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On a conjecture on shifted primes with large prime factors

open access: yesBulletin of the Australian Mathematical Society, 2022
Let $$\mathcal {P}$$ P be the set of all primes and $$\pi (x)$$ π ( x ) be the number of primes up to x . For any $$n\ge 2$$ n ≥ 2 , let $$P^+(n)$$ P + ( n ) be the largest prime factor of n .
Yuchen Ding
semanticscholar   +6 more sources

On shifted primes with large prime factors and their products [PDF]

open access: yesArchiv der Mathematik, 2018
The author gives partial answers to two questions on shifted primes with large prime factors. To state these results let us start with some definitions. \textit{F. Luca} et al. [Bull. Belg. Math. Soc. - Simon Stevin 22, No. 1, 39--47 (2015; Zbl 1370.11110)] considered the following counting function: \[T_{\theta}(x):= |\{p\leq x: P^+(p-1)\geq p^{\theta}
Jie Wu
semanticscholar   +4 more sources

The polynomial multidimensional Szemerédi Theorem along shifted primes [PDF]

open access: yesIsrael Journal of Mathematics, 2010
If $\vec q_1 ,...,\vec q_m $ : ℤ → ℤℓ are polynomials with zero constant terms and E ⊂ ℤℓ has positive upper Banach density, then we show that the set E ∩ (E − $\vec q_1 $ (p − 1)) ∩ … ∩ (E − $\vec q_m $ (p − 1)) is nonempty for some prime p.
N. Frantzikinakis, B. Host, Bryna Kra
semanticscholar   +4 more sources
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Shifted-Prime Factorizations

The American Mathematical Monthly, 1981
Kenneth H. Rosen
semanticscholar   +2 more sources

On the largest prime factor of shifted primes

Acta Mathematica Sinica, English Series, 2017
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Feng-Juan Chen, Yong Gao Chen
semanticscholar   +3 more sources

Prime Divisors of Shifted Factorials

Bulletin of the London Mathematical Society, 2005
For any positive integer n we let $P(n)$ be the largest prime factor of n . We improve and generalize several results of P. Erdős and C. Stewart on $P(n!+1)$ . In particular, we show that $\limsup_{n \to \infty}P(n!+1)/n \ge 2.5$ , which improves their lower bound of $\limsup_{n \to \infty} P(n!+1)/n >2$ .
F. Luca, I. Shparlinski
semanticscholar   +2 more sources

If small molecules immunotherapy comes, can the prime be far behind?

European journal of medicinal chemistry, 2021
Anti-cancer immunotherapy, which includes cellular immunotherapy, immune checkpoint inhibitors and cancer vaccines, has transformed the treatment strategies of several malignancies in the past decades.
Jingyu Zhang   +5 more
semanticscholar   +1 more source

‘I will handle it personally’: The neo-patrimonial rhetoric of the Czech Prime Minister in the times of COVID-19

The Journal of Contemporary European Studies, 2021
This paper contributes to the contemporary discussion about the political consequences of the COVID-19 pandemic situation. The goal of the text is to identify and analyze the neo-patrimonial rhetoric of Czech Prime Minister Babiš in connection with his ...
Vladimír Naxera, Ondřej Stulík
semanticscholar   +1 more source

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