischen Diskreten Mathematik:
Enumerations-Methoden/Enumeration Methods
(Blockseminar, June 20 (starting 8:30 a.m.) and June 21,
Room MA 313/314, in English)
Materialien dazu: Themenliste und
Ausarbeitungen -
Diplomandenseminar
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Oberseminar
Vorlesungen (Wintersemester 2003/04):
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Topologie
(Vorlesung Montags und Mittwochs 8:30-10 Raum MA144;
Übungen Freitags, 8:30-10 Raum MA141)
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Diplomandenseminar
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Oberseminar
Vorlesungen (Sommersemester 2004):
Combinatorics, Geometry, and Computation
DocCourse for pre-doctoral and doctoral students, Prague/Berlin, January - June 2004
I will give a course
Discrete Geometry (Polytopes and More)
Volker Kaibel will teach the other course, on Random Generation and Approximate Counting
Vorlesungen (Wintersemester 2004/05):
Discrete Differential Geometry
Oberwolfach Seminar, May 30 - June 5, 2004
at the
Mathematisches Forschungsinstitut Oberwolfach
Polytopes
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Face Numbers of 4-Polytopes and 3-Spheres,
Preprint, June 2002, 10 pages (Unfortunately, in the version published
in Proc. ICM 2002, Beijing,
Vol. III, pp. 625-634,
the figure on p. 630 is distorted and has no labels; a correct version
is also deposited at arXiv:math.MG/0208073)
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Fat 4-polytopes and fatter 3-spheres,
with David Eppstein
and Greg Kuperberg
in: ``Discrete Geometry: In honor of W. Kuperberg's
60th birthday''
(A. Bezdek, ed.), Pure and Applied Mathematics Vol. 253,
Marcel Dekker Inc. 2003 ($175!!), pp. 239--265
(arXiv:math.CO/0204007).
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Basic Properties of Convex Polytopes
(with Martin Henk and Jürgen Richter-Gebert; version of January 2003:
revised, chapter 16 of the second edition of
the ``CRC Handbook of Discrete and Computational Geometry,''
edited by J.E. Goodman and J. O'Rourke.), 2004, pp. 355-382.
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Polytopes - Combinatorics and Computation
(G. Kalai &
G.M. Ziegler,
eds.),
DMV-Seminar 29,
Birkhäuser-Verlag
Basel, August 2000.
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Questions about polytopes,
in: Mathematics Unlimited - 2001 and Beyond,
edited by Björn Enquist and Wilfried Schmid,
Springer Verlag, Berlin Heidelberg 2000, 1195-1211.
An additional list of references is available for this article.
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Vertex-facet incidences of unbounded polyhedra,
with Michael Joswig,
Volker Kaibel, and
Marc E. Pfetsch;
Advances
in Geometry 1 (2001), 23-36
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Examples and counterexamples for the Perles conjecture,
with Christian Haase; Discrete & Computational Geometry,
28 (2002), 29-44.
Discrete Geometry
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On free planes in lattice ball packings,
with Martin Henk
and Chuanming Zong; Bull. London Math. Soc. 34 (2002), 284-290.
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Oriented matroids
(with Jürgen Richter-Gebert; version of January 2003:
revised, chapter 6 of the second edition of
the ``CRC Handbook of Discrete and Computational Geometry,''
edited by J.E. Goodman and J. O'Rourke.),
2004, pp. 129-151.
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Coloring Hamming graphs, optimal binary codes, and
the 0/1-Borsuk problem in low dimensions,
in: ``Computational Discrete Mathematics. Advanced Lectures''
(H. Alt, ed.), Lecture Notes in Computer Science 2122,
Springer-Verlag 2001, pp. 159-171.
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Zonotopes associated with higher Bruhat orders,
with Stefan Felsner;
in: ``Tverberg Festschrift'' (B. Lindström, J. Zaks,
eds.), Discrete Math.
241 (2001), 301-312.
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Oriented Matroids
Encyclopedia of Mathematics 46,
Second Edition, Cambridge University Press, Cambridge 1999.
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Oriented Matroids Today,
a dynamic survey and updated bibliography,
the electronic journal of combinatorics
3 (1996), DS#4 (version of 9/15/1998).
Algebraic Geometry
Combinatorics and Topological Methods
Optimization
The ``DISCRETE GEOMETRY'' Group
PREPRINTS:
- Julian
Pfeifle:
Kalai's squeezed 3-spheres are polytopal (Preprint, February 2001,
revised October 2001)
- Oleg Pikhurko:
Lattice points in lattice simplices (Preprint, August 2000)
- Frank
H. Lutz:
Triangulated Manifolds with Few Vertices and Vertex-Transitive Group
Actions, Dissertation, TU Berlin 1999;
Shaker Verlag, Aachen 1999.
- Mark de Longueville:
Notes
on the topological Tverberg theorem
(Seminar Notes, January 1998; revised version to appear in the
``Tverberg Festschrift'' (B. Lindström, J. Zaks, eds.), Discrete Math.).
Back to my current homepage
Last modified: Wed Oct 15 14:55:54 CEST 2003
ziegler@math.tu-berlin.de
Mathematics for Key Technologies in Berlin