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The „Fingerprint” of the American Management in the Powerful Dynamics Concerning the Real G.D.P. from the United States of America

Gabriela OPAIT • Annals of Dunarea de Jos University. Fascicle I : Economics and Applied Informatics (2021)

The victorious spirit, which predominates in all the provinces of the United States of America, penetrates the scale of values in rise concerning the real G.D.P. The symbiosis of the progresses witnessed by the American nation along of th...

DOAJ Open Access (DOAJ) DOI: 10.35219/eai15840409181

Introduction to Mathematical Statistics.

Aa, Robert V. Hogg, Allen T. Craig • Journal of the American Statistical Association (1996)

1. Probability and Distributions. 2. Multivariate Distributions. 3. Some Special Distributions. 4. Some Elementary Statistical Inferences 5. Consistency and Limiting Distributions 6. Maximum Likelihood Methods. 7. Sufficiency. 8. Optimal Te...

OPENALEX DOI: https://doi.org/10.2307/2291439

The causal ordering of mathematics anxiety and mathematics achievement: a longitudinal panel analysis

Xin Ma, Jiangming Xu • Journal of Adolescence (2003)

Using data from the Longitudinal Study of American Youth (LSAY), we aimed to determine the causal ordering between mathematics anxiety and mathematics achievement. Results of structural equation modelling showed that, across the entire juni...

OPENALEX DOI: https://doi.org/10.1016/j.adolescence.2003.11.003

The Mathematics of Infectious Diseases

Herbert W. Hethcote • SIAM Review (2000)

Abstract. Many models for the spread of infectious diseases in populations have been analyzed mathematically and applied to specific diseases. Threshold theorems involving the basic reproduction number [Formula: see text], the contact numbe...

OPENALEX DOI: https://doi.org/10.1137/s0036144500371907

Refining the Galerkin method error estimation for parabolic type problem with a boundary condition

Mamatov Alisher, Narjigitov Xusanboy, Turdibayev Dilshod, Rakhmanov Jamshidbek • E3S Web of Conferences (2021)

The article considers a parabolic-type boundary value problem with a divergent principal part, when the boundary condition contains the time derivative of the required function: { ut−d/dxiai(x,t,u,∇u)+a(x,t,u,∇u)=0,a0ut+ai(x,t,u,∇u)cos(v,...

DOAJ Open Access (DOAJ) DOI: 10.1051/e3sconf/202130403019

REVISÃO DA LITERATURA SOBRE A FABRICAÇÃO DE CBUQ (CONCRETO BETUMINOSO USINADO A QUENTE)

Rafaely Angelica Fonseca Bandeira, Antonio de Souza Araujo, Almir Mariano de Sousa Junior, Francisco Odair Filgueira Junior • Vetor (2021)

A indústria da construção civil utiliza asfaltenos oriundos de petróleo na fabricação do CBUQ - Concreto Betuminoso Usinado a Quente desde tempos mais remotos. Hoje, o CBUQ é amplamente utilizado para construção de estradas no país. Para a ...

DOAJ Open Access (DOAJ)

Solar heat transport analysis of Falkner Skan Casson ternary hybrid nanoparticles over a permeable wedge

Khan Mohsin, Sheheryar Shah, Amra Al Kenany, Meshal Shutaywi et al. • Discover Nano (2026)

Abstract In the modern era, energy has become a vital concern across all sectors, while efficient energy generation remains a significant challenge for scientists and engineers. To overcome this issue, researchers have developed ternary hyb...

DOAJ Open Access (DOAJ) DOI: 10.1186/s11671-026-04821-1

New Insights into Cd<sup>2+</sup>/Fe<sup>3+</sup> Co-Doped BiOBr for Enhancing the Photocatalysis Efficiency of Dye Decomposition under Visible-Light

Hong Sheng, Wei Wang, Rong Dai, Jing Ning et al. • Nanomaterials (2021)

Uniform flowerlike microspheres Cd2+/Fe3+ co-doped BiOBr were prepared with the aid of the microwave hydrothermal process. The results indicate that the degradation performance of Bi1−xCdxOBr and Bi1−xFexOBr are 1.31 and 2.05 times that of ...

DOAJ Open Access (DOAJ) DOI: 10.3390/nano11020423

Further Results on a Curious Arithmetic Function

Long Chen, Kaimin Cheng, Tingting Wang • Journal of Mathematics (2020)

Let p be an odd prime number and n be a positive integer. Let vpn, N∗, and Q+ denote the p-adic valuation of the integer n, the set of positive integers, and the set of positive rational numbers, respectively. In this paper, we introduce an...

DOAJ Open Access (DOAJ) DOI: 10.1155/2020/1894162

Changing Movements in a Changing World: Modelling Early Pleistocene and Early Middle Pleistocene Climatic and Ecological Environments and Influences on Hominin Dispersal in Eurasia

Kamilla L. Lomborg, Carolina Cucart-Mora, Jan-Olaf Reschke, Christine Hertler et al. • Journal of Computer Applications in Archaeology (2026)

In a world of drastic climatic and ecological changes, our knowledge of how the environment influenced hominin behaviour is of the utmost importance. Archaeology plays a key role in this domain, as it is the only discipline that studies emp...

DOAJ Open Access (DOAJ) DOI: 10.5334/jcaa.212

The local metric dimension of split and unicyclic graphs

Dinny Fitriani, Anisa Rarasati, Suhadi Wido Saputro, Edy Tri Baskoro • Indonesian Journal of Combinatorics (2022)

A set W is called a local resolving set of G if the distance of u and v to some elements of W are distinct for every two adjacent vertices u and v in G.  The local metric dimension of G is the minimum cardinality of a local resolving set of...

DOAJ Open Access (DOAJ) DOI: 10.19184/ijc.2022.6.1.3

Theories of Mathematical Learning

• Routledge eBooks (2013)

Contents: Preface. Part I: P. Cobb, Sociological and Anthropological Perspectives on Mathematics Learning. P. Cobb, B. Jaworski, N. Presmeg, Emergent and Sociocultural Views of Mathematical Activity. J. Voigt, Negotiation of Mathematical Me...

OPENALEX DOI: https://doi.org/10.4324/9780203053126

The Journal of Mathematical Behavior

Carolyn A. Maher, Elizabeth B. Uptegrove, LOUISE CHERRY WILKINSON • ICME-13 monographs (2019)

The Journal of Mathematical Behavior solicits original research on the learning and teaching of mathematics, from young children to adults, with a focus on how mathematical ideas are developed in learners under certain conditions that suppo...

OPENALEX cc-by DOI: https://doi.org/10.1007/978-3-030-15636-7_22

Mathematical Problems in Engineering

Mirko Viroli D • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (2017)

Mathematical Problems in Engineering is a peer-reviewed, open access journal that publishes results of rigorous engineering research carried out using mathematical tools. Contributions containing formulations or results related to applicati...

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