Najib Idrissi’s math page

Intro

I am a maître de conférences at the mathematics department of Université Paris Cité. I am a member Institut de Mathématiques de Jussieu–Paris Rive Gauche (IMJ-PRG) and deputy head of the team-project “Algebraic Geometry & Topology” (TGA).

I am the scientific coordinator of the ANR Young Researcher project “Structure and Homotopy of Configuration Spaces” (SHoCoS).

You can find more information in my CV.

My main mathematical interests are in the fields of operads, as well as in their applications to algebraic topology and homological algebra. I am especially interested in the study of configuration spaces of manifolds, their links to graph complexes, and the invariants they define. These days, I am also interested in the representation stability phenomenon.

My full last name is “Idrissi-Kaïtouni” and you may find this spelling in some places, e.g., my email address.

Contact

Research

See also: arXiv, HAL, MathSciNet, zbMATH, ORCID.

  1. Plethysm for characters of relative operads and PROPs

    Najib Idrissi, Erik Lindell.
    Preprint v1, 32 pages
    Online on .
    Full textarXiv:2505.05910Source

  2. A model for framed configuration spaces of points

    Ricardo Campos, Julien Ducoulombier, Najib Idrissi, Thomas Willwacher.
    Preprint v2, 47 p.
    Online on .
    Updated on .
    Full textarXiv:1807.08319hal-03835341

  3. Homotopy Prefactorization Algebras

    Najib Idrissi, Eugene Rabinovich.
    Res. Math. Sci. 11.45 (2024)
    Online on .
    Updated on .
    Accepted on .
    Full textDOI:10.1007/s40687-024-00456-9arXiv:2304.13011hal-04082483MR4763063Zbl 07875603

  4. Non-formality of Voronov's Swiss-Cheese operads

    Najib Idrissi, Renato Vasconcellos Vieira.
    In: Q. J. Math. 75.1 (2024), pp. 63-95
    Online on .
    Updated on .
    Accepted on .
    Full textDOI:10.1093/qmath/haad041arXiv:2303.16979hal-04053257MR4732946Zbl 07936839Source

  5. Configuration Spaces of Manifolds with Boundary

    Ricardo Campos, Najib Idrissi, Pascal Lambrechts, Thomas Willwacher.
    Astérisque 449 (Soc. Math. Fr.), ISBN: 978-2-85629-990-6
    Online on .
    Updated on .
    Accepted on .
    Full textDOI:10.24033/ast.1222arXiv:1802.00716hal-01721634MR4764220Zbl 07882597

  6. Curved Koszul duality of algebras over unital versions of binary operads

    Najib Idrissi.
    J. Pure Appl. Algebra 227.3 (2023)
    Online on .
    Updated on .
    Accepted on .
    Full textDOI:10.1016/j.jpaa.2022.107208arXiv:1805.01853hal-01786218MR4477956Zbl 07595193

  7. Real Homotopy of Configuration Spaces: Peccot Lecture, Collège de France, March & May 2020

    Najib Idrissi.
    Lecture Notes in Mathematics 2303. Cham: Springer, 2022. 210 pp. ISBN: 978-3-031-04427-4.
    Online on .
    Updated on .
    Accepted on .
    DOI:10.1007/978-3-031-04428-1hal-03821309MR4461096Zbl 07529469

  8. Boardman–Vogt resolutions and bar/cobar constructions of (co)operadic (co)bimodules

    Ricardo Campos, Julien Ducoulombier, Najib Idrissi.
    In: High. Struct. 5.1, pp. 293–366 (2021), 74 pages.
    Online on .
    Updated on .
    Accepted on .
    Full textDOI:10.21136/HS.2021.09arXiv:1911.09474hal-01786218MR4367224Zbl 7482172

  9. Formality of a higher-codimensional Swiss-Cheese operad

    Najib Idrissi.
    In: Algebr. Geom. Topol. 22.1 (2022), pp. 55–111
    Online on .
    Updated on .
    Accepted on .
    Full textDOI:10.2140/agt.2022.22.55arXiv:1809.07667hal-01878406MR4413816Zbl 07518301

  10. Configuration Spaces of Surfaces

    Ricardo Campos, Najib Idrissi, Thomas Willwacher.
    Preprint v2, 50 pages.
    Online on .
    Updated on .
    Full textarXiv:1911.12281hal-02423726

  11. The Lambrechts–Stanley Model of Configuration Spaces

    Najib Idrissi.
    In: Invent. Math. (2019) 216.1, pp. 1–68.
    Online on .
    Updated on .
    Accepted on .
    Full textDOI:10.1007/s00222-018-0842-9arXiv:1608.08054hal-01438861MR3935037Zbl 07051043

  12. Swiss-Cheese Operad and Drinfeld Center

    Najib Idrissi.
    In: Israel J. Math. (2017) 221.2, pp. 941–972.
    Online on .
    Updated on .
    Accepted on .
    Full textDOI:10.1007/s11856-017-1579-7arXiv:1507.06844hal-01438863MR3704940Zbl 06808424

  13. Opérades et Structures Commutatives à Homotopie Près

    Najib Idrissi.
    In: Grad. J. Math. (2016) 1.1, pp. 9–17.
    Online on .
    Full texthal-03997161MR3848667Zbl 1497.18028Journal

Teaching for 2024−2025

  1. Algebraic Topology (2024−2025)

    School of Mathematical Sciences, University of Chinese Academy of Sciences. Summer school. Lectures: 24h.Notes

  2. Algèbre et Analyse Fondamentales II (2024−2025)

    Université Paris Cité. L2 MIASHS (S2). Exercise sessions: 54h.

  3. Analyse élémentaire I (2024−2025)

    Université Paris Cité. L1 Informatique (S1). Exercise sessions: 22.5h. Lectures: 22.5h.

  4. Algèbre effective (2024−2025)

    Université Paris Cité. M1 Mathématiques-Informatique Cryptographie (S1). Lectures: 24h.NotesTD1TD2TD3TD4TD5CC1 corrigéCC2 corrigéExam corrigé

Recent talks

  1. Soutenance Habilitation à Diriger des Recherches (HDR) @ Université Paris Cité

    On .
    Title: Structure des espaces de configuration.Full text

  2. Seminar @ University of Copenhagen

    On .
    Title: (Non-)formality of Swiss-Cheese operads.

  3. Séminaire de topologie @ Université de Lille

    On .
    Title: (Non-)formalité des opérades Swiss-Cheese.Event page

  4. Topology Intercity Seminar (TopICS) @ Utrecht Universiteit

    On .
    Title: (Non-)formality of Swiss-Cheese operads.Event pageNotes

  5. Topology seminar @ Università degli studi di Roma "Tor Vergata"

    On .
    Title: (Non-)formality of Swiss-Cheese operads.Event pageNotes

Recent blog posts

  1. arXiv2BibLaTeX: Create a BibLaTeX entry from arXiv

    Published .
    Updated .

  2. Fun with DALL-E 2

    Published .

  3. ANR Young researcher project “Structure and Homotopy of Configuration Spaces” (SHoCoS) selected!

    Published .

  4. “Real Homotopy of Configuration Spaces” is out

    Published .

  5. LaTeX shenanigans

    Published .
    Source