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We propose the application of graphical convolution to the analysis of the resonance phenomenon. This time-domain approach encompasses both the finally attained periodic oscillations and the initial transient period. It also provides…

Mathematical Physics · Physics 2010-03-31 Emanuel Gluskin , Doron Shmilovitz , Yoash Levron

This note is concerned in so called harmonic complex structures introduced by the author previously. I will recall some previous results and emphasize the motivation: Provide an attempt to a fundamental problem in geometry--determining the…

Differential Geometry · Mathematics 2016-10-27 Jianming Wan

This is an expository article which describes one approach to the construction and classification of harmonic tori "of finite type", namely, via their ring of polynomial Killing fields. To keep the discussion focussed, the first section is…

Differential Geometry · Mathematics 2014-09-16 I McIntosh

This review is intended for readers who want to have a quick understanding on the theoretical underpinnings of coherent states and squeezed states which are conventionally generated from the prototype harmonic oscillator but not always…

Quantum Physics · Physics 2020-07-15 Bijan Bagchi , Rupamanjari Ghosh , Avinash Khare

We make some simple observations on basic issues pertaining to thermostatistical formalisms.

Statistical Mechanics · Physics 2007-05-23 G. A. Raggio

These notes are an introduction to some basic aspects of the Castelnuovo-Mumford regularity and related topics such as weak regularity, a*-invariant and partial regularities.

Commutative Algebra · Mathematics 2019-07-29 Ngo Viet Trung

In the present paper, we discuss several basic properties of a class of quasiconformal close-to-convex harmonic mappings with starlike analytic part, such results as coefficient inequalities, an integral representation, a growth theorem, an…

Complex Variables · Mathematics 2021-10-25 Zhi-Gang Wang , Xin-Zhong Huang , Zhi-Hong Liu , Rahim Kargar

These lecture notes provide a self-contained introduction to Euler integrals, which are frequently encountered in applications. In particle physics, they arise as Feynman integrals or string amplitudes. Our four selected topics demonstrate…

Mathematical Physics · Physics 2023-11-01 Saiei-Jaeyeong Matsubara-Heo , Sebastian Mizera , Simon Telen

Symmetries and reductions of some algebraic equations are considered. Transformations that preserve the form of several algebraic equations, as well as transformations that reduce the degree of these equations, are described. Illustrative…

Numerical Analysis · Mathematics 2024-07-26 Inna K. Shingareva , Andrei D. Polyanin

This is a discussion of miscellaneous summation, integration and transformation formulas obtained using Fourier analysis. The topics covered are: Series of the form $\sum_{n\in\mathbb{Z}} c_ne^{\pi i \gamma n^2}$; Fusion of integrals, and…

Classical Analysis and ODEs · Mathematics 2025-02-12 Martin Nicholson

We address some conjectures and open problems in "analysis of symmetries" which include the study of non-commutative harmonic analysis and discontinuous groups for reductive homogeneous spaces beyond the classical framework: (1) discrete…

Representation Theory · Mathematics 2024-01-09 Toshiyuki Kobayashi

This tutorial is designed to clarify a few misconceptions in the field of ultrafast optics. (1) Analytic signal that underlies the complex-conjugate decomposition of the field is discussed, as well as the misunderstanding between…

Optics · Physics 2026-02-18 Yi-Hao Chen

A model of a q-harmonic oscillator based on q-Charlier polynomials of Al-Salam and Carlitz is discussed. Simple explicit realization of q-creation and q-annihilation operators, q-coherent states and an analog of the Fourier transformation…

Classical Analysis and ODEs · Mathematics 2009-10-22 Richard A. Askey , Serge\uı K. Suslov

This is an introduction to the microscopic theories of the FQHE. After a brief description of experiments, trial wavefunctions and the physics they contain are discussed. This is followed by a description of the hamiltonian approach,…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 R. Shankar

The basic formalism of a novel scale invarinat nonlinear analysis is presented. A few analytic number theoretic results are derived independent of standard approaches.

Classical Analysis and ODEs · Mathematics 2011-11-01 Dhurjati Prasad Datta

In this paper, we are devoted to define p symphonic morphism and characterize it partially as in the case of harmonic morphism.

Differential Geometry · Mathematics 2025-12-16 Xiangzhi Cao

The finite and infinite harmonic sums form the general basis for the Mellin transforms of all individual functions $f_i(x)$ describing inclusive quantities such as coefficient and splitting functions which emerge in massless field theories.…

High Energy Physics - Phenomenology · Physics 2009-10-31 Johannes Blümlein

Harmonic oscillator, in 2-dimensional noncommutative phase space with non-vanishing momentum-momentum commutators, is studied using an algebraic approach. The corresponding eigenvalue problem is solved and discussed.

Mathematical Physics · Physics 2011-08-09 Mahouton Norbert Hounkonnou , Dine Ousmane Samary

Superoscillations have roots in various scientific disciplines, including optics, signal processing, radar theory, and quantum mechanics. This intriguing mathematical phenomenon permits specific functions to oscillate at a rate surpassing…

Complex Variables · Mathematics 2024-03-12 F. Colombo , I. Sabadini , D. C. Struppa , A. Yger

The importance of fractional time-derivative to take care of memory effects has been brought out by considering the example of a simple oscillator.

Classical Physics · Physics 2021-11-23 Vishwamittar , Yashika Taneja , Nipun Ahuja