HDR OX tableau

I am a professor of algebraic geometry at the University of Angers (LAREMA UMR n° 6093). My research focuses on mirror symmetry, Gromov–Witten theory and derived algebraic geometry.

News research 2026/2027

  • PI for the IRP project (INSMI) derived enumerative geometry (2026-2028) with Tristan Bozec, Alberto Cobos-Rabano, David Kern, Cristina Manolache, Renata Picciotto and Massimo Pippi and Robert Rogers.

  • Irreducible components of moduli spaces of maps to smooth projective toric varieties in genus 0 , with Alberto Cobos Rabano p.34, 2025, under revision to Forum math Sigma (pdf)

  • Desingularizations of sheaves and reduced invariants, with Alberto Cobos Rabano, Cristina Manolache, Renata Picciotto, p 81, accepted to Geometry & Topology april 2026 arxiv (pdf)

  • 28th September to 2nd October attend to the conference CATS 8 in Oléron.

  • 2nd novembre au 2nd décembre: accueil de Robert Rogerts étudiants en thèse à Sheffield.

  • 5th to 9th July 2027 Speaker at conference "Modern Perspectives on Deformation Theory and Moduli Spaces" at Cetraro.

Activités pédagogiques, alumni et relations entreprises en 2026/2027

Past Research Projects

Double licence math-info depuis 2022

With Laurent Garcia, we are coordinating the bi-licence math-info since 2022. Here is the web page of the DLMI

PhD Students

  • David Kern (2018-2021) defended is PhD in september 2021 + Title Théorie de quasi-applications catégorifiée des champs de Deligne–Mumford dérivés pdf. In 2025, he is in Stockholm

  • Alexis Roquefeuil (2016-2019) defended is PhD in september 2019
    Title: Confluence of quantum K-theory to quantum cohomology for projective spaces pdf. In 2025, he is working for ASML in Nederlands.

Post-doc Students

Mathematical life

  • 2000-2005 PhD in Strasbourg under the supervision of Claude Sabbah

  • 2005-2007 Post-doc at SISSA with Barbara Fantechi

  • 2007-2016 Maître de conférence at Montpellier, IMAG

  • 2016-…​ Professor at Angers, LAREMA

Administrative data

Address :
Département de mathématiques
Bâtiment I
Faculté des Sciences
2 Boulevard Lavoisier
F-49045 Angers cedex 01
France

Phone : [33](0)2 41 73 53 88
Mail : etienne.mann [at] univ-angers.fr
Office : I 116