Quantum harmonic analysis for polyanalytic Fock spaces

R Fulsche, R Hagger - Journal of Fourier Analysis and Applications, 2024 - Springer
We develop the quantum harmonic analysis framework in the reducible setting and apply
our findings to polyanalytic Fock spaces. In particular, we explain some phenomena …

Donoho-Logan large sieve principles for modulation and polyanalytic Fock spaces

LD Abreu, M Speckbacher - Bulletin des Sciences Mathématiques, 2021 - Elsevier
We obtain estimates for the L p-norm of the short-time Fourier transform (STFT) for functions
in modulation spaces, providing information about the concentration on a given subset of R …

The Weyl–Heisenberg ensemble: hyperuniformity and higher Landau levels

LD Abreu, JM Pereira, JL Romero… - Journal of Statistical …, 2017 - iopscience.iop.org
Weyl–Heisenberg ensembles are a class of determinantal point processes associated with
the Schrödinger representation of the Heisenberg group. Hyperuniformity characterizes a …

[HTML][HTML] A Wiener Tauberian theorem for operators and functions

F Luef, E Skrettingland - Journal of Functional Analysis, 2021 - Elsevier
We prove variants of Wiener's Tauberian theorem in the framework of quantum harmonic
analysis, ie for convolutions between an absolutely integrable function and a trace class …

Partial isometries, duality, and determinantal point processes

M Katori, T Shirai - Random Matrices: Theory and Applications, 2022 - World Scientific
A determinantal point process (DPP) is an ensemble of random nonnegative-integer-valued
Radon measures Ξ on a space S with measure λ, whose correlation functions are all given …

Gabor frames for quasi-periodic functions and polyanalytic spaces on the flat cylinder

LD Abreu, F Luef, M Ziyat - arXiv preprint arXiv:2412.20567, 2024 - arxiv.org
We develop an alternative approach to the study of Fourier series, based on the Short-Time-
Fourier Transform (STFT) acting on $ L_ {\nu}^{2}(0, 1) $, the space of measurable functions …

Local number variances and hyperuniformity of the Heisenberg family of determinantal point processes

T Matsui, M Katori, T Shirai - arXiv preprint arXiv:2012.10585, 2020 - arxiv.org
The bulk scaling limit of eigenvalue distribution on the complex plane ${\mathbb {C}} $ of the
complex Ginibre random matrices provides a determinantal point process (DPP). This point …

Entanglement entropy and hyperuniformity of Ginibre and Weyl–Heisenberg ensembles

LD Abreu - Letters in Mathematical Physics, 2023 - Springer
We show that, for a class of planar determinantal point processes (DPP) X, the growth of the
entanglement entropy S (X (Ω)) of X on a compact region Ω⊂ R 2 d, is related to the …

Local maxima of white noise spectrograms and Gaussian Entire Functions

LD Abreu - Journal of Fourier Analysis and Applications, 2022 - Springer
We confirm Flandrin's prediction for the expected average of local maxima of spectrograms
of complex white noise with Gaussian windows (Gaussian spectrograms or, equivalently …

Two-dimensional elliptic determinantal point processes and related systems

M Katori - Communications in Mathematical Physics, 2019 - Springer
We introduce new families of determinantal point processes (DPPs) on a complex plane CC,
which are classified into seven types following the irreducible reduced affine root systems …