Ragni Piene

Bilde av Ragni Piene
English version of this page
Telefon +47 22855906
Rom 1217
Brukernavn
Besøksadresse Moltke Moes vei 35 Niels Henrik Abels hus 0851 Oslo
Postadresse Postboks 1053 Blindern 0316 Oslo

Faglige interesser

Algebraisk geometri, spesielt enumerativ geometri og snitteori, singulariteter, modulrom, toriske varieteter; algebraiske metoder i datastøttet geometri, reelle algebraiske kurver og flater.

Bakgrunn

CV

Education:
1976 Ph.D., Massachusetts Institute of Technology, USA
1972 Cand.real., University of Oslo, Norway
1970 D.E.A., Université de Paris (Orsay), France
1969 Cand. mag., University of Oslo, Norway

Positions:
1987 - Professor, University of Oslo
1979-1986 Assoc. professor, University of Oslo

Research visits (1-12 months):
Institut Mittag-Leffler, Djursholm; MSRI, Berkeley; École Normale Supérieure,Paris; Bunting Institute/Harvard University; Université de Grenoble; Universidad Federal  de Pernambuco, Recife; Institut des Hautes Études Scientifiques, Bures; École Polytechnique, Palaiseau; Massachusetts Institute of Technology.

Verv

2020–2024 Chair of the Scientific Council of the Fondation Mathématique Jacques Hadamard

2015–2025 Member of the Heidelberg Laureate Forum Foundation Council

 

 

Emneord: Matematikk, Algebra og algebraisk geometri

Publikasjoner

  • Piene, Ragni (2022). Higher order polar and reciprocal polar loci. I Aluffi, Paolo; Anderson, David; Hering, Milena; Mustata, Mircea & Payne, Sam (Red.), Facets of Algebraic Geometry - A Collection in Honor of William Fulton's 80th Birthday, Volume 2. Cambridge University Press. ISSN 9781108792516. s. 238–253. Fulltekst i vitenarkiv
  • Piene, Ragni & Kleiman, Steven (2022). Node Polynomials for Curves on Surfaces. SIGMA. Symmetry, Integrability and Geometry. ISSN 1815-0659. 18. doi: 10.3842/SIGMA.2022.059. Fulltekst i vitenarkiv
  • Piene, Ragni; Kohn, Kathlén; Ranestad, Kristian; Rydell, Felix; Shapiro, Boris & Sinn, Rainer [Vis alle 8 forfattere av denne artikkelen] (2021). Adjoints and canonical forms of polypols. arXiv.org. ISSN 2331-8422.
  • Piene, Ragni; Riener, Cordian & Shapiro, Boris (2021). Return of the evolute. arXiv.org. ISSN 2331-8422.
  • Dickenstein, Alicia & Piene, Ragni (2017). Higher order selfdual toric varieties. Annali di Matematica Pura ed Applicata. ISSN 0373-3114. 196(5), s. 1759–1777. doi: 10.1007/s10231-017-0637-4. Fulltekst i vitenarkiv
  • Piene, Ragni (2016). Chern–Mather classes of toric varieties. arXiv.org. ISSN 2331-8422.
  • Lanteri, Antonio; Mallavibarrena, Raquel & Piene, Ragni (2015). Inflectional loci of quadric fibrations. Journal of Algebra. ISSN 0021-8693. 441, s. 363–397. doi: 10.1016/j.jalgebra.2015.06.023. Fulltekst i vitenarkiv
  • Piene, Ragni (2015). Discriminants, polytopes, and toric geometry. I Cartier, Pierre; Choudary, A. D. R. & Waldschmidt, Michel (Red.), Mathematics in the 21st Century. Springer Science+Business Media B.V.. ISSN 978-3-0348-0858-3. s. 151–162. doi: 10.1007/978-3-0348-0859-0_9.
  • Piene, Ragni (2015). Polar varieties revisited. I Gutierrez, Jaime; Schicho, Josef & Weimann, Martin (Red.), Computer Algebra and Polynomials. Springer Science+Business Media B.V.. ISSN 978-3-319-15080-2. s. 139–150. doi: 10.1007/978-3-319-15081-9_8.
  • Piene, Ragni (2014). Algebraic spline geometry: some remarks. I Dokken, Tor & Muntingh, Agnar Georg Peder (Red.), SAGA – Advances in ShApes, Geometry, and Algebra. Results from the Marie Curie Initial Training Network. Springer. ISSN 978-3-319-08634-7. s. 169–175. doi: 10.1007/978-3-319-08635-4__9.
  • Dickenstein, Alicia; Di Rocco, Sandra & Piene, Ragni (2014). Higher order duality and toric embeddings. Annales de l'Institut Fourier. ISSN 0373-0956. 64(1), s. 375–400. doi: 10.5802/aif.2851.
  • Lanteri, Antonio; Mallavibarrena, Raquel & Piene, Ragni (2012). Inflectional Loci of Scrolls over Smooth, Projective Varieties. Indiana University Mathematics Journal. ISSN 0022-2518. 61(2), s. 717–750. doi: 10.1512/iumj.2012.61.4630.
  • Kleiman, Steven; Piene, Ragni & Tyomkin, Ilya (2011). Enriques diagrams, arbitrarily near points, and Hilbert schemes. Rendiconti Lincei - Matematica e Applicazioni. ISSN 1120-6330. 22(4), s. 411–451. doi: 10.4171/RLM/608.
  • Dickenstein, A; Di Rocco, S & Piene, Ragni (2009). Classifying smooth lattice polytopes via toric fibrations. Advances in Mathematics. ISSN 0001-8708. 222(1), s. 240–254. doi: 10.1016/j.aim.2009.04.002.
  • Johansen, Pål Hermunn; Piene, Ragni & Løberg, Magnus Bjørnsen (2008). Monoid hypersurfaces. I Jüttler, Bert & Piene, Ragni (Red.), Geometric Modeling and Algebraic Geometry. Springer. ISSN 978-3-540-72184-0. s. 55–77.
  • Mork, Heidi Camilla & Piene, Ragni (2008). Polars of real singular plane curves. I Dickenstein, Alicia; Schreyer, Frank Olaf & Sommese, Andrew J. (Red.), Algorithms in Algebraic Geometry. Springer Science+Business Media B.V.. ISSN 978-0-387-75154-2. s. 99–115.
  • Lanteri, Antonio; Mallavibarrena, Raquel & Piene, Ragni (2008). Inflectional loci of scrolls. Mathematische Zeitschrift. ISSN 0025-5874. 258, s. 557–564. doi: 10.1007/s00209-007-0185-5.
  • Piene, Ragni (2005). Singularities of some projective rational surfaces. I Dokken, Tor (Red.), Computational Methods for Algebraic Spline Surfaces. Springer. ISSN 3-540-23274-5. s. 171–182.

Se alle arbeider i Cristin

  • Holden, Helge & Piene, Ragni (2019). The Abel Prize 2013-2017. Springer Nature. ISBN 978-3-319-99027-9. 774 s.
  • Holden, Helge & Piene, Ragni (2014). The Abel Prize 2008–2012. Springer Science+Business Media B.V.. ISBN 978-3-642-39448-5. 571 s.
  • Holden, Helge & Piene, Ragni (2010). The Abel Prize 2003-2007. The First Five Years. Springer Publishing Company. ISBN 978-3-642-01372-0. 327 s.
  • Jüttler, Bert & Piene, Ragni (2008). Geometric Modeling and Algebraic Geometry. Springer. ISBN 978-3-540-72184-0. 232 s.
  • Piene, Ragni; Elkadi, Mohamed & Mourrain, Bernard (2006). Algebraic geometry and geometric modeling. Springer. ISBN 978-3-540-33274-9. 252 s.

Se alle arbeider i Cristin

  • Piene, Ragni (2021). Envelopes of plane curves: return of the evolute.
  • Piene, Ragni (2021). Singular curves on a moving surface.
  • Riener, Cordian & Piene, Ragni (2020). Ragni Piene. I Paycha, Sylvie & Matoff, Tovia (Red.), Women of mathematics throughout Europe - A gallery of portraits. Verlag am Fluss. ISSN 978-3-9814032-7-5. s. 122–129.
  • Piene, Ragni (2020). Partitions, polynomials and generating functions.
  • Piene, Ragni (2019). Polydiagonals and Bell polynomials in curve counting.
  • Piene, Ragni (2019). Projective geometry from a toric point of view.
  • Piene, Ragni (2019). Projective geometry from a toric point of view.
  • Piene, Ragni (2019). Discriminants and polytopes in toric geometry.
  • Piene, Ragni (2019). Higher order polar and reciprocal polar varieties.
  • Piene, Ragni (2019). Counting problems and generating functions.
  • Lanteri, Antonio; Mallavibarrena, Raquel & Piene, Ragni (2018). Corrigendum to “Inflectional loci of quadric fibrations” [J. Algebra 441 (2015) 363–397] (S0021869315003221) (10.1016/j.jalgebra.2015.06.023)). Journal of Algebra. ISSN 0021-8693. 508, s. 589–591. doi: 10.1016/j.jalgebra.2018.04.012.
  • Piene, Ragni (2018). Reciprocal polar varieties.
  • Persson, Ulf & Piene, Ragni (2018). Interview with Ragni Piene. [Tidsskrift]. EMS Newsletter.
  • Piene, Ragni (2017). Euclidean projective geometry, reciprocal polar varieties, and focal loci.
  • Piene, Ragni (2017). Polar varieties and Euclidean distance degree.
  • Piene, Ragni (2017). Algebraic geometry for geometric modeling.
  • Piene, Ragni (2017). Euclidean projective geometry: reciprocal polar varieties and focal loci.
  • Piene, Ragni (2016). Algebraic splines and generalized Stanley–Reisner rings.
  • Piene, Ragni (2016). Enumeration of singular curves on surfaces.
  • Piene, Ragni (2016). Algebraic splines and generalized Stanley–Reisner rings.
  • Piene, Ragni (2015). Projective geometry from a toric point of view.
  • Piene, Ragni (2015). Counting curves on singular surfaces.
  • Piene, Ragni (2015). Higher order self-dual toric varieties.
  • Piene, Ragni (2014). Higher order osculating spaces and dual varieties of toric varieties.
  • Piene, Ragni (2014). An interview with Cheryl Praeger. Seoul Intelligencer. s. 16–18.
  • Jemterud, Torkild & Piene, Ragni (2014). Ekko. [Radio]. NRK.
  • Piene, Ragni & Næss Olsen, Maren (2014). Mysteriet med kvinnene som forsvant. [Avis]. Morgenbladet.
  • Piene, Ragni & Sundlisæter, Tale (2013). Profilen: Ragni Piene. [Fagblad]. Teknisk Ukeblad.
  • Piene, Ragni (2013). Polar varieties revisited.
  • Piene, Ragni (2013). Node polynomials for curves on surfaces.
  • Piene, Ragni (2013). Enriques diagrams and equisingular strata of families of curves.
  • Piene, Ragni (2013). Polytopes, discriminants and toric geometry.
  • Piene, Ragni (2013). Discriminants, polytopes and toric geometry.
  • Piene, Ragni (2013). Higher order selfdual toric varieties.
  • Piene, Ragni (2012). Goldbachs formodning. [Radio]. "Det du tror, men ikke kan bevise", Radioselskapet, NRK.
  • Piene, Ragni (2012). Abelprisen 2012. [Radio]. Dagsnytt atten - NRK.
  • Piene, Ragni (2012). Cayley polytopes and toric geometry.
  • Holden, Helge & Piene, Ragni (2012). Matematikkens gave. Aftenposten (morgenutg. : trykt utg.). ISSN 0804-3116.
  • Piene, Ragni (2012). The Abel Prize – the first 10 years.
  • Piene, Ragni (2011). Enumerative geometry related to mirror symmetry and SYZ.
  • Piene, Ragni (2011). Abelprisen til banebryter. [Avis]. Aftenposten.
  • Piene, Ragni (2011). Matematyka jest wszechobecna. Wiadomości Matematyczne. 47(2), s. 221–223.
  • Piene, Ragni (2011). Higher order dual varieties: the toric case.
  • Piene, Ragni (2011). Higher order dual varieties - the toric case.
  • Piene, Ragni (2011). The problematic art of counting.
  • Piene, Ragni (2011). Generating functions in enumerative geometry.
  • Piene, Ragni (2011). Generating functions and enumerative geometry.
  • D'Andrea, Carlos; Giusti, Marc; Pardo, Luis M. & Piene, Ragni (2010). Effective methods in algebraic geometry 2009: Barcelona. Guest editors' foreword. Journal of symbolic computation. ISSN 0747-7171. 45(12), s. 1251–1253. doi: 10.1016/j.jsc.2010.06.007.
  • Piene, Ragni (2010). Mathematics ought to be a subject very suited for women. [Avis]. ICWM Newsletter.
  • Piene, Ragni (2010). And who chooses the winners? [Internett]. http://plus.maths.org/content/and-who-chooses-winners.
  • Piene, Ragni (2010). Some Counting Problems and Their Generating Functions.
  • Piene, Ragni (2010). Inflection loci of projective varieties.
  • Piene, Ragni (2010). Classification des polytopes entiers par fibrations toriques.
  • Piene, Ragni (2010). Curve counting and generating functions.
  • Piene, Ragni (2009). Generating functions in enumerative geometry.
  • Piene, Ragni (2009). Counting curves: the hunting of generating functions.
  • Piene, Ragni (2008). Classifying regular lattice polytopes via toric fibrations.
  • Piene, Ragni (2008). Infinitely near points, Enriques diagrams, and Hilbert schemes.
  • Piene, Ragni (2008). Classifying lattice polytopes using toric fibrations.
  • Piene, Ragni (2008). Classifying regular lattice polytopes using toric fibrations.
  • Piene, Ragni (2007). Equal to Nobel. [Avis]. Frontline, Vol. 24, Issue 07 (India).
  • Piene, Ragni (2007). Real monoid surfaces.
  • Piene, Ragni (2007). Curves and surfaces.
  • Piene, Ragni (2007). Inflectional loci of scrolls.
  • Piene, Ragni (2006). Polar and dual varieties of real curves and surfaces.
  • Piene, Ragni (2006). Enumerating singular curves on a surface.
  • Piene, Ragni (2006). Zariski clusters, Hilbert schemes, and singular curves on a surface.
  • Piene, Ragni (2005). Generating functions and enumerative geometry.
  • Piene, Ragni (2005). Bell polynomials and enumerative geometry.
  • Piene, Ragni (2005). Counting curves on a surface.
  • Piene, Ragni (2005). The curve counting problem.
  • Piene, Ragni (2005). The curve counting problem.
  • Moe, Torgunn Karoline; Piene, Ragni & Ranestad, Kristian (2013). Cuspidal curves on Hirzebruch surfaces. Akademika forlag.
  • Muntingh, Agnar Georg Peder; Piene, Ragni & Winther, Ragnar (2011). Topics in Polynomial Interpolation Theory. Unipub forlag. ISSN 1501-7710. 1056(1056).

Se alle arbeider i Cristin

Publisert 24. okt. 2010 15:18 - Sist endret 1. mars 2022 16:18