Results 21 to 30 of about 106 (53)

One Cubic Diophantine Inequality [PDF]

open access: yes, 2000
Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/135280/1/jlms0025 ...
Freeman, D. Eric
core   +1 more source

Some new results in quantitative Diophantine approximation

open access: yes, 2022
In this article we establish two new results on quantitative Diophantine approximation for one-parameter families of diagonal ternary indefinite forms. In the first result, we consider quadratic forms taking values at prime points.
Ghosh, Anish, Kumaraswamy, V. Vinay
core   +1 more source

An Invitation to Additive Prime Number Theory [PDF]

open access: yes, 2005
2000 Mathematics Subject Classification: 11D75, 11D85, 11L20, 11N05, 11N35, 11N36, 11P05, 11P32, 11P55.The main purpose of this survey is to introduce the inexperienced reader to additive prime number theory and some related branches of analytic number ...
Kumchev, A., Tolev, D.
core  

Small values of signed harmonic sums [PDF]

open access: yes, 2018
For every \u3c4 08R and every integer N, let mN(\u3c4) be the minimum of the distance of \u3c4 from the sums 11n=1Nsn/n, where s1,\u2026,sn 08 121,+1.
Bettin, S., Molteni, G., Sanna, C.
core   +7 more sources

Counting primitive points of bounded height

open access: yes, 2010
Let $k$ be a number field and $K$ a finite extension of $k$. We count points of bounded height in projective space over the field $K$ generating the extension $K/k$.
Widmer, Martin
core   +2 more sources

Almost equal summands in Waring’s problem with shifts [PDF]

open access: yes, 2018
A result of Wright from 1937 shows that there are arbitrarily large natural numbers which cannot be represented as sums of $s$ $k$th powers of natural numbers which are constrained to lie within a narrow region.
Biggs, Kirsti D.
core   +4 more sources

Irreducible numerical semigroups with multiplicity three and four [PDF]

open access: yes, 2011
In this paper we analyze the irreducibility of numerical semigroups with multiplicity up to four. Our approach uses the notion of Kunz-coordinates vector of a numerical semigroup recently introduced in (Blanco-Puerto, 2011).
Blanco, Víctor
core  

Signed harmonic sums of integers with k distinct prime factors [PDF]

open access: yes, 2020
We give some theoretical and computational results on “random” harmonic sums with prime numbers, and more generally, for integers with a fixed number of prime ...
Gambini A., Tonon R., Zaccagnini A.
core  

Exceptional sets for Diophantine inequalities [PDF]

open access: yes, 2012
We apply Freeman's variant of the Davenport-Heilbronn method to investigate the exceptional set of real numbers not close to some value of a given real diagonal form at an integral argument.
D. Wooley, Scott T. Parsell, Trevor
core   +1 more source

A New Lower Bound in the $abc$ Conjecture

open access: yes, 2023
We prove that there exist infinitely many coprime numbers $a$, $b$, $c$ with $a+b=c$ and $c>\operatorname{rad}(abc)\exp(6.563\sqrt{\log c}/\log\log c)$. These are the most extremal examples currently known in the $abc$ conjecture, thereby providing a new
Bright, Curtis
core  

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