Results 21 to 30 of about 708,663 (293)

Perfect powers in sum of three fifth powers [PDF]

open access: yesJournal of Number Theory, 2022
In this paper we determine the perfect powers that are sums of three fifth powers in an arithmetic progression. More precisely, we completely solve the Diophantine equation $$ (x-d)^5 + x^5 + (x + d)^5 = z^n,~n\geq 2, $$ where $d,x,z \in \mathbb{Z}$ and $d = 2^a5^b$ with $a,b\geq 0$.
Pranabesh Das   +3 more
openaire   +3 more sources

Liczba trzy w kulturze i języku

open access: yesAnnales Universitatis Paedagogicae Cracoviensis. Studia Linguistica, 2022
Already in the oldest cultures, numbers were used not only for counting, but humans used them to tame and organise the world and attributed to them magical, mystical and causative powers. It is difficult to characterise all cultural and linguistic areas
Marek Ruszkowski
doaj   +1 more source

A recursive construction for perfect hash families

open access: yesJournal of Mathematical Cryptology, 2009
A known recursive construction for perfect hash families multiplies the number of factors by q, where q is the largest prime power not exceeding the number of symbols.
Colbourn Charles J., Ling Alan C. H.
doaj   +1 more source

PERFECT POWERS THAT ARE SUMS OF CONSECUTIVE CUBES [PDF]

open access: yesMathematika, 2016
Euler noted the relation $6^3=3^3+4^3+5^3$ and asked for other instances of cubes that are sums of consecutive cubes. Similar problems have been studied by Cunningham, Catalan, Gennochi, Lucas, Pagliani, Cassels, Uchiyama, Stroeker and Zhongfeng Zhang.
Bennett, Michael A.   +2 more
openaire   +4 more sources

The power of the future perfect in program logics

open access: yesInformation and Control, 1985
Cf. the review of the preliminary version [Lect. Notes Comput. Sci. 176, 301-311 (1984; Zbl 0557.68029)].
Matthew Hennessy, Colin Stirling
openaire   +2 more sources

Critical temperature in weakly interacting multicomponent field theory

open access: yesEPJ Web of Conferences, 2017
A method is suggested for calculating the critical temperature in multicomponent field theory with weak interactions. The method is based on self-similar approximation theory allowing for the extrapolation of series in powers of asymptotically small ...
Yukalov V.I., Yukalova E.P.
doaj   +1 more source

REFORMING RUSSIAN POWER INDUSTRY: INTERMEDIATE RESULTS AND FURTHER PLANS

open access: yesСтратегические решения и риск-менеджмент, 2015
The article analyses the results of electric power industry reformation. At most, two key tasks are not completed: creating a competitive market of electric power prices of which are not controlled by the state, but formed on the basis of demand and ...
L. V. Volkov, E. V. Hodyachih
doaj   +1 more source

A NOTE ON REPUNIT NUMBER SEQUENCE

open access: yesIntermaths
In this paper, we investigate the classical identities of the repunit sequence with integer indices in light of the properties of Horadan-type sequences. We highlight particularly the Tagiuri-Vajda Identity and Gelin-Cesàro Identity.
Douglas Catulio Santos   +1 more
doaj   +3 more sources

Tanggung Jawab Perdata Notaris terhadap Akta yang Dibacakan oleh Staf Notaris di Hadapan Penghadap

open access: yesLentera Hukum, 2018
A notary in exercising powers to make an authentic deed is required to read it before an interlocutor as it is set in Article 16 paragraph (1) letter (m) Notary Act.
Muhammad Tiantanik Citra Mido   +2 more
doaj   +1 more source

PERFECT POWERS IN THE SMARANDACHE PERMUTATION SEQUENCE [PDF]

open access: yes, 2002
In this paper we prove that the Smarandache pennutation sequience does not contain perfect ...
Maohua, Le
core   +1 more source

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