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Ultrafunctions are a particular class of functions defined on a Non Archimedean field E. They have been introduced and studied in some previous works. In this paper we develop the notion of fine ultrafunctions which improves the older…

Analysis of PDEs · Mathematics 2022-03-14 Vieri Benci

Canonical transformation in a three-dimensional phase space endowed with Nambu bracket is discussed in a general framework. Definition of the canonical transformations is constructed as based on canonoid transformations. It is shown that…

Mathematical Physics · Physics 2015-05-13 T. Dereli , A. Tegmen , T. Hakioglu

Notions of a "holomorphic" function theory for functions of a split-quaternionic variable have been of recent interest. We describe two found in the literature and show that one notion encompasses a small class of functions, while the other…

Complex Variables · Mathematics 2015-06-25 John A. Emanuello , Craig A. Nolder

Functional equations satisfied by additive functions have a special interest not only in the theory of functional equations, but also in the theory of (commutative) algebra because the fundamental notions such as derivations and…

Classical Analysis and ODEs · Mathematics 2018-02-22 Eszter Gselmann , Gergely Kiss , Csaba Vincze

This paper provides an alternative description for the fixed points of the fractal operator associated with a mixed possibly infinite iterated function system via a canonical projection type function. Some visual aspects of our results are…

Dynamical Systems · Mathematics 2025-05-19 Bogdan-Cristian Anghelina , Radu Miculescu , Alexandru Mihail

Generalised definitions of exponential, trigonometric sine and cosine and hyperbolic sine and cosine functions are given. In the lowest order, these functions correspond to ordinary exponential, trigonometric sine etc. Some of the…

Mathematical Physics · Physics 2007-05-23 Debasis Biswas , S. Biswas , Asoke P. Chattopadhyay

A practical version of the polynomial canonical formalism is developed for normal mesoscopic systems consisting of N independent electrons. Drastic simplification of calculations is attained by means of proper ordering excited states of the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 N. K. Kuzmenko , V. M. Mikhajlov

The so-called polynomial equations play an important role both in algebra and in the theory of functional equations. If the unknown functions in the equation are additive, relatively many results are known. However, even in this case, there…

Commutative Algebra · Mathematics 2024-03-04 Eszter Gselmann , Mehak Iqbal

This is the second in a series of papers extending Martin-L\"{o}f's meaning explanation of dependent type theory to account for higher-dimensional types. We build on the cubical realizability framework for simple types developed in Part I,…

Logic in Computer Science · Computer Science 2017-04-28 Carlo Angiuli , Robert Harper

We develop the diffeomorphism invariant Colombeau-type algebra of nonlinear generalized functions in a modern and compact way. Using a unifying formalism for the local setting and on manifolds, the construction becomes simpler and more…

Functional Analysis · Mathematics 2013-03-14 Eduard Nigsch

Denote by {$\times$} the fractional part. We establish several new metrical results on the distribution properties of the sequence ({x n }) n$\ge$1. Many of them are presented in a more general framework, in which the sequence of functions…

Number Theory · Mathematics 2017-10-11 Yann Bugeaud , Lingmin Liao , Michal Rams

A unified explicit form for difference formulas to approximate the fractional and classical derivatives is presented. The formula gives finite difference approximations for any classical derivatives with a desired order of accuracy at nodal…

Numerical Analysis · Mathematics 2021-05-28 W. A. Gunarathna , H. M. Nasir , W. B. Daundasekera

An investigation of classical fields with fractional derivatives is presented using the fractional Hamiltonian formulation. The fractional Hamilton's equations are obtained for two classical field examples. The formulation presented and the…

General Physics · Physics 2011-07-11 A. A. Diab , R. S. Hijjawi , J. H. Asad , J. M. Khalifeh

A generalized canonical form of multi-time dynamical theories is proposed. This form is a starting point for a modified canonical quantization procedure of theories based on a quantum version of the action principle. As an example, the…

Quantum Physics · Physics 2009-10-13 Natalia Gorobey , Alexander Lukyanenko , Inna Lukyanenko

The so called quantized algebras of functions on affine Hecke algebras of type A and the corresponding q-Schur algebras are defined and their irreducible unitarizable representations are classified.

Quantum Algebra · Mathematics 2007-05-23 Do Ngoc Diep

We consider classes of non-manipulable social choice functions with range of cardinality at most two within a set of at least two alternatives. We provide the functional form for each of the classes we consider. This functional form is a…

Theoretical Economics · Economics 2024-02-28 Achille Basile , K. P. S. Bhaskara Rao , Surekha Rao

This paper introduces a new generalized superfactorial function (referable to as $n^{th}$- degree superfactorial: $sf^{(n)}(x)$) and a generalized hyperfactorial function (referable to as $n^{th}$- degree hyperfactorial: $H^{(n)}(x)$), and…

Number Theory · Mathematics 2020-12-03 Vignesh Raman

In this paper, we introduce new classes of functions that extend the known classes of functions of complex variable, such as entire functions, meromorphic functions, rational functions and polynomial functions and take values in the set of…

Classical Analysis and ODEs · Mathematics 2025-08-14 Vyacheslav M. Abramov

In this article, we present a formalization of spherically complete spaces, which is a fundamental notion in non-archimedean functional analysis. This work includes the equivalent definitions of spherically complete spaces, their basic…

Number Theory · Mathematics 2026-02-17 Yijun Yuan

This is a conspectus of definite integrals, products and series. These formulae involve special functions in the integrand and summand functions and closed form solutions. Some of the special cases are stated in terms of fundamental…

General Mathematics · Mathematics 2024-03-01 Robert Reynolds
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