Jan Arthur Christophersen

Bilde av Jan Arthur Christophersen
English version of this page
Telefon +47-22855903
Rom 624
Brukernavn
Besøksadresse Moltke Moes vei 35 Niels Henrik Abels hus 0851 OSLO
Postadresse Postboks 1053 Blindern 0316 OSLO

Preprints

Comparison theorems for deformation functors with Jan O. Kleppe

Emneord: Algebra og algebraisk geometri, Matematikk

Publikasjoner

  • Christophersen, Jan Arthur & Ilten, Nathan Owen (2017). Vanishing cotangent cohomology for Plücker algebras. Communications in Algebra.  ISSN 0092-7872.  45(9), s 3929- 3947 . doi: 10.1080/00927872.2016.1249373 Fulltekst i vitenarkiv.
  • Christophersen, Jan Arthur & Ilten, Nathan Owen (2016). Hilbert schemes and toric degenerations for low degree Fano threefolds. Journal für die Reine und Angewandte Mathematik.  ISSN 0075-4102.  2016(717), s 77- 100 . doi: 10.1515/crelle-2014-0011
  • Christophersen, Jan Arthur & Ilten, Nathan Owen (2014). Degenerations to unobstructed Fano Stanley-Reisner schemes. Mathematische Zeitschrift.  ISSN 0025-5874.  278(1-2), s 131- 148 . doi: 10.1007/s00209-014-1309-3
  • Christophersen, Jan Arthur (2011). Deformations of equivelar Stanley-Reisner abelian surfaces. Advances in Mathematics.  ISSN 0001-8708.  227(2), s 801- 829 . doi: 10.1016/j.aim.2011.02.014
  • Altmann, Klaus & Christophersen, Jan Arthur (2010). Deforming Stanley-Reisner schemes. Mathematische Annalen.  ISSN 0025-5831.  348(3), s 513- 537 . doi: 10.1007/s00208-010-0490-x
  • Altmann, Klaus & Christophersen, Jan Arthur (2004). Cotangent cohomology of Stanley-Reisner rings. Manuscripta mathematica.  ISSN 0025-2611.  115, s 361- 378
  • Christophersen, Jan Arthur & Gustavsen, Trond Stølen (2001). On infinitesimal deformations and obstructions for rational surface singularities. Journal of Algebraic Geometry.  ISSN 1056-3911.  10(1), s 179- 198
  • Behnke, Kurt & Christophersen, Jan Arthur (1994). M-resolutions and deformations of quotient singularities. American Journal of Mathematics.  ISSN 0002-9327.  116, s 881- 903
  • Behnke, Kurt & Christophersen, Jan Arthur (1993). Hypersurface sections and obstructions (minimal elliptic singularities). Transactions of the American Mathematical Society.  ISSN 0002-9947.  335, s 175- 193
  • Behnke, Kurt & Christophersen, Jan Arthur (1991). Hypersurface sections and obstructions (rational surface singularities). Compositio Mathematica.  ISSN 0010-437X.  77, s 233- 268
  • Christophersen, Jan Arthur (1991). On the components and discriminant of the versal base space of cyclic quotient singularities, In D. Mond & J. Montaldi (ed.),  Singularity Theory and its Applications, Warwick 1989 Part 1.  Springer.  s 81 - 92
  • Christophersen, Jan Arthur (1987). Monomial curves and obstructions on cyclic quotient singularities, In G.-M. Greuel & G. Trautman (ed.),  Singularities, Representation of Algebras, and Vector Bundles, Proc., Lambrecht 1985.  Springer.  s 117 - 133

Se alle arbeider i Cristin

  • Christophersen, Jan Arthur (2016). Derivations of artinian algebras and rigidity of curve singularities.
  • Christophersen, Jan Arthur (2014). Local cohomology and higher cotangent cohomology for cones over Grassmannians. FU Berlin.
  • Christophersen, Jan Arthur (2014). Local cohomology of the Kähler differentials of invariant rings.
  • Christophersen, Jan Arthur (2013). Comparison theorems for deformation functors.
  • Christophersen, Jan Arthur (2013). Simplicial complexes and projective varieties.
  • Christophersen, Jan Arthur (2012). Comparison theorems for deformation functors.
  • Christophersen, Jan Arthur (2012). Simplicial complexes and projective varieties.
  • Christophersen, Jan Arthur (2012). Triangulated topological manifolds and special algebraic varieties.
  • Christophersen, Jan Arthur & Kleppe, Jan Oddvar (2012). Comparison theorems for deformation functors.
  • Christophersen, Jan Arthur (2011). Associahedra, deltahedra and Mukai varieties.
  • Christophersen, Jan Arthur (2011). On the Hilbert scheme containing Fano threefolds of low degree.
  • Christophersen, Jan Arthur (2011). The associahedron, deltahedra and Stanley-Reisner Fano varieties.
  • Christophersen, Jan Arthur (2011). Triangulated topological manifolds and special algebraic varieties.
  • Christophersen, Jan Arthur (2010). Deformasjoner av monomiale idealer.
  • Christophersen, Jan Arthur (2010). Deformation Theory. Vis sammendrag
  • Christophersen, Jan Arthur (2010). Deformations of Stanley-Reisner abelian surfaces.
  • Christophersen, Jan Arthur (2010). Deformations of monomial ideals.
  • Christophersen, Jan Arthur (2010). Forelesningsnotater MAT2500.
  • Christophersen, Jan Arthur (2009). Ekvivelære trianguleringer av torusen og abelske flater.
  • Christophersen, Jan Arthur (2009). Equivelar triangulations of tori and abelian surfaces.
  • Christophersen, Jan Arthur (2009). Introductory course in Deformation Theory.
  • Christophersen, Jan Arthur (2009). Milnor fibers of cyclic quotient singularities.
  • Christophersen, Jan Arthur (2008). Deformations of Stanley-Reisner surfaces.
  • Christophersen, Jan Arthur (2008). The minimal triangulation of the torus and abelian surfaces.
  • Christophersen, Jan Arthur (2008). Triangulations of the Torus and Abelian Surfaces.
  • Christophersen, Jan Arthur (2007). Deformation theory in algebraic geometry.
  • Christophersen, Jan Arthur (2007). Deformations of a Stanley-Reisner abelian surface.
  • Christophersen, Jan Arthur (2006). Deformation theory, cotangent complexes and Massey products.
  • Christophersen, Jan Arthur (2006). Deformations of a Stanley-Reisner abelian surface and a Calabi-Yau 3-fold with Euler number 6.
  • Christophersen, Jan Arthur (2006). Deformations of a degenerate abelian surface in P^6.
  • Christophersen, Jan Arthur (2006). Deformations of a degenerate abelian surface in P6.
  • Christophersen, Jan Arthur (2000). Deforming Stanley-Reisner rings.
  • Christophersen, Jan Arthur (2000). Symmetri og materiens struktur - fra antikken til kvantefysikken.
  • Christophersen, Jan Arthur (1990). Obstructions for rational singularities and deformations of cyclic quotients.

Se alle arbeider i Cristin

Publisert 13. nov. 2010 13:55 - Sist endret 1. feb. 2017 15:01