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We establish a transfer of unitarity for a Bernstein component of the category of smooth representations of a reductive p-adic group to the associated Hecke algebra, in the framework of the theory of types, whenever the Hecke algebra is an…

Representation Theory · Mathematics 2011-04-11 Dan Barbasch , Dan Ciubotaru

We prove that for every Bushnell-Kutzko type that satisfies a certain rigidity assumption, the equivalence of categories between the corresponding Bernstein component and the category of modules for the Hecke algebra of the type induces a…

Representation Theory · Mathematics 2018-08-01 Dan Ciubotaru

This paper studies unitary representations with Dirac cohomology for complex groups, in particular relations to unipotent representations

Representation Theory · Mathematics 2010-07-09 Dan Barbasch , Pavle Pandžić

I will survey some results in the theory of modular representations of a reductive $p$-adic group, in positive characteristic $\ell \neq p$ and $\ell=p$.

Number Theory · Mathematics 2007-05-23 Marie-France Vignéras

In this article, we introduce the notion of representations of polyadic groups and we investigate the connection between these representations and those of retract groups and covering groups.

Representation Theory · Mathematics 2015-01-27 Wieslaw A. Dudek , Mohammad Shahryari

Restriction of functions from a reductive p-adic group G to its compact subgroups defines an operator on the Hochschild and cyclic homology of the Hecke algebra of G. We study the commutation relations between this operator and others…

K-Theory and Homology · Mathematics 2014-04-08 Tyrone Crisp

We find a combinatorial formula for the Haar functional of the orthogonal and unitary quantum groups. As an application, we consider diagonal coefficients of the fundamental representation, and we investigate their spectral measures.

Quantum Algebra · Mathematics 2019-02-27 Teodor Banica , Benoit Collins

We give a classification of unitary representations of certain Polish, not necessarily locally compact, groups: the groups of all measurable functions with values in the circle and the groups of all continuous functions on compact, second…

Representation Theory · Mathematics 2014-09-23 Slawomir Solecki

We study the theta lifting for real unitary groups and completely determine the theta lifts of tempered representations. In particular, we show that the theta lifts of (limits of) discrete series representations can be expressed as…

Representation Theory · Mathematics 2021-07-07 Atsushi Ichino

This is a list of questions raised by our joint work arXiv:1412.0737 and its sequels.

Number Theory · Mathematics 2017-03-08 Noriyuki Abe , Guy Henniart , Florian Herzig , Marie-France Vigneras

We initiate the systematic study of modular representations of symmetric groups that arise via the braiding in (symmetric) tensor categories over fields of positive characteristic. We determine what representations appear for certain…

Representation Theory · Mathematics 2026-03-09 Kevin Coulembier

Harmonic functions of the three dimensional Lie groups defined on certain manifolds related to the Lie groups themselves and carrying all their unitary representations are explicitly constructed. The realisations of these Lie groups are…

Mathematical Physics · Physics 2017-01-30 R. Campoamor-Stursberg , M. Rausch de Traubenberg

We survey some recent advances in the homotopy theory of classifying spaces, and homotopical group theory. We focus on the classification of p-compact groups in terms of root data over the p-adic integers, and discuss some of its…

Algebraic Topology · Mathematics 2010-09-02 Jesper Grodal

We state a conjecture on the reduction modulo the defining characteristic of a unipotent representation of a finite reductive group.

Representation Theory · Mathematics 2018-11-12 G. Lusztig

Using the Kirillov orbit method, novel methods from p-adic integration and Clifford theory, we study representation zeta functions associated to compact p-adic analytic groups. In particular, we give general estimates for the abscissae of…

Group Theory · Mathematics 2010-12-01 Nir Avni , Benjamin Klopsch , Uri Onn , Christopher Voll

We show the irreducibility of some unitary representations of the group of symplectomorphisms and the group of contactomorphisms.

Representation Theory · Mathematics 2014-04-17 Łukasz Garncarek

In this paper, we completely describe the Howe correspondence for the dual pairs from the title over a nonarchimedean local field of characteristic zero. More specifically, for every irreducible admissible representation of these groups, we…

Representation Theory · Mathematics 2019-08-27 Petar Bakic , Marcela Hanzer

The main result of this article is an application of the theory of invariant convex cones of Lie algebras to the study of unitary representations of Lie supergroups. It also includes an exposition of recent results of the second author on…

Representation Theory · Mathematics 2010-12-14 Karl-Hermann Neeb , Hadi Salmasian

In this paper, we construct certain unipotent representations for the real orthogonal group and the metaplectic group in the sense of Vogan. Our construction is based on quantum induction which involves the compositions of even number of…

Representation Theory · Mathematics 2022-01-03 Hongyu He

We introduce new methods from p-adic integration into the study of representation zeta functions associated to compact p-adic analytic groups and arithmetic groups. They allow us to establish that the representation zeta functions of…

Group Theory · Mathematics 2019-12-19 Nir Avni , Benjamin Klopsch , Uri Onn , Christopher Voll