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Adler, Keane, and Smorodinsky showed that if one concatenates the finite continued fraction expansions of the sequence of rationals \[ \frac{1}{2}, \frac{1}{3}, \frac{2}{3}, \frac{1}{4}, \frac{2}{4}, \frac{3}{4}, \frac{1}{5}, \cdots \] into…

Number Theory · Mathematics 2015-07-03 Joseph Vandehey

Quadratic irrationals posses a periodic continued fraction expansion. Much less is known about cubic irrationals. We do not even know if the partial quotients are bounded, even though extensive computations suggest they might follow…

Number Theory · Mathematics 2011-08-02 Mitja Lakner , Peter Petek , Marjeta Škapin Rugelj

We establish Hermite expansion characterizations for several subspaces of the Fr\'{e}chet space of functions on the real line satisfying \begin{equation*} |f(x)| \lesssim e^{-(\frac{1}{2} - \lambda ) x^{2}} , \qquad | \widehat{f}(\xi )|…

Functional Analysis · Mathematics 2025-06-10 Lenny Neyt , Joachim Toft , Jasson Vindas

The goal of this expository article is to present a proof that is as direct and elementary as possible of the fundamental theorem of complex multiplication (Shimura, Taniyama, Langlands, Tate, Deligne et al.). The article is a revision of…

Number Theory · Mathematics 2007-05-24 J. S. Milne

A short, fairly self-contained proof is given of the Poincar\'e Conjecture. In the previous version there was an error on Page 8. This gap has now been filled.

General Mathematics · Mathematics 2025-09-26 M. J. Dunwoody

The classical theory of continued fractions has been widely studied for centuries for its important properties of good approximation, and more recently it has been generalized to $p$-adic numbers where it presents many differences with…

Number Theory · Mathematics 2020-10-16 Laura Capuano , Nadir Murru , Lea Terracini

We detail the continued fraction expansion of the square root of a monic polynomials of even degree. We note that each step of the expansion corresponds to addition of the divisor at infinity, and interpret the data yielded by the general…

Number Theory · Mathematics 2007-05-23 Alfred J. van der Poorten

We study the distribution of the extended binomial coefficients by deriving a complete asymptotic expansion with uniform error terms. We obtain the expansion from a local central limit theorem and we state all coefficients explicitly as…

Combinatorics · Mathematics 2014-07-29 Thorsten Neuschel

In Entry 16, Chapter 16 of his notebooks, Ramanujan himself gave a formula for the convergents of the famous Rogers-Ramanujan continued fraction. We provide a similar formula for the convergents of a more general continued fraction, namely…

Classical Analysis and ODEs · Mathematics 2016-03-25 Gaurav Bhatnagar , Michael D. Hirschhorn

In this paper, we prove that the period of the continued fraction expansion of ${\sqrt {2^{n}+1}}$ tends to infinity when $n$ tends to infinity through odd positive integers.

Number Theory · Mathematics 2007-05-23 Yann Bugeaud , Florian Luca

The aim of this short note is to provide a very simple proof for obtaining the fundamental two-term transformation for the series ${}_3F_2(1)$ due to Thomae.

Complex Variables · Mathematics 2016-08-24 Arjun K. Rathie

In this paper, we present an improved continued fraction approximation of the Wallis ratio. This approximation is fast in comparison with the recently discovered asymptotic series. We also establish the double-side inequality related to…

Classical Analysis and ODEs · Mathematics 2017-12-07 Xu You

This paper is a short survey of the recent results on examples of periodic two-dimensional continued fractions (in Klein's model). In the last part of this paper we formulate some questions, problems and conjectures on geometrical…

Number Theory · Mathematics 2007-05-23 O. N. Karpenkov

Casually introduced thirty years ago, a simple algebraic equation of degree 4, with coefficients in Fp[T], has a solution in the field of power series in 1/T, over the finite field Fp. For each prime p > 3, the continued fraction expansion…

Number Theory · Mathematics 2016-10-31 Alain Lasjaunias , Khalil Ayadi

In this paper we show how to construct several infinite families of polynomials $D(\bar{x},k)$, such that $\sqrt{D(\bar{x},k)}$ has a regular continued fraction expansion with arbitrarily long period, the length of this period being…

Number Theory · Mathematics 2019-01-04 James Mc Laughlin , Peter Zimmer

In this article we generalize Borel's classical approximation results for the regular continued fraction expansion to the alpha-Rosen fraction expansion, using a geometric method. We give a Haas-Series-type result about all possible good…

Number Theory · Mathematics 2009-12-10 Cor Kraaikamp , Ionica Smeets

We obtain a power saving in the error term for a semigroup congruence lattice point count related to continued fractions. This is done by adapting arguments from recent work of Oh and Winter (2014) that give uniform bounds for certain…

Number Theory · Mathematics 2015-02-10 Michael Magee , Hee Oh , Dale Winter

This short note delivers, via elementary calculations, a product representation of pi.

Number Theory · Mathematics 2020-01-22 S. R. Holcombe

Carlitz proved a few generalizations of Mehler's formula. Later, Srivastava et al. gave a new proof for some extensions of Carlitz's formula. Here, a direct proof of the further generalization is given.

Classical Analysis and ODEs · Mathematics 2026-05-11 Manish Chaurasia

I give an elementary proof of Wall's continued-fraction characterization of Hausdorff moment sequences.

Classical Analysis and ODEs · Mathematics 2020-02-25 Alan D. Sokal