Results 21 to 30 of about 10,263,997 (158)

Epistles of the Brethren of Purity. On Arithmetic and geometry

open access: yesAmerican Journal of Islam and Society, 2014
The significance of the epistles on a range of intellectual disciplines by the group of scholars known as the Brethren of Purity (Ikhwan al-Safa’) has been known for some time, although one might argue that their significance for a proper assessment of ...
Sajjad H. Rizvi
doaj   +1 more source

Front Propagation Through a Perforated Wall

open access: yesCommunications on Pure and Applied Mathematics, EarlyView.
ABSTRACT We consider a bistable reaction– diffusion equation ut=Δu+f(u)$u_t=\Delta u +f(u)$ on RN${\mathbb {R}}^N$ in the presence of an obstacle K$K$, which is a wall of infinite span with many holes. More precisely, K$K$ is a closed subset of RN${\mathbb {R}}^N$ with smooth boundary such that its projection onto the x1$x_1$‐axis is bounded and that ...
Henri Berestycki   +2 more
wiley   +1 more source

Woven Words: Women and Classic Maya Hieroglyphic Writing

open access: yesFeminist Anthropology, EarlyView.
Abstract What survives of Classic Maya (250–925 CE) scribal tradition suggests that production and use of hieroglyphs were dominated by elite men. Ancient texts and imagery, as well as ethnohistorical sources, overwhelmingly position males as agents of writing.
Mallory E. Matsumoto, Mary Kate Kelly
wiley   +1 more source

The mathematical content knowledge and attitudes of New Zealand pre-service primary teachers [PDF]

open access: yes, 2012
This paper presents data on the mathematical content knowledge and attitudes of pre-service primary teacher education students. The assessment consisted of nine tasks, including 2-digit computations and proportional reasoning. Students rated their liking
Mills, Judith Patricia   +3 more
core  

Mathematic-Guided Tai-Chi Movements

open access: yesJournal of Taiji Science
Tai-Chi (also spelled Taiji or Taijiquan), the ancient Chinese martial art rooted in Taoist philosophy, emphasizes harmony, balance, and continuous motion embedded with mathematical geometric shapes.
Matthew X. He
doaj   +1 more source

Managing and visualising geochemical data for tephra correlation with the IntChron Integration Tool

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT There is now a wealth of glass‐shard geochemical data for volcanic ash (tephra) layers from a wide range of volcanoes and eruptions, providing invaluable datasets for tephrochronology. However, compilation of published data to assess tephra correlations leads to large files and requires careful management.
Victoria C. Smith   +5 more
wiley   +1 more source

Ancient Indian Mathematical Evolution since Counting

open access: yes, 2019
This paper is an endeavor how chronologically since inception and into growth of mathematics occurred in Ancient India with an effort of counting to establish the numeral system through different ages, i.e., Rigveda, Yajurvada, Buddhist, Indo-Bactrian ...
Sandip Ghanta, Mr.   +3 more
core   +1 more source

Cultural heritage as a mathematical context: Interpretation of set theory in spatial layout of Prambanan temple

open access: yesInfinity
Mathematics is often perceived as culturally neutral and detached from its social and historical foundations, leading to the neglect of cultural heritage rich in mathematical ideas.
Rully Charitas Indra Prahmana   +7 more
doaj   +1 more source

Sustainability Assessment: The Role of Entropy‐Based Indicators for Reconnecting Human' Subjectivity and Civilization With Natural Tendency of Ecosystems

open access: yesSustainable Development, EarlyView.
ABSTRACT Sustainability represents a complex issue in which scientific knowledge inevitably coexists with the subjective perception of humans in its turn influenced by civilization, cultural but also unconscious aspects. These results emerge with evidence from a critical analysis of the main definitions of sustainability delivered by credited entities (
Francesco Di Maria, Hamid Safarzadeh
wiley   +1 more source

What's Inside the Green Bag? An Analysis of the Eco‐Design Options and a Visual Tool for the Development of Sustainable Fashion Accessories

open access: yesSustainable Development, EarlyView.
ABSTRACT Integrating eco‐design practices in product development from the start is essential for fashion accessories like bags and backpacks, which involve complex manufacturing, diverse materials, and strong socio‐cultural meanings. Building on this premise and drawing from the Lifecycle Design Strategy Wheel, this study aims to characterize the eco ...
Francesco Paolo Lagrasta   +2 more
wiley   +1 more source

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