Dirk Siersma
Address
Mailing address
Universiteit
Utrecht
P.O.Box 80.010
3508 TA UTRECHT
The Netherlands
E-mail:
D.Siersma
"at" uu.nl
Preprints (since 1995)
On polynomial and meromorphic
functions
Dirk Siersma,
Mihai Tibar,
- Singularities
at Infinity and their Vanishing Cycles,
Preprint European
Singularity Project, No 67; 1995.
Published in: Duke
Mathematical Journal Vol 80, No. 3; December 1995; p 771-783.
Dirk Siersma, Job Smeltink,
- Classification
of singularities at infinity of polynomials of degree 4 in two
variabales,
Preprint 945, Department of Mathematics,
University of Utrecht (February, 1996).
Published in: Georgian
Mathematical Journal Vol 7 (2000), No 1; p. 179-190.
Dirk Siersma, Mihai Tibar,
- Topology of
polynomial functions and monodromy dynamics,
C. R. Acad.
SCi. Paris, t. 327, Serie I,p. 655-660, 1998
Dirk Siersma, Mihai Tibar,
- Singularities at
infinity and their vanishing cycles, II. Monodromy.,
Preprint
1088, Department of Mathematics, University of Utrecht (January,
1999)
Published in: Publications of the RIMS, Kyoto University,
Vol 36, No 6 (2000), 659-679.
Dirk Siersma, Mihai Tibar,
- On the
vanishing cycles and of a meromorphic function on the
complement of its poles.,
Preprint, Department of
Mathematics, University of Utrecht (May, 1999)
Published in:
Contemporary Mathematics, Volume 354 (2004), 277-289
Dirk Siersma, Mihai Tibar,
Deformations of polynomials, boundary
singularities and monodromy.
Preprint, Department of
Mathematics, University of Utrecht (July 2002)
Published in:
Moscow Mathematical Journal, 3 (2) (2003), 661-697.
Dirk Siersma,
Mihai Tibar,
- Singularity
Exchange at Infinity.
Preprint arXiv
math.AG/0401396
Preprint 1295, Department of Mathematics,
University of Utrecht (Febrtuary 2004)
Dirk Siersma, Mihai Tibar
- Curvature
and Gauss-Bonnet defect of global affine hypersurfaces.
Preprint arXiv math.DG/0407056
Sabir M. Gusein-Zade, Dirk
Siersma
Deformations
of Polynomials and their zeta functions.
Preprint arXiv. Math
AG/0503xxx
Russian ps-version.
Dirk Siersma,
Mihai Tibar,
Betti Bounds of Polynomials
Preprint arXiv
math.AG/
Published in: Moscow
Mathematical Journal, 11 (3) (2011), 599-615.
Dirk Siersma,
Mihai Tibar,
Vanishing Cycles of
Polynomials
Lecture Notes for CIMPA Research School:
Singularities: algebra, geometry and applications.
August 2011,
Kiev, Ukraine.
On lines on hypersurface
- Jiang Guangfeng, Dirk Siersma,
-
Local embeddings of lines in singular surfaces ,
Preprint 1050, Department of Mathematics, University of Utrecht
(February, 1998).
Published in: Annales de l'Institut Fourier,
49 , 4 (1999), 1129-1147. -
Guangfeng Jiang, Mutsuo Oka, Duc
Tai Pho, Dirk Siersma, -
Lines on Brieskorn-Pham Surfaces,
Tokyo Metropolotan University Mathematics Preprint Series; 1999
No. 3 (January 1999)
Published in: Kodai Mathematical Journal,
Vol. 23, No2, pp. 214-223, June 2000.
On conflict sets
- Dirk Siersma,
-
Voronoi Diagrams and Morse Theory of the
Distance Function
Preprint 967, Department of Mathematics,
University of Utrecht (June, 1996).
Published in: O.E.
Barndorff-Nielsen and E.B.V. Jensen (eds.), Geometry in Present Day
Science, World Scientific, Singapore, etc (1999), 187-208. -
Dirk Siersma, -
Properties of Conflict Sets in the Plane,
Preprint 1089, Department of Mathematics University Utrecht
(February, 1999).
Published in: Geometry and Topology of
Caustics - Caustics 1998; Banach Center Publications Volume 50
(1999); p. 267 - 276
Jorge Sotomayor, Dirk Siersma, Ronaldo Garcia,
- Curvatures of
Conflict Surfaces in Euclidean 3-space,
Preprint 1090,
Department of Mathematics University Utrecht (February, 1999).
Published in: Geometry and Topology of Caustics - Caustics 1998;
Banach Center Publications Volume 50 (1999); p. 277-285.
R. Lindenbergh, W. van der Kallen, D. Siersma,
Configuration spaces and limits of Voronoi
diagrams.
Manuscript september 2002.
Published in: Geometry and Topology of Caustics - Caustics 2002;
Banach Center Publication Volume 62 (2003); p.
183-195.
M. van Manen, D.
Siersma,
The nine Morse generic tetrahedra
Manuscript
october 2004. Math.DG/0410251
M. van
Manen, D. Siersma,
Power
Diagrams and their Applications
Manuscript august 2005. Math.MG/0508037;
will be published in separate papers.
M. van Manen, D. Siersma,
Medial
Axis and a Moment Map
Published in Demonstratio Mathematica.
L.Birbrair, D. Siersma,
Metric
Properties of Conflict Sets, Manuscript april 2007;
Math.MG0704.3992
Published
in Houston Mathematical Journal
On round functions
- George Khimshiashvili, Dirk Siersma,
-
On minimal round functions,
Preprint
1118, Department of Mathematics, University of Utrecht (September,
1999).
Summary published in : Bulletin of the Georgian Academy
of Science, 164, nr 4 (2000); p 3-7\
Part published as: Remarks
on minimal round functions in: Geometry and Topology of Caustics -
Caustics 2002; Banach Center Publications Volume 62 (2003); p.
159-172.
On non isolated singularities
- Dirk Siersma,
-
The vanishing topology of non isolated
singularities ,
Published in: New Developments in
Singularity Theory
(Proceedings of the Advanced Study Institute
at the Isaac Newton Institute in Cambridge(UK);
31 July-
11 August 2000), Kluwer Academic Publishers, Dordrecht, etc (2001),
p.447-472 -
On polygonal linkages
- George Khimshiashvili, Dirk Siersma
-
Cyclic Configurations of planar
multiple penduli
-
ICTP Preprint IC2009047 (june 2009)
-
George Khimshiashvili, Gaiane Panina, Dirk
Siersma, Alena Zhukova
-
Extremal Configurations of polygonal
linkages.
-
Oberwolfach Preprint OWP 2011-24 (september 2011)
-
George Khimshiashvili, Gaiane Panina, Dirk
Siersma, Alena Zhukova
-
Critical
configurations of planar robot arms
-
ArXiv Math,DG january 2012
Thesis Jiang
- Jiang Guangfeng
-
Functions
with non-isolated singularities on singular spaces.,
Dissertation, University of Utrecht (February 16, 1998).
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Photographs
Some old files
Dirk Siersma
Last updated: march 2012