Dr. Mara Ungureanu

Postdoc

E-mail:	mara.ungureanu@math.uni-freiburg.de
Telephone:	+49 (0)761 203 - 5568
Fax:	+49 (0)761 203 - 5541
Room:	324
Office hours:	by arrangement
Address:	Mathematisches Institut Abteilung Reine Mathematik Albert-Ludwigs-Universität Freiburg Ernst-Zermelo-Str. 1 79104 Freiburg i. Br. Germany

Academic interests

Classical algebraic geometry inspired by or connected to mathematical physics. In particular classical enumerative geometry problems, K3 surfaces and their moduli, and singularity theory.

CV

Click here.

Publications and preprints

• Universal polynomials for counts of secant planes to projective curves, arxiv
  
• Refined de Jonquières divisors and secant varieties on algebraic curves, arXiv
  
• Geometry of intersections of some secant varieties to algebraic curves, J.London Math.Soc., 2021(103), 288-313, journal link, arXiv
  
• Dimension theory and degenerations of de Jonquières divisors, Int.Math.Res.Not.IMRN, 2021(20), 15911-15958, journal link, arxiv
  
• Homogeneous M2 Duals, with José Figueroa-O'Farrill, JHEP 2016(1), journal link, arXiv

Recent and upcoming events

I am one of the organisers of

• The annual workshop Géométrie algébrique en liberté XXVIII, Loughborough, postponed to 5-9 July 2021
• The annual workshop Géométrie algébrique en liberté XXVII, Bucharest, 17-21 June 2019
• The fourth meeting for young women in mathematics "Cohomological methods in geometry", Freiburg, 1-3 May 2019

Teaching

Current semester:

• Classical Solutions in Gauge Theories

Previous semesters:

• Heisenberg algebras and Hilbert schemes of points on surfaces
• Differentialgeometrie I
• Algebraic Curves
• String Theory Seminar
• Funktionentheorie II - Modulformen
• Seminar on Integrable Systems
• Komplexe Geometrie
• Introduction to quantum cohomology seminar

Videos

Here are some videos of my online talks at the

• Durham Geometry and Topology Seminar
• Zoom Algebraic Geometry Seminar

Notes and slides

Here are some slides from some of my talks.

• From billiards to cohomological field theories pdf
  Oxford Junior String Seminar, June 2017
• From de Jonquières' counts to cohomological field theories pdf
  Talk at the workshop Women at the intersection of mathematics and high energy physics, MITP, March 2017
  On the same topic, a poster presented at the workshop Cycles and Moduli, ETH Zürich, March 2017
• The geometry of divisors with multiplicity on projective curves pdf
  Talk at the Third meeting of young women in mathematics, February 2017
• What is symplectic geometry? pdf
  A recording of this talk can be found here: video
  Introductory talk for the What is...? Berlin Mathematical School seminar series

Here are some typed up notes from various reading courses I attended.

• The cubic threefold and friends, pdf
  IRTG college seminar "Rationality and decomposition of the diagonal"
• Mixed Hodge modules for generic vanishing pdf
  Reading group "Mixed Hodge modules in birational geometry"
• Torelli for the cubic fourfold pdf
  IRTG College journal club