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We prove the irrationality of some factorial series. To do so we combine methods from elementary and analytic number theory with methods from the theory of uniform distribution.

Number Theory · Mathematics 2011-05-10 Jan-Christoph Schlage-Puchta

In order to prove irrationality of \sqrt{2} by using only decimal expansions (and not fractions), we develop in detail a model of real numbers based on infinite decimals and arithmetic operations with them.

History and Overview · Mathematics 2009-11-02 Martin Klazar

Continued fractions are used to give an alternate proof of $e^{x/y}$ is irrational.

History and Overview · Mathematics 2021-04-14 Sourangshu Ghosh

There are numerous ways to represent real numbers. We may use, e.g., Cauchy sequences, Dedekind cuts, numerical base-10 expansions, numerical base-2 expansions and continued fractions. If we work with full Turing computability, all these…

Logic · Mathematics 2020-03-30 Ivan Georgiev , Lars Kristiansen , Frank Stephan

In this note we generalise a method of Perott to give new proofs that there are infinitely many prime numbers.

Number Theory · Mathematics 2007-05-23 L. J. P. Kilford

In this paper, we consider representations of integers as sums of generalized heptagonal numbers with a prescribed number of repeats of each heptagonal number appearing in the sum. In particular, we investigate the classification of such…

Number Theory · Mathematics 2022-03-29 Ramanujam Kamaraj , Ben Kane , Ryoko Tomiyasu

In math.NT/0307308 we defined the irrationality base of an irrational number and, assuming a stronger hypothesis than the irrationality of Euler's constant, gave a conditional upper bound on its irrationality base. Here we develop the…

Number Theory · Mathematics 2007-05-23 Jonathan Sondow

In this paper, we consider infinite sums derived from the reciprocals of the generalized Fibonacci numbers. We obtain some new and interesting identities for the generalized Fibonacci numbers.

Number Theory · Mathematics 2015-03-04 Pingzhi Yuan , Zilong He , Junyi Zhuo

We consider measures supported on sets of irrational numbers possessing many consecutive partial quotients satisfying a condition based on the previous partial quotients. We show that under mild assumptions, such sets will always support…

Classical Analysis and ODEs · Mathematics 2025-03-24 Robert Fraser

We give a proof of the uniform convergence of Fourier series, using the methods of nonstandard analysis.

Analysis of PDEs · Mathematics 2013-11-17 Tristram de Piro

We illustrate the power of Experimental Mathematics and Symbolic Computation to suggest irrationality proofs of natural constants, and the determination of their irrationality measures. Sometimes such proofs can be fully automated, but…

Number Theory · Mathematics 2021-05-10 Doron Zeilberger , Wadim Zudilin

Generalizing a geometric idea due to J. Sondow, we give a geometric proof for the Cantor's Theorem. Moreover, it is given an irrationality measure for some Cantor series.

History and Overview · Mathematics 2010-12-30 Diego Marques

This paper offers a solution method that allows one to find exact values for a large class of convergent series of rational terms. Sums of this form arise often in problems dealing with Quantum Field Theory.

Mathematical Physics · Physics 2007-05-23 Costas Efthimiou

We present a common ground for infinite sums, unordered sums, Riemann/Lebesgue integrals, arc length and some generalized means. It is based on extending functions on finite sets using Hausdorff metric in a natural way.

General Mathematics · Mathematics 2021-10-04 Attila Losonczi

In this paper, we consider mixed sums of generalized polygonal numbers. Specifically, we obtain a finiteness condition for universality of such sums; this means that it suffices to check representability of a finite subset of the positive…

Number Theory · Mathematics 2023-05-25 Ben Kane , Zichen Yang

In the literature, we have various ways of proving irrationality of a real number. In this survey article, we shall emphasize on a particular criterion to prove irrationality. This is called nice approximation of a number by a sequence of…

Number Theory · Mathematics 2022-06-28 Tirthankar Bhattacharyya , Soham Bakshi , Arka Das

In this paper, we consider sums of values of degenerate falling factorials and give a probabilistic proof of a recurrence relation for them. This may be viewed as a degenerate version of the recent probabilistic proofs on sums of powers of…

Number Theory · Mathematics 2024-09-13 Taekyun Kim , Dae san Kim

In this article we propose a general method of obtaining infinite sums of products with functions that count patterns in numbers.

Number Theory · Mathematics 2015-10-12 Yining Hu

A new general and unified method of summation, which is both regular and consistent, is invented. It is based on the idea concerning a way of integers reordering. The resulting theory includes a number of explicit and closed form summation…

Classical Analysis and ODEs · Mathematics 2011-10-26 Armen Bagdasaryan

We prove that the sum of the series $\sum_{n=0}^{\infty}\, p^{v_p(n!)}$ is a $p$-adic irrational for all primes $p$, where $v_p(n!)$ denotes the exponent of the highest power of $p$ dividing $n!$.

Number Theory · Mathematics 2017-11-01 Sílvia Casacuberta
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