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The metrical theory of the product of consecutive partial quotients is associated with the uniform Diophantine approximation, specifically to the improvements to Dirichlet's theorem. Achieving some variant forms of metrical theory in…

数论 · 数学 2023-09-19 Bo Tan , Qing-Long Zhou

We examine the polynomial analogues of McMullen's and Zaremba's conjectures on continued fractions with bounded partial quotients. It has already been proved by Blackburn that if the base field is infinite, then the polynomial analogue of…

数论 · 数学 2017-06-08 Francesca Malagoli

We prove some new modular identities for the Rogers\textendash Ramanujan continued fraction. For example, if $R(q)$ denotes the Rogers\textendash Ramanujan continued fraction, then…

数论 · 数学 2024-10-23 Nayandeep Deka Baruah , Pranjal Talukdar

This note presents an especially short and direct variant of Hermite's proof of the simple continued fraction expansion e = [2,1,2,1,1,4,1,1,6,...] and explains some of the motivation behind it.

数论 · 数学 2007-05-23 Henry Cohn

In this paper, we will first summarize known results concerning continued fractions. Then we will limit our consideration to continued fractions of quadratic numbers. The second author described periods and sometimes precise form of…

组合数学 · 数学 2023-08-17 Lubomíra Balková , Aranka Hrušková

We prove a result on the structure of a Diophantine spectrum associated with Minkowski diagonal continued fraction.

数论 · 数学 2013-01-08 Alena Aleksenko

In this paper we show how to apply various techniques and theorems (including Pincherle's theorem, an extension of Euler's formula equating infinite series and continued fractions, an extension of the corresponding transformation that…

数论 · 数学 2019-01-07 James Mc Laughlin , Nancy J. Wyshinski

In this paper we establish $q$-orthogonality relation for the continuous $q$-ultraspherical polynomials, which was considered by Gasper. Additionally, we evaluate a new $q$-beta integral with several parameters.

经典分析与常微分方程 · 数学 2024-11-19 Dandan Chen , Siyu Yin

A $Z$-set in a metric space $X$ is a closed subset $K$ of $X$ such that each map of the Hilbert cube $Q$ into $X$ can uniformly be approximated by maps of $Q$ into $X \setminus K$. The aim of the paper is to show that there exists a functor…

一般拓扑 · 数学 2014-11-03 Piotr Niemiec

Using the theory of analytic functions of several complex variables, we prove that if an analytic function in several variables satisfies a system of $q$-partial differential equations, then, it can be expanded in terms of the product of…

组合数学 · 数学 2018-05-21 Zhi-Guo Liu

The generating functions of some sequences of Catalan numbers and Narayana polynomials have simple expansions as continued fractions of Jacobi type. We give an overview of these facts and prove analogous results for q-Narayana polynomials…

组合数学 · 数学 2026-05-06 Johann Cigler

The presence of large partial quotients can invalidate many classical limit theorems in the metric theory of continued fractions. A commonly employed strategy to overcome this problem is to discard the largest partial quotient when…

数论 · 数学 2025-08-19 Qian Xiao

Fractional $q$-extensions of some classical $q$-orthogonal polynomials are introduced and some of the main properties of the new defined functions are given. Next, a fractional $q$-difference equation of Gauss type is introduced and solved…

经典分析与常微分方程 · 数学 2016-12-28 P. Njionou Sadjang , S. Mboutngam

In this article we give a result obtained of an experimental way for the Euler totient function.

综合数学 · 数学 2007-05-23 Sebastian Martin Ruiz

In this article we give a proof of a q-analogue of the celebrated four functions theorem. This analogue was conjectured by Bjorner and includes as special cases both the four functions theorem and also Bjorner's q-analogue of the FKG…

组合数学 · 数学 2009-09-29 Demetres Christofides

Up-down permutations are counted by tangent resp. secant numbers. Considering words instead, where the letters are produced by independent geometric distributions, there are several ways of introducing this concept; in the limit they all…

组合数学 · 数学 2007-05-23 Helmut Prodinger

We explain in detail how to accelerate continued fractions (for constants as well as for functions) using the method used by R.~Ap\'ery in his proof of the irrationality of $\zeta(3)$. We show in particular that this can be applied to a…

数论 · 数学 2024-02-01 Henri Cohen

Transformation formulas for four-parameter refinements of the q-trinomial coefficients are proven. The iterative nature of these transformations allows for the easy derivation of several infinite series of q-trinomial identities, and can be…

组合数学 · 数学 2010-06-18 S. Ole Warnaar

Using the theory of functions of several complex variables, we prove that if an analytic function in several variables satisfies a system of $q$-partial differential equations, then, it can be expanded in terms of the product of the…

偏微分方程分析 · 数学 2018-05-08 Zhi-Guo Liu

We consider a family of continued fraction expansions of any number in the unit closed interval $[0,1]$ whose digits are differences of consecutive non-positive integer powers of an integer $m \geq 2$. For this expansion, we apply the…

数论 · 数学 2013-08-22 Dan Lascu , Katsunori Kawamura