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Real analytic generalized functions are investigated as well as the analytic singular support and analytic wave front of a generalized function in $\mathcal{G}(\Omega)$ are introduced and described.

Functional Analysis · Mathematics 2016-08-14 S. Pilipović , D. Scarpalezos , V. Valmorin

We prove some extension results for holomorphic mappings with values in complex Hilbert manifolds

Complex Variables · Mathematics 2019-10-02 M. Anakkar , A. Zagorodnyuk

We study the behavior of various set-functions under holomorphic motions. We show that, under such deformations, logarithmic capacity varies continuously, while analytic capacity may not.

Complex Variables · Mathematics 2020-04-14 Thomas Ransford , Malik Younsi , Wen-hui Ai

We prove that a real-valued function (that is not assumed to be continuous) on a real analytic manifold is analytic whenever all its restrictions to analytic submanifolds homeomorphic to the 2-sphere are analytic. This is a real analog for…

Classical Analysis and ODEs · Mathematics 2018-12-04 Jacek Bochnak , János Kollár , Wojciech Kucharz

We derive analytical solutions for the uniaxial extension problem for the relaxed micromorphic continuum and other generalized continua. These solutions may help in the identification of material parameters of generalized continua which are…

Classical Physics · Physics 2021-07-21 Gianluca Rizzi , Hassam Khan , Ionel-Dumitrel Ghiba , Angela Madeo , Patrizio Neff

We prove a refined Agler decomposition for bounded analytic functions on the bidisk and show how it can be used to reprove an interesting result of Guo et al. related to extending holomorphic functions without increasing their norm. In…

Complex Variables · Mathematics 2022-03-04 Greg Knese

Under very general conditions it is shown that if $A$ is a uniform algebra generated by real-analytic functions, then either $A$ consists of all continuous functions or else there exists a disc on which every function in $A$ is holomorphic.…

Complex Variables · Mathematics 2017-10-10 Alexander J. Izzo

This note is devoted to prove that the de Gennes function has a holomorphic extension on a strip containing the real axis.

Spectral Theory · Mathematics 2016-12-14 Virginie Bonnaillie-Noël , Frédéric Hérau , Nicolas Raymond

We show that the derivative of a log-analytic function is log-analytic. We prove that log-analytic functions exhibit strong quasianalytic properties. We establish the parametric version of Tamm's theorem for log-analytic functions.

Logic · Mathematics 2021-11-05 Tobias Kaiser , Andre Opris

We show that an arc-analytic subanalytic function on a complex manifold M, which is holomorphic near one point, is a holomorphic function on M. More generally, an arc-analytic subanalytic function on a real analytic CR-manifold M, which is…

Complex Variables · Mathematics 2026-03-30 Janusz Adamus , Rasul Shafikov

We give a new proof that bounded non-commutative functions on polynomial polyhedra can be represented by a realization formula, a generalization of the transfer function realization formula for bounded analytic functions on the unit disk.

Functional Analysis · Mathematics 2019-08-15 Jim Agler , John E. McCarthy

In this paper, we are concerned with the bicomplex analog of the well-known result asserting that real-valued harmonic functions, on simply connected domains, are the real parts of holomorphic functions. We show that this assertion, word…

Complex Variables · Mathematics 2022-03-15 Aiad El Gourari , Allal Ghanmi , Ilham Rouchdi

We give a simple uniqueness criterion (and some derived criteria) for holomorphic Abel functions and show that Kneser's real analytic Abel function of the exponential is subject to this criterion.

Complex Variables · Mathematics 2010-06-22 Henryk Trappmann , Dmitrii Kouznetsov

Holomorphic functions are amazing because their values in an ever so small disk in the complex plane completely determine the function values at arbitrary points in their maximum possible domain. The process of extending such a function…

Complex Variables · Mathematics 2015-05-15 Stefan Kranich

We introduce the notion of the generalized-analytical function of the poly-number variable, which is a non-trivial generalization of the notion of analytical function of the complex variable and, therefore, may turn out to be fundamental in…

Mathematical Physics · Physics 2007-05-23 G. I. Garasko

We show that a function is real analytic at the origin iff it is arc-analytic, has a subanalytic graph, and its restriction to every monomial curve is analytic. This complements recent results of Kucharz and Kurdyka.

Classical Analysis and ODEs · Mathematics 2023-04-05 János Kollár

It is known that a real analytic CR function f on a real analytic, generic submanifold M in C^N can be holomorphically extended. A stronger result on a finite type, real analytic, generic submanifold M is found in which we assume f a…

Complex Variables · Mathematics 2014-04-21 Chun Yin Hui

We describe maximal, in a sense made precise, analytic continuations of germs at infinity of unary functions definable in the o-minimal structure R_an,exp on the Riemann surface of the logarithm. As one application, we give an upper bound…

Logic · Mathematics 2018-10-22 Tobias Kaiser , Patrick Speissegger

We prove, for a wide class of semilinear elliptic differential and pseudodifferential equations in $\R^d$, that the solutions which are sufficiently regular and have a certain decay at infinity extend to holomorphic functions in sectors of…

Analysis of PDEs · Mathematics 2015-02-19 Marco Cappiello , Fabio Nicola

In this article we give strong versions for preparation theorems for $\mathbb{R}_{an,exp}$-definable functions outgoing from methods of Lion and Rolin ($\mathbb{R}_{an,exp}$ is the o-minimal structure generated by all restricted analytic…

Logic · Mathematics 2025-06-24 Andre Opris