Prof. Dan Ciubotaru
PhD Cornell (2004)
Status
Academic Faculty
Professor of Mathematics
Diana Brown Fellow and Tutor in Pure Maths, Somerville College
Research groups
Address
Mathematical Institute
University of Oxford
Andrew Wiles Building
Radcliffe Observatory Quarter
Woodstock Road
Oxford
OX2 6GG
University of Oxford
Andrew Wiles Building
Radcliffe Observatory Quarter
Woodstock Road
Oxford
OX2 6GG
Highlighted publications
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 volume 823 191-253 (01 Jun 2025) 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) 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 2025
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-).