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Somerville Picture

Prof. Dan Ciubotaru

PhD Cornell (2004)
Status
Academic Faculty

Professor of Mathematics

Diana Brown Fellow and Tutor in Pure Maths, Somerville College

+44 1865 270715
Contact form
CV
ORCID iD
https://orcid.org/0000-0002-7921-9691
Research groups
  • Algebra
Address
Mathematical Institute
University of Oxford
Andrew Wiles Building
Radcliffe Observatory Quarter
Woodstock Road
Oxford
OX2 6GG
Highlighted publications
Local character expansions and asymptotic cones over finite fields
Ciubotaru, D Okada, E Proceedings of the London Mathematical Society volume 130 issue 5 (13 May 2025)
Wavefront sets of unipotent representations of reductive p-adic groups II
Ciubotaru, D Mason-Brown, L Okada, E Journal für die Reine und Angewandte Mathematik
On the generalized Ramanujan and Arthur conjectures over function fields
Ciubotaru, D Harris, M (26 Nov 2023) http://arxiv.org/abs/2311.15300v1
Types and unitary representations of reductive p-adic groups
Ciubotaru, D Inventiones Mathematicae volume 213 issue 1 237-269 (01 Feb 2018)
Dirac cohomology for graded affine Hecke algebras
Barbasch, D Ciubotaru, D Trapa, P Acta Mathematica volume 209 issue 2 197-227 (12 Dec 2012)
On characters and formal degrees of discrete series of affine Hecke algebras of classical types
Ciubotaru, D Kato (Shiota), M Kato, S Inventiones Mathematicae volume 187 issue 3 589-635 (16 Mar 2012)
Whittaker unitary dual of affine graded Hecke algebras of type E
Barbasch, D Ciubotaru, D Compositio Mathematica volume 145 issue 6 1563-1616 (03 Nov 2009)
Prizes, awards, and scholarships

MPLS Teaching Award (2017)

Research interests

Representation theory of reductive Lie groups: the unitary dual, local Langlands correspondence, affine Hecke algebras, Coxeter groups, Dirac operators in representation theory.

Recent publications
Deformations of unitary Howe dual pairs
Ciubotaru, D De Bie, H De Martino, M Oste, R Journal of Pure and Applied Algebra 107948 (Mar 2025)
A nonabelian Fourier transform for tempered unipotent representations
Aubert, A Ciubotaru, D Romano, B Compositio Mathematica volume 161 issue 1 13-73 (12 Jan 2025)
The wavefront sets of unipotent supercuspidal representations
Ciubotaru, D Mason-Brown, L Okada, E Algebra and Number Theory volume 18 issue 10 1863-1889 (07 Oct 2024)
The ($Γ$-asymptotic) wavefront sets: $GL_n$
Ciubotaru, D Kim, J (14 Aug 2024) http://arxiv.org/abs/2408.07581v1
The wavefront set: bounds for the Langlands parameter
Ciubotaru, D Kim, J (21 Mar 2024)
Some unipotent Arthur packets for reductive p-adic groups
Ciubotaru, D Mason-Brown, L Okada, E International Mathematics Research Notices volume 2024 issue 9 7502-7525 (15 Nov 2023)
Symplectic Dirac operators for Lie algebras and graded Hecke algebras
Ciubotaru, D De Martino, M Meyer, P Transformation Groups volume 28 issue 4 1447-1475 (20 Aug 2022)
Teaching

Representations of semisimple Lie algebras (C2.3), HT 2024

 

Further details

EPSRC "New Horizons" EP/V046713/1, 1/2021-12/2023 (PI)

EPSRC grant EP/N033922/1, 9/2016-8/2020 (PI)

Member of the editorial boards of Documenta Mathematica (2015-2024) and Quarterly Journal of Mathematics (2017-).

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London Mathematical Society Good Practice Scheme Athena SWAN Silver Award (ECU Gender Charter) Stonewall Silver Employer 2022

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