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Adopting the approach of [7] we study rational function carrying invariant line fields on the Julia set. In particular, we show that under certain weak conditions all possible measurable invariant line fields of a rational function on its…

Dynamical Systems · Mathematics 2024-08-28 Genadi Levin

In studying the complex H\'enon maps, Mummert (in "Holomorphic shadowing for H\'enon maps" Nonlinearity 21 pp. 2887-2898, 2008) defined an operator the fixed points of which give rise to bounded orbits. This enabled him to obtain an…

Dynamical Systems · Mathematics 2022-03-08 Yi-Chiuan Chen

Field transformations for the quantum effective action lead to different pictures of a given physical situation, as describing a given evolution of the universe by different geometries. Field transformations for functional flow equations…

High Energy Physics - Theory · Physics 2024-10-22 C. Wetterich

We work with semi-algebraic functions on arbitrary real closed fields. We generalize the notion of critical values and prove a Sard type theorem in our framework.

Algebraic Geometry · Mathematics 2015-03-17 Anna Valette , Guillaume Valette

A consistent, local coordinate formulation of covariant Hamiltonian field theory is presented. Whereas the covariant canonical field equations are equivalent to the Euler-Lagrange field equations, the covariant canonical transformation…

Mathematical Physics · Physics 2020-12-16 Jürgen Struckmeier , Andreas Redelbach

This article establishes a real-variable argument for Zygmund's theorem on almost everywhere convergence of strong arithmetic means of partial sums of Fourier series on $\mathbb{T}$, up to passing to a subsequence. Our approach extends to,…

Classical Analysis and ODEs · Mathematics 2013-04-15 Bobby Wilson

Building upon ideas of Hironaka, Bierstone-Milman, Malgrange and others we generalize the inverse and implicit function theorem (in differential, analytic and algebraic setting) to sets of functions of larger multiplicities (or ideals).…

Algebraic Geometry · Mathematics 2016-02-11 Jaroslaw Wlodarczyk

We advance a general theory of coherent preference that surrenders restrictions embodied in orthodox doctrine. This theory enjoys the property that any preference system admits extension to a complete system of preferences, provided it…

Probability · Mathematics 2025-08-04 Arthur Paul Pedersen , Samuel Allen Alexander

Weil has generalized the Riemann-von Mangoldt explicit formula linking the prime numbers with the zeros of the zeta function to the set-up of a general algebraic number field K and Dirichlet-Hecke L-function, revealing in the process the…

Number Theory · Mathematics 2007-05-23 Jean-Francois Burnol

We prove several theorems concerning the exceptional sets of Hilbert transform on the real line. In particular, it is proved that any null set is exceptional set for the Hibert transform of an indicator function. The paper also provides a…

Classical Analysis and ODEs · Mathematics 2021-01-26 Grigori Karagulyan

Textbooks frequently use the Helmholtz theorem to derive expressions for the electrostatic and magnetostatic fields but they do not usually apply this theorem to derive expressions for the time-dependent electric and magnetic fields, even…

Classical Physics · Physics 2016-09-28 Ricardo Heras

In this paper we introduce elementary and completely explicit formulas for the derivative of any order of any function of the type 1/p, where p is a polynomial with known zeros.

Classical Analysis and ODEs · Mathematics 2020-02-04 Shahar Nevo , Irina Raichik

We develop multisummability, in the positive real direction, for generalized power series with natural support, and we prove o-minimality of the expansion of the real field by all multisums of these series. This resulting structure expands…

Classical Analysis and ODEs · Mathematics 2023-01-23 Jean-Philippe Rolin , Tamara Servi , Patrick Speissegger

The connection between the Hamilton and the standard Lagrange formalism is established for a generic Quantum Field Theory with vanishing vacuum expectation values of the fundamental fields. The Effective Actions in both formalisms are the…

High Energy Physics - Theory · Physics 2014-11-18 Selym Villalba-Chavez , Reinhard Alkofer , Kai Schwenzer

We classify all cubic function fields over any finite field, particularly developing a complete Galois theory which includes those cases when the constant field is missing certain roots of unity. In doing so, we find criteria which allow…

Number Theory · Mathematics 2017-05-02 Sophie Marques , Kenneth Ward

This paper derives a way to express differentiable complex-valued functions as the sum of powers of $(1-e^{\lambda x})$, where $\lambda\in\mathbb{R}$, with an explicit formula for the remainder. This formulation is then used to associate an…

Classical Analysis and ODEs · Mathematics 2024-08-26 André Kowacs

Under general conditions, the equation $g(x,y) = 0$ implicitly defines $y$ locally as a function of $x$. In this article, we express divided differences of $y$ in terms of bivariate divided differences of $g$, generalizing a recent result…

Numerical Analysis · Mathematics 2012-02-27 Georg Muntingh , Michael S. Floater

Formalism of extended Lagrangian represent a systematic procedure to look for the local symmetries of a given Lagrangian action. In this work, the formalism is discussed and applied to a field theory. We describe it in detail for a field…

High Energy Physics - Theory · Physics 2011-06-21 A. A. Deriglazov , B. F. Rizzuti

In this work, we introduce the notion of Gevrey asymptotic expansion and we show how the classical concept of a convergent power series can be generalized to include the case in which the radius of convergence is zero. This technique can be…

Complex Variables · Mathematics 2014-04-10 Max Reinhold Jahnke

This is a lecture on the theory of formal power series developed entirely without any analytic machinery. Combining ideas from various authors we are able to prove Newton's binomial theorem, Jacobi's triple product, the Rogers--Ramanujan…

History and Overview · Mathematics 2026-04-28 Benjamin Sambale