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We study about order of growth and hyper order of growth of non trivial solutions of second order linear differential equations, having restrictions in the coefficients. These restrictions involve notions of Yang's inequality, Borel…

复变函数 · 数学 2022-06-23 Garima Pant

In this paper we extend our findings in [3] and answer further questions regarding continuity and discontinuity of seminorms on infinite-dimensional vector spaces.

泛函分析 · 数学 2020-03-10 Jacek Chmieliński , Moshe Goldberg

We apply the methods developed in [Br1] to study holomorphic functions of slow growth on coverings of pseudoconvex domains in Stein manifolds. In particular, we extend and strengthen certain results of Gromov, Henkin and Shubin [GHS] on…

复变函数 · 数学 2007-05-23 Alexander Brudnyi

We present a detailed 1.2 mm continuum and CS spectral line study of a large sample of 69 massive star forming regions in very early stages of evolution, most of them prior to building up an ultracompact HII region. The continuum data show…

天体物理学 · 物理学 2009-11-07 H. Beuther , P. Schilke , K. M. Menten , F. Motte , T. K. Sridharan , F. Wyrowski

We establish basic results of complex function theory within certain algebras of holomorphic functions on coverings of Stein manifolds (such as algebras of Bohr's holomorphic almost periodic functions on tube domains or algebras of all…

复变函数 · 数学 2013-10-01 A. Brudnyi , D. Kinzebulatov

We expand the classical balayage of measures and subharmonic functions on a system of rays $S$ with a common origin on the complex plane $\mathbb C$. This allows for an arbitrary subharmonic function $v$ of finite order on $\mathbb C$ build…

复变函数 · 数学 2018-11-27 B. N. Khabibullin , A. B. Shmeleva , Z. F. Abdullina

In this paper we consider interpolation in model spaces, $H^2 \ominus B H^2$ with $B$ a Blaschke product. We study unions of interpolating sequences for two sequences that are far from each other in the pseudohyperbolic metric as well as…

复变函数 · 数学 2020-09-07 Pamela Gorkin , Brett D. Wick

We introduce a second-order stochastic model to explore the variability in growth of biological shapes with applications to medical imaging. Our model is a perturbation with a random force of the Hamiltonian formulation of the geodesics.…

概率论 · 数学 2010-03-23 François-Xavier Vialard

We review some regularity results for the Laplacian and $p$-Laplacian in metric measure spaces. The focus is mainly on interior H\"older, Lipschitz and second-regularity estimates and on spaces supporting a Poincar\'e inequality or having…

偏微分方程分析 · 数学 2025-02-04 Ivan Yuri Violo

We prove an integral representation result for functionals with growth conditions which give coercivity on the space $SBD^p(\Omega)$, for $\Omega\subset\mathbb{R}^2$. The space $SBD^p$ of functions whose distributional strain is the sum of…

偏微分方程分析 · 数学 2018-05-01 Sergio Conti , Matteo Focardi , Flaviana Iurlano

Dipole mixed modes observed in the oscillation pattern of red giant stars probe the radiative regions in the stellar core. Oscillation spectra of helium-core-burning stars sometimes show extra peaks that remain unexplained by the dipole…

太阳与恒星天体物理 · 物理学 2026-01-22 B. Mosser , M. Takata , C. Pinçon , M. S. Cunha , M. Vrard , K. Belkacem , S. Deheuvels , M. Matteuzzi

Over the last decades, several independent studies have shown the need for large convective boundary mixing (CBM) and convective core sizes in massive stars to reproduce a variety of their observed properties. Yet, stars more massive than…

太阳与恒星天体物理 · 物理学 2026-05-22 Sophie Rosu , Luca Sciarini , Sylvia Ekström , Patrick Eggenberger , Joris Josiek , Raphael Hirschi , Cyril Georgy

This article is devoted to studying some new numerical radius inequalities for Hilbert space operators. Our analysis enables us to improve an earlier bound of numerical radius due to Kittaneh.

泛函分析 · 数学 2020-09-22 Mahdi Ghasvareh , Mohsen Erfanian Omidvar

Nonlinear growth of the bar-mode deformation is studied for a differentially rotating star with supercritical rotational energy. In particular, the growth mechanism of some azimuthal modes with odd wave numbers is examined by comparing a…

天体物理学 · 物理学 2008-12-17 Yasufumi Kojima , Motoyuki Saijo

We study multiple sampling and interpolation problems with unbounded multiplicities in the weighted Bergman space, both in the hilbertian case p = 2 and the uniform case p = +$\infty$.

复变函数 · 数学 2022-02-16 Driss Aadi , Carlos Cruz , Andreas Hartmann , Karim Kellay

We study the growth of hyperbolic type distances in starlike domains. We derive estimates for various hyperbolic type distances and consider the asymptotic sharpness of the estimates.

度量几何 · 数学 2017-08-15 Riku Klén

Ma-Minda class (of starlike functions) consists of all normalized analytic functions $f$ on the unit disk for which the image of $zf'(z)/f(z)$ is contained in the some starlike region in the right-half plane. We obtain the best possible…

复变函数 · 数学 2019-10-14 Adiba Naz , Sushil Kumar , V. Ravichandran

Apsidal motion in massive eccentric binaries offers precious information about the internal structure of the stars. This is especially true for twin binaries consisting of two nearly identical stars. We make use of the tidally induced…

太阳与恒星天体物理 · 物理学 2020-10-28 S. Rosu , A. Noels , M. -A. Dupret , G. Rauw , M. Farnir , S. Ekström

The theory of boundary regularity for $p$-harmonic functions is extended to unbounded open sets in complete metric spaces with a doubling measure supporting a $p$-Poincar\'e inequality, $1<p<\infty$. The barrier classification of regular…

偏微分方程分析 · 数学 2020-01-07 Anders Björn , Daniel Hansevi

In this paper it is shown that higher order quasiconvex functions suitable in the variational treatment of problems involving second derivatives may be extended to the space of all matrices as classical quasiconvex functions. Precisely, it…

偏微分方程分析 · 数学 2009-11-10 Gianni Dal Maso , Irene Fonseca , Giovanni Leoni , Massimiliano Morini