Publications by Jan Stevens
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53. The dimension of the moduli space of pointed algebraic curves of low genus
Communications in Algebra, 51:7 (2023), 2963-2977, DOI:
10.1080/00927872.2023.2175840
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52. Dijkstra, Thâbit ibn Qurra and Pythagoras.
Mitt. Math. Ges. Hamburg. 42 (2022)
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51. (with André Contiero, Aislan Leal Fontes and Jhon Quispe Vargas) On nonnegatively graded Weierstrass points.
arXiv:2111.07721
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50. (with Katharina Heinrich and Roy Skjelnes) The space of twisted cubics.
epiga:5573 - Épijournal de Géométrie Algébrique, June 3, 2021, Volume 5 -
DOI:
10.46298/epiga.2021.volume5.5573
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49. (with Gavin Brown and Miles Reid) Tutorial on Tom and Jerry:
the two smoothings of the anticanonical cone over P(1,2,3).
EMS Surv. Math. Sci. 8 (2021), 25-38. DOI:
10.4171/EMSS/43 .
Singular computations for this paper.
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48. Kulikov singularities.
Journal of Singularities
18 (2018), 477-485
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47. Nonnormal Isolated Surface Singularities and Constructing Threefolds with P1 as Exceptional Set.
In: Decker W., Pfister G., Schulze M. (eds) Singularities and Computer Algebra. Springer, Cham (2017), pp. 329-351
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46. (with J. Chris Fisher and Eberhard M. Schröder)
Circle incidence theorems.
Forum Geometricorum 15 (2015), 211-228
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45. Conjectures on Stably Newton Degenerate Singularities.
Arnold Mathematical Journal, 7 (2021), 441-465
DOI: 10.1007/s40598-021-00178-8
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44. Simple curve singularities.
Journal of Singularities
12 (2015), 191-206
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43. Simple surface singularities.
Algebraic Geometry, 4 (2) (2017), 160-176
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42. Non-embeddable 1-convex manifolds.
Ann. Inst. Fourier 64 (2014), 2205-2222
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41. On the classification of rational surface singularities.
Journal of Singularities 7 (2013), 108-133
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- 40.
Computing Versal Deformations of Singularities with Hauser's Algorithm.
In: Deformations of Surface Singularities, Springer, Berlin (2013),
(Bolyai Society Mathematical Studies, Vol. 23), pp. 203-228
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The versal deformation of cyclic quotient singularities.
In: Deformations of Surface Singularities, Springer, Berlin (2013),
(Bolyai Society Mathematical Studies, Vol. 23), pp. 163-201
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- 38.
(with Gunther Cornelissen, Wilberd van der Kallen, Jeroen Sijsling, Willem de
Graaf, Bart de Smit and Freek Wiedijk)
Wiskundig onderzoek per computer?
Nieuw Archief voor Wiskunde (5) 10 (2009), 197-200
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- 37.
Universal abelian covers of superisolated singularities.
Math. Nachr. 282 (2009), 1195-1215
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Regn och sprit. Nieuw Archief voor Wiskunde (5) 6 (2005), 110.
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Poincaré series and zeta functions of singularities of irreducible plane curves (Russian).
Sovrem. Mat. Prilozh. No. 33 (2005), 104-109;
translation in J. Math. Sci. (N. Y.) 144
(2007) 3848-3853
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Rekenen met Macaulay.
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Poincaré series and zeta function for an irreducible
plane curve singularity.
Bull. London Math. Soc. 37 (2005), 399-404
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Sextic surfaces with ten triple points.
In:
Singularities and computer algebra, Cambridge Univ. Press, Cambridge (2006),
(London Math. Soc. Lect Note Ser.; 324), pp.315-331
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Deformations of singularities.
Springer, Berlin etc. 2003, (Lect. Notes in Math.; 1811)
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Higher cotangent cohomology of rational surface singularities.
Compositio Math. 140 (2004), 528-540
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Some adjacencies to cusp singularities.
In: Real and Complex
Singularities. Contemporary Mathematics 354 (2004), American Mathematical
Society,
pp. 291-300
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Semistable K3-surfaces with icosahedral symmetry.
Enseignement Math. 48 (2002), 91-126
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Semistable K3 surfaces
with icosahedral symmetry.
Proceedings of The international Symposium on Singularity theory and its
applications, Beijing 2001
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- 26. (with Stefan Endrass and Ulf Persson)
Surfaces with Triple Points.
J. Algebraic Geom. 12 (2003), 307-320
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Rolling Factors Deformations and Extensions of Canonical Curves.
Documenta Math. 6 (2001), 185-226
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Zur Irrationalität von Pi.
Mitt. Math. Ges. Hamburg. 18 (1999), 151-158
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- 23. (with Klaus Altmann)
Cotangent cohomology of rational surface singularities.
Invent. math. 138 (1999), 163-181
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- 22. Degenerations of elliptic curves and cusp singularities.
Math. Ann. 311 (1998), 199-222
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- 21. (with Rüdiger Drewes)
Deformations of cones over canonical trigonal curves.
Abh. Math. Sem. Univ. Hamburg 66 (1996), 289-315
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- 20. Computing versal deformations.
Experiment. Math. 4 (1995), 129-144
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- 19. Deformations of singularities.
Habilitationsschrift, Hamburg 1994, 99 + iii pp.
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- 18. On the computation of versal deformations.
J. Math. Sci. 82 (1996), 3713-3720
(Translated from: Itogi Nauki, Vol. 20, Topologiya-3, 1994)
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- 17. On the classification of reducible curve
singularities.
In: Algebraic Geometry and Singularities,
Birkhäuser, Basel (1996)
(Progr. in Math.; 134), pp. 383-407
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- 16. Deformations of cones over hyperelliptic curves.
J. Reine Angew. Math. 473 (1996), 87-120
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- 15. The versal deformation of universal curve singularities.
Abh. Math. Sem. Univ. Hamburg 63 (1993), 197-213
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- 14. Partial resolutions of quotient singularities.
Manuscripta math. 79 (1993), 7-11
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- 13. On deformations of singularities of low dimension and codimension: base
spaces and smoothing components. Preprint 1991
(Schriftenreihe Forschungsschwerpunkt Komplexe
Mannigfaltigkeiten; 129), 19 pp.
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- 12. Partial Resolutions of Rational Quadruple Points.
Internat. J. of Math. 2 (1991), 205-221
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- 11. (with J.H.M. Steenbrink and R. Schrauwen)
Spectral Pairs and the Topology of Curve Singularities.
In: Complex Geometry and
Lie Theory. Proc. Symp. Pure Math. 53 (1991), pp. 305-328
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- 10. A generalisation of Noether's formula for the number of
virtual double points
to space curve singularities. Arch. Math. 56 (1991) 96-99
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- 9. On the versal deformation of cyclic quotient singularities.
In: Singularity theory and its applications, Part I. Springer, Berlin
(1991) (Lect. Notes in Math.; 1462), pp. 302-319
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- 8. On the number of points determining a canonical curve.
Indag. Math. 51 (1989), 485-494
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- 7. On the mu-constant Stratum and the V-Filtration.
Math. Z. 201 (1989), 139-144
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- 6. On canonical singularities as total spaces of deformations.
Abh. Math. Sem. Univ. Hamburg 58 (1988), 275-283
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- 5. Improvements of non-isolated surface singularities.
J. Lond. Math. Soc. 39 (1989), 129-144
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- 4.
Periodicity of Branched Cyclic Covers of Manifolds with Open Book
Decompositions. Math. Ann. 273 (1986), 227-239
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- 3.
Kulikov singularities, a study of a class of complex surface
singularities with their hyperplane sections. Diss. Leiden 1985,
112+viii pp.
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Elliptic Surface Singularities and Smoothings of Curves.
Math. Ann. 267 (1984), 239-249
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1.
(with J.H.M. Steenbrink) Topological invariance
of the weight filtration. Indag. Math. 46
(1984), 63-76
Jan Stevens
05/04/2012