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The geometric descriptions of the (essential) spectra of Toeplitz operators with piecewise continuous symbols are among the most beautiful results about Toeplitz operators on Hardy spaces $H^p$ with $1<p<\infty$. In the Hardy space $H^1$,…

Functional Analysis · Mathematics 2019-01-09 Santeri Miihkinen , Jani A. Virtanen

In this note we quantize the free $ * $-algebra generated by finitely many variables, which is a new example of the theory of Toeplitz quantization of $ * $-algebras as developed previously by the author. This is achieved by defining…

Mathematical Physics · Physics 2019-05-06 Stephen Bruce Sontz

In a previous paper (Radial operators on polyanalytic weighted Bergman spaces, Bol. Soc. Mat. Mex. 27, 43), using disk polynomials as an orthonormal basis in the $n$-analytic weighted Bergman space, we showed that for every bounded radial…

Operator Algebras · Mathematics 2025-01-22 Roberto Moisés Barrera-Castelán , Egor A. Maximenko , Gerardo Ramos-Vazquez

Invertibility of Toeplitz operators on the Bergman space and the related Douglas problem are long standing open problems. In this paper we study the invertibility problem under the novel geometric condition on the image of the symbols,…

Functional Analysis · Mathematics 2025-05-22 Zeljko Cuckovic , Jari Taskinen

This paper studies the boundary behavior of the Berezin transform on the C*-algebra generated by the analytic Toeplitz operators on the Bergman space.

Functional Analysis · Mathematics 2007-05-23 Sheldon Axler , Dechao Zheng

We consider the Toeplitz operators on the weighted Bergman spaces over the unit ball $\mathbb{B}^n$ and their analytic continuation. We proved the commutativity of the $C^*-$algebras generated by the analytic continuation of Toeplitz…

Functional Analysis · Mathematics 2023-09-06 Khalid Bdarneh , Gestur Ólafsson

We characterise the boundedness of a Toeplitz operator on the Bergman space with an L^1 symbol.We also prove that the compactness of a Toeplitz operator on the Bergman space with an L^1 symbol is completely determined by the boundary…

Complex Variables · Mathematics 2012-11-14 Dieudonne Agbor

We extend known results about commutative $C^*$-algebras generated Toeplitz operators over the unit ball to the supermanifold setup. This is obtained by constructing commutative $C^*$-algebras of super Toeplitz operators over the super ball…

Operator Algebras · Mathematics 2015-08-21 R. Quiroga-Barranco , A. Sánchez-Nungaray

Let $D$ be a bounded logarithmically convex complete Reinhardt domain in $\mathbb{C}^n$ centered at the origin. Generalizing a result for the one-dimensional case of the unit disk, we prove that the $C^*$-algebra generated by Toeplitz…

Operator Algebras · Mathematics 2012-01-11 R. Quiroga-Barranco , N. Vasilevski

In this paper, we study Toeplitz algebras generated by certain class of Toeplitz operators on the $p$-Fock space and the $p$-Bergman space with $1<p<\infty$. Let BUC($\mathbb C^n$) and BUC($\mathbb B_n$) denote the collections of bounded…

Functional Analysis · Mathematics 2023-03-01 Shengkun Wu , Xianfeng Zhao

Let $\Omega$ be either the unit polydisc $\mathbb D^d$ or the unit ball $\mathbb B_d$ in $\mathbb C^d$ and $G$ be a finite pseudoreflection group which acts on $\Omega.$ Associated to each one-dimensional representation $\varrho$ of $G,$ we…

Complex Variables · Mathematics 2022-05-03 Gargi Ghosh

The Fock space $\mathcal{F}(\mathbb{C}^n)$ is the space of holomorphic functions on $\mathbb{C}^n$ that are square-integrable with respect to the Gaussian measure on $\mathbb{C}^n$. This space plays an important role in several subfields of…

Functional Analysis · Mathematics 2021-11-16 Vishwa Dewage , Gestur Olafsson

This paper introduces the classically successful theory of Toeplitz operators on the Hardy space over the unit disk to a new domain in $\mathbb C^d$ -- the symmetrized polydisk.

Functional Analysis · Mathematics 2021-03-31 Bata Krishna Das , Haripada Sau

We study self-similar groupoid actions on arbitrary directed graphs together with $\mathbb{T}$-valued twists that exhaust the second cohomology group of the associated Zappa-Sz\'ep product category. We define and analyse the associated…

Operator Algebras · Mathematics 2025-11-21 B. K. Kwaśniewski , A. Mundey

Let $\varphi$ be a linear-fractional, non-automorphism self-map of $\mathbb{D}$ that fixes $\zeta \in \mathbb{T}$ and satisfies $\varphi^{\prime}(\zeta) \neq 1$ and consider the composition operator $C_{\varphi}$ acting on the Hardy space…

Functional Analysis · Mathematics 2012-05-28 Katie S. Quertermous

We initiate a study of asymptotic Toeplitz operators on the Hardy space $H^2(\mathbb{D}^n)$ (over the unit polydisc $\mathbb{D}^n$ in $\mathbb{C}^n$). We also study the Toeplitz operators in the polydisc setting. Our main results on…

Functional Analysis · Mathematics 2017-09-13 Amit Maji , Jaydeb Sarkar , Srijan Sarkar

Following previous works for the unit ball, we define quasi-radial pseudo-homogeneous symbols on the projective space and obtain the corresponding commutativity results for Toeplitz operators. A geometric interpretation of these symbols in…

Functional Analysis · Mathematics 2016-08-31 Miguel Antonio Morales-Ramos , Raúl Quiroga-Barranco , Armando Sánchez-Nungaray

Using the model theory for Toeplitz operators with smooth symbols developed by the fourth author in the 80's, we study whether such operators $T_{F}$ can be embedded into a $C_{0}$-semigroup of operators on the Hardy space $H^p$ of the open…

Functional Analysis · Mathematics 2026-01-08 Emmanuel Fricain , Sophie Grivaux , Maëva Ostermann , Dmitry Yakubovich

For $1 < p < \infty$ let $\mathcal{T}_p ^\alpha$ be the norm closure of the algebra generated by Toeplitz operators with bounded symbols acting on the standard weighted Fock space $F_\alpha ^p$. In this paper, we will show that an operator…

Functional Analysis · Mathematics 2012-05-18 Wolfram Bauer , Joshua Isralowitz

We develop Berezin-Toeplitz quantization in a non-compact complex geometric setting. Let $(X,\Theta)$ be a Hermitian manifold, $(L,h^L)$ a positive holomorphic line bundle, and $(E,h^E)$ a holomorphic Hermitian vector bundle. Assuming that…

Differential Geometry · Mathematics 2026-05-20 Louis Ioos , Wen Lu , Xiaonan Ma , George Marinescu