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Using only a thought experiment and Einstein's correspondence principal, a model is derived that correctly predicts the Schwarzschild time dilation expression in limiting cases. The method requires almost no prerequisite knowledge from the…

Physics Education · Physics 2007-05-23 Andrew Theyken Bench

Starting from a recent result expressing the Lerch zeta function as a fractional derivative, we consider further fractional derivatives of the Lerch zeta function with respect to different variables. We establish a partial differential…

Number Theory · Mathematics 2020-06-02 Arran Fernandez , Jean-Daniel Djida

A boundary value problem on an unbounded domain, associated to difference equations with the Euclidean mean curvature operator is considered. The existence of solutions which are positive on the whole domain and decaying at infinity is…

Classical Analysis and ODEs · Mathematics 2025-04-18 Zuzana Došlá , Serena Matucci , Pavel Řehák

We study the random attractors associated with the stochastic fractional Schr\"odinger equation on $\mathbb{R}^n$. Utilizing the stochastic Strichartz estimates for the damped fractional Schr\"odinger equation with Gaussian noise, we show…

Analysis of PDEs · Mathematics 2025-03-13 Li Lin , Yanjie Zhang , Ao Zhang

Within the theory of General Relativity, we study the solution and range of applicability of the standard geodesic deviation equation in highly symmetric spacetimes. In the Schwarzschild spacetime, the solution is used to model satellite…

General Relativity and Quantum Cosmology · Physics 2019-02-20 Dennis Philipp , Dirk Puetzfeld , Claus Laemmerzahl

We provide in this paper a first step to obtain the conformal scattering theory for the linearized gravity fields on the Schwarzschild spacetime by using the conformal geometric approach. We will show that the existing decay results for the…

General Relativity and Quantum Cosmology · Physics 2023-07-26 Pham Truong Xuan

We investigate the decay estimates of global solutions for a class of one-dimensional inhomogeneous nonlinear Schr\"odinger equations. While most existing results focus on spatial dimensions $d\geq2$, the decay properties in one dimension…

Analysis of PDEs · Mathematics 2025-11-06 Zhi-Yuan Cui , Yuan Li , Dun Zhao

Report II is concerned with the extended results of distance function wavelets (DFW). The fractional DFW transforms are first addressed relating to the fractal geometry and fractional derivative, and then, the discrete Helmholtz-Fourier…

Computational Engineering, Finance, and Science · Computer Science 2007-05-23 W. Chen

The degree by which a function can be differentiated need not be restricted to integer values. Usually most of the field equations of physics are taken to be second order, curiosity asks what happens if this is only approximately the case…

General Relativity and Quantum Cosmology · Physics 2014-06-23 Mark D. Roberts

We study families of analytic and meromorphic functions with bounded generalized Schwarzian derivative $S_k(f)$. We show that these families are quasi-normal. Further, we investigate associated families, such as those formed by derivatives…

Complex Variables · Mathematics 2025-10-28 Matthias Grätsch

This article investigates the complex symplectic geometry of the deformation space of complex projective structures on a closed oriented surface of genus at least 2. The cotangent symplectic structure given by the Schwarzian parametrization…

Differential Geometry · Mathematics 2015-06-03 Brice Loustau

We investigate solutions for a particular class of linear equations in dendriform algebras. Motivations as well as several applications are provided. The latter follow naturally from the intimate link between dendriform algebras and…

Combinatorics · Mathematics 2010-10-27 Kurusch Ebrahimi-Fard , Dominique Manchon

Identities pertaining to the de Rham codifferential $\delta$ in differential geometry are scattered in the literature. This article gathers such formulas involving usual differential operators (Lie derivative, Schouten-Nijenhuis bracket,…

Mathematical Physics · Physics 2025-07-14 E. Huguet , J. Queva , J. Renaud

The Schwarzian equations satisfied by certain Hauptmoduls (i.e., uniformizing functions for Riemann surfaces of genus zero) are derived from the Picard-Fuchs equations for families of elliptic curves and associated surfaces. The…

solv-int · Physics 2007-05-23 J. Harnad

In this work, based on the $3+1$ decomposition in [24, 33], we present a fully exterior calculus breakdown of spacetime and Einstein's equations. Links to the orthonormal frame approach [38] are drawn to help understand the variables in…

General Relativity and Quantum Cosmology · Physics 2025-10-06 Todd A. Oliynyk , Jia Jia Qian

In this paper, we introduce a novel variational framework rooted in algebraic geometry for the analysis of the Hardy $Z$-function. Our primary contribution lies in the definition and exploration of $\Delta_n(\overline{a})$, a newly devised…

Number Theory · Mathematics 2023-10-24 Yochay Jerby

In this paper, we obtained an equivalent proposition of Brennan`s conjecture. And given two lower bound estimation of the conjecture one of them connected with Schwarzian derivative. The present study also verified the correctness of the…

Complex Variables · Mathematics 2015-09-02 Junyi Hu , Shiyu Chen

We prove the Existential Closedness conjecture for the differential equation of the $j$-function and its derivatives. It states that in a differentially closed field certain equations involving the differential equation of the $j$-function…

Logic · Mathematics 2021-06-04 Vahagn Aslanyan , Sebastian Eterović , Jonathan Kirby

We establish new explicit zero-free regions for the Dedekind zeta-function. Two key elements of our proof are a non-negative, even, trigonometric polynomial and explicit upper bounds for the explicit formula of the so-called differenced…

Number Theory · Mathematics 2021-06-16 Ethan S. Lee

In this paper, we obtain some new results about weakly singular integral inequalities. These inequalities are used to discuss the global existence and uniqueness results for fractional differential equations of Riemann-Liouville type. Some…

Analysis of PDEs · Mathematics 2024-09-06 Zhu Tao