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Related papers: Interpolating sequences on the bidisk

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It is known that there exists a function interpolating a given data set such that the graph of the function is the attractor of an iterated function system which is called fractal interpolation function. We generalize the notion of fractal…

Metric Geometry · Mathematics 2015-03-16 Ali Deniz , Yunus Özdemir

We characterize sampling and interpolating sets with derivatives in weighted Fock spaces on the complex plane in terms of their weighted Beurling densities.

Functional Analysis · Mathematics 2021-02-25 Luis Alberto Escudero , Antti Haimi , José Luis Romero

We analyse two special cases of $\mu$-synthesis problems which can be reduced to interpolation problems in the set of analytic functions from the disc into the symmetrised bidisc and into the tetrablock. For these inhomogeneous domains we…

Complex Variables · Mathematics 2016-12-06 D. C. Brown , Z. A. Lykova , N. J. Young

We show that the modulus of an inner function can be uniformly approximated in the unit disk by the modulus of an interpolating Blaschke product.

Classical Analysis and ODEs · Mathematics 2007-05-23 Geir Arne Hjelle , Artur Nicolau

In the present article, we further investigate the properties of squeezing function corresponding to polydisk. We work out some explicit expressions of squeezing function corresponding to polydisk.

Complex Variables · Mathematics 2021-08-24 Naveen Gupta , Akhil Kumar

We characterize interpolating sequences for multiplier algebras of spaces with the complete Pick property. Specifically, we show that a sequence is interpolating if and only if it is separated and generates a Carleson measure. This…

Functional Analysis · Mathematics 2020-09-23 Alexandru Aleman , Michael Hartz , John E. McCarthy , Stefan Richter

A natural interpolation problem in the cone of positive harmonic functions is considered and the corresponding interpolating sequences are geometrically described.

Classical Analysis and ODEs · Mathematics 2007-05-23 Daniel Blasi , Artur Nicolau

We treat interpolation for various logics.

Logic · Mathematics 2009-07-22 Dov Gabbay , Karl Schlechta

We provide a general framework to construct fractal interpolation surfaces (FISs) for a prescribed countably infinite data set on a rectangular grid. Using this as a crucial tool, we obtain a parameterized family of bivariate fractal…

Dynamical Systems · Mathematics 2020-10-13 K. K. Pandey , P. Viswanathan

The main aims of this article are to characterize a class of operators associated with the symmetrized polydisc that admit rational dilations on the minimal space and to show an interplay between rational dilation and distinguished…

Functional Analysis · Mathematics 2022-04-18 Sourav Pal

We consider non-linear generalizations of fractal interpolating functions applied to functions of one and two variables. The use of such interpolating functions in resizing images is illustrated.

Chaotic Dynamics · Physics 2007-05-23 R. Kobes , A. J. Penner

This paper is devoted to the study of eigen-sequences for some important operators acting on sequences. Using functional equations involving generating functions, we completely solve the problem of characterizing the fixed sequences for the…

Number Theory · Mathematics 2012-12-21 Marco Abrate , Stefano Barbero , Umberto Cerruti , Nadir Murru

We characterize interpolating sequences for pairs of reproducing kernels $(s, \ell)$, where $s$ is a complete Pick factor of $\ell.$ This answers a question of Aleman, Hartz, McCarthy and Richter.

Functional Analysis · Mathematics 2022-10-27 Georgios Tsikalas

This article presents a technique for analytic interpolation over the exterior of a unit disk using complex poles in the interior--as well as corresponding techniques for the exterior of a real unit disk and for the interior of a real and…

Mathematical Physics · Physics 2007-05-23 Alan Rufty

In this paper, we propose an interpolation formula for periodic functions. This formula can be regarded as an analog of the Sinc approximation, which is an interpolation formula for functions defined on the entire infinite interval.…

Numerical Analysis · Mathematics 2019-09-10 Hidenori Ogata

Two different problems are considered here. First, a characterization of sampling sequences for the class of analytic functions from the disc into itself is given. Second, a version of Schwarz-Pick Lemma for $n$ points leads to an…

Complex Variables · Mathematics 2023-08-03 Nacho Monreal Galan , Michael Papadimitrakis

This note comprises a synthesis of certain results in the theory of exact interpolation between Hilbert spaces. In particular, we examine various characterizations of interpolation spaces and their relations to a number of results in…

Functional Analysis · Mathematics 2019-07-02 Yacin Ameur

This article treats Nevanlinna-Pick interpolation in the setting of a special class of algebraic curves called distinguished varieties. An interpolation theorem, along with additional operator theoretic results, is given using a family of…

Functional Analysis · Mathematics 2013-02-06 Michael T. Jury , Greg Knese , Scott McCullough

In this paper we study two separate problems on interpolation. We first give some new equivalences of Stout's Theorem on necessary and sufficient conditions for a sequence of points to be an interpolating sequence on a finite open Riemann…

Functional Analysis · Mathematics 2016-02-08 Mrinal Raghupathi , Brett D. Wick

We define fractal interpolation on unbounded domains for a certain class of topological spaces and construct local fractal functions. In addition, we derive some properties of these local fractal functions, consider their tensor products,…

Classical Analysis and ODEs · Mathematics 2015-11-17 Peter R. Massopust