Freie Universität Berlin

Mathematisches Institut



Prof. Dr. Dr. h. c. mult., Einstein Professor

Mail Telefon: +49-30-838-75441

Fax: +49-30-838-75404

Email: esnault(at)

  • J'arrive où je suis étranger
  • Un jour tu passes la frontière
  • D'où viens-tu mais où vas-tu donc
  • Demain qu'importe et qu'importe hier
  • Aragon (from: J'arrive où je suis étranger)

  • He was my North, my South, my East, my West,
  • My working week and my Sunday rest,
  • My noon, my midnight, my talk, my song;
  • I thought that love would last for ever: I was wrong.
  • Auden (from: Stop all the clocks)

  • Es ist Unsinn   sagt die Vernunft     Es ist was es ist   sagt die Liebe
  • Es ist Unglück   sagt die Berechnung     Es ist nichts als Schmerz   sagt die Angst
  • Es ist aussichtslos   sagt die Einsicht     Es ist was es ist   sagt die Liebe
  • Es ist lächerlich   sagt der Stolz     Es ist leichtsinnig   sagt die Vorsicht
  • Es ist unmöglich   sagt die Erfahrung     Es ist was es ist   sagt die Liebe
  • Fried (from: Liebesgedichte, Angstgedichte, Zorngedichte)

  • У меня сегодня много дела:
  • Надо память до конца убить,
  • Надо, чтоб душа окаменела,
  • Надо снова научиться жить,—
  • Akhmatova (from: Requiem)

  • Secretary: Beate Pierchalla
  • Telefon: +49-30-838-75386
  • Email: bpiercha(at)

    Current Events:

    Forschungsseminar WiSe 2016: Berkovich spaces, singularity theory and birational geometry

    Guest seminar WiSe 2016

    Kolleg Mathematik und Physik

    DFG Priority Programme "Homotopy Theory and Algebraic Geometry" SPP 1786

    Past Events:

    ARITHMETIC ALGEBRAIC GEOMETRY Conference FU Berlin, June 10--14, 2013

    Conference Multi Zeta Values in Mathematics and Phyiscs (October 1-5 2013)

    Forschungsseminar WS 2012/2013: Deligne's Finiteness Theorem

    Forschungsseminar SS 2013: p-adic period map (after Beilinson)

    Seminar SS 2013, with Dirk Kreimer, HU: Feynman Graphs in Quantum Field Theory and Algebraic Geometry

    Forschungsseminar WS 2013/14: Higher dimensional class field theory and ramification (after Kerz and al.)

    Master-PhDetc..seminar WS 2013/14: Higher dimensional class field theory and ramification

    Forschungsseminar SS 14: Pro-étale Cohomology (after Bhatt-Scholze)

    GAeL Géométrie Algébrique en Liberté (June 2014)

    Clay Mathematics Institute Summer School 2014

    School in Lukecin Sept.8--12, 2014: Topics in characteristic p>0 and p-adic geometry

    Forschungsseminar WS 2014/15: "Chow groups of zero cycles over p-adic fields"

    AMS Summer Institute Algebraic Geometry 2015/ Arithmetic Geometry: July 27-31

    Forschungsseminar SS 2015: "Families of rationally simply connected varieties" after de Jong-He-Starr

    Guest seminar SS 2015

    Day of Arithmetic and Algebraic Geometry, March 12, 2015

    Santalo Lecture 2015

    Forschungsseminar WS 2015/16: Supersingular K3 surfaces are unirational

    Guest seminar WS 2015/16

    Forschungsseminar WS 2015/16: Topological Hochschild Homology and the de Rham-Witt Complex

    Rademacher Lecture Series 2015-2016

    Workshop: Generalizations of A^1-Homotopy Invariance in Algebraic Geometry and Homotopy Theory

    Forschungsseminar SoSe 2016: Motivic Galois Theory and Periods

    Guest seminar SoSe 2016

    Kolleg Mathematik und Physik

    Day of Algebraic and Arithmetic Geometry, Leibniz room of the Berlin Accademy, May 20-th 2016, Lectures by R. Pandharipande, E. Kowalski and V. Srinivas.


    Winter 2016/17:
    Course: Number Theory III (=Class Field Theory) (Hélène Esnault, ex. Lars Kindler)
    Seminar on crystalline cohomology (Tanya Kaushal Srivastava and Efstathia Katsigianni)
    Course on étale cohomology (Lei Zhang)
    Three students' seminars (Lars Kindler, Shane Kelly)

    Summer 2016:
    Course: Number Theory II (Hélène Esnault, ex. Valentina di Proietto)
    Seminar on D-modules (Elena Lavanda and Wouter Zomervrucht)
    Two students' seminars on Algebraic Groups (Lei Zhang) and Riemann Surfaces (Valentina Di Proietto)

    Winter 2015/16:
    Course: Number Theory I (=Commutative Algebra) (Hélène Esnault, ex. Valentina di Proietto)
    Course: Elliptic Curves (Kay Rülling)
    Seminar on Intersection Theory (Pedro Castillejo and Yun Hao)
    Two students' seminars (Valentina Di Proietto, Lei Zhang)

    Summer 2015:
    Course: Number Theory II (Lars Kindler)
    Advanced Course: Fundamental Groups in Algebraic Arithmetic Geometry (Hélène Esnault)
    Three students' seminars (Valentina Di Proietto, Lei Zhang)

    Winter 2014/15: Algebraic Number Theory III (Kay Rülling) and two seminars (Lars Kindler, Lei Zhang)

    Course SS14: Algebraic Number Theory II

    Course WS13: Algebra 1 (Commutative algebra)

    Course SS13: Algebraic Number Theory II

  • Lectures at the AMS Summer Research Institute Algebraic Geometry, Utah, July 27-28-30 2015, Some Fundamental Groups in Arithmetic Geometry

  • Lecture at the Bibiothèque Nationale de France, Jan. 15th, 2014: 1+1=0; Monsieur Weil, est-ce bien rationnel?
    Slides, Video

  • List of publications
    List of publications as a web page (with links for downloads).


    electronic versions of two books.

    Back to the main page of our research group