Results 81 to 90 of about 24,088 (180)

Ramanujan-Nagellin yhtälö [PDF]

open access: yes, 2020
Intialainen matemaatikko Srinivasa Ramanujan esitti vuonna 1913 väitteen, että muotoa x^2+7=2^n olevan yhtälön, missä x,n ovat luonnollisia lukuja, kaikki ratkaisut ovat (x,n) = (1,3), (3,4), (5,5), (11,7) ja (181,15).
Salminen, Sabina
core  

Barium titanate microspheres by low temperature hydrothermal method: studies on structural, morphological, and optical properties

open access: yesJournal of Asian Ceramic Societies, 2018
The barium titanate (BT) microspheres were synthesized via the low temperature hydrothermal technique. The X-ray diffraction pattern confirmed the formation of cubic perovskite structure of the material.
D. Kothandan   +2 more
doaj   +1 more source

(Um tributo a Srinivasa Ramanujan)

open access: yes, 2008
Resumo Neste EP, será introduzido o conceito de artimética de precisão arbitraria (ou multipla, MPA, em inglês). São várias as aplicações nas quais necessitamos de uma precisão maior, as vezes muito maior, do que as fornecidas pela aritmética de ponto ...
Quinto Exercício Programa
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An entry of Ramanujan on hypergeometric series in his Notebooks [PDF]

open access: yes, 2005
Example 7, after Entry 43, in Chapter XII of the first Notebook of Srinivasa Ramanujan is proved and, more generally, a summation theorem for 3F2(a,a,x;1+a,1+a+N;1), where N is a nonnegative integer, is ...
Vanden Berghe, Guido   +5 more
core   +1 more source

Srinivasa Ramanujan

open access: yes
U prvom poglavlju ovog rada opisani su život i karijera Srinivase Ramanujana. U drugom poglavlju su izloženi neki od njegovih doprinosa kao što su doprinos razvoju formule za računanje broja π, zatim Ramanujanova pretpostavka vezana za Ramanujanovu tau funkciju te Hardy-Ramanujanov broj 1729 i njegova povezanost s taksi-brojevima.
openaire   +3 more sources

Architecting ternary heteronanocomposites Bi2S3/BiOCl@In2S3 and Bi2S3/BiOBr@In2S3 for photocatalytic detoxification of organoarsenic compound

open access: yesnpj Clean Water
Ternary heteronanocomposites Bi2S3/BiOCl@In2S3 and Bi2S3/BiOBr@In2S3 were designed as potent and sustainable photocatalysts and demonstrated their visible light-driven detoxification of the organoarsenic pollutant (carbarsone).
Namasivayam Dhenadhayalan
doaj   +1 more source

A NOTE ON “MATHEMATICS GENIUS SRINIVASA RAMANUJAN, FRS”

open access: yes, 2014
Srinivasa Ramanujan FRS (Fellow of Royal Society)(22 December 1887 – 26 April 1920) was an Indian mathematician , with almost no formal training in pure mathematics, made extraordinary contributions to mathematical analysis, number theory, infinite ...
Sridhar, Dr. S.; Dean-Cognitive & Central Computing Facility ,R.V.College of Engineering, Bangalore
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SRINIVASA RAMANUJAN- A GREAT INDIAN MATHEMATICIAN Sandeep Kundu

open access: yes, 2022
The present paper is aimed at studying the contribution of SrinivasaRamanujan in the field of Mathematics. Without several formal exercise in pure mathematics, he has done strange work and appeared as one of the great arithmetician of India. His mathematical perception reconstructed and updated 20thepoch mathematics.
openaire   +1 more source

Hybrid Quantum–Classical Neural Networks for Efficient MNIST Binary Image Classification

open access: yesMathematics
Image classification is a fundamental task in deep learning, and recent advances in quantum computing have generated significant interest in quantum neural networks.
Deepak Ranga   +4 more
doaj   +1 more source

The Orlicz space of entire sequences

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2004
Let Γ denote the space of all entire sequences and ∧ the space of all analytic sequences. This paper is devoted to the study of the general properties of Orlicz space ΓM of Γ.
K. Chandrasekhara Rao, N. Subramanian
doaj   +1 more source

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