Results 91 to 100 of about 15,018 (234)

Multivariate Polynomials in Sage [PDF]

open access: yes, 2011
We have developed a patch implementing multivariate polynomials seen as a multi-base algebra. The patch is to be released into the software Sage and can already be found within the Sage-Combinat distribution.
Pons, Viviane
core   +5 more sources

Perspectives on Climate Change in Education for Sustainability: Linking Concepts and Skills for a Practical Ecological Transition

open access: yesSustainable Development, EarlyView.
ABSTRACT ‘Hard’ natural sciences have extensively been used to provide evidence that climate change is happening and climate action is needed. If the contribution of our economic activities to disturbing our climate systems is now largely accepted, the way in which we design and operationalise ‘climate action’—how we transition to more sustainable ...
Sandrine Simon
wiley   +1 more source

Lifecycle‐Based Governance to Build Reliable Ethical AI Systems

open access: yesSystems Research and Behavioral Science, EarlyView.
ABSTRACT Artificial intelligence (AI) systems represent a paradigm shift in technological capabilities, offering transformative potential across industries while introducing novel governance and implementation challenges. This paper presents a comprehensive framework for understanding AI systems through three critical dimensions: trustworthiness ...
Maikel Leon
wiley   +1 more source

Prevalence and attitudes of smoking among secondary school teachers in Hadramout coastal districts, Yemen [PDF]

open access: yes, 2006
A descriptive KAP study about smoking was conducted in all the ten secondary schools in Hadramout coastal districts during October 2004 – April 2005 and a total of 317 teachers were enrolled in the study (182 male, 135 female teachers).
Bahaj Ali, Ahmed   +1 more
core  

Leadership Development Through Exploring Critical Perspectives and Storytelling in Pop Culture: Toward Leadership for Liberation Values

open access: yesNew Directions for Student Leadership, Volume 2025, Issue 185, Page 107-113, Spring 2025.
ABSTRACT Popular culture exists as an expression of cultural history. It speaks to who we are, what we aspire toward, and where our generation stands in relation to the major issues of the day. This article is a conversation about the myriad perspectives offered in this issue of New Directions for Student Leadership, exploring the contributions each ...
Kathleen Callahan, Sean Connable
wiley   +1 more source

Allochthonous chemical cues drive predation by a top carnivore

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Identifying the mechanisms by which mobile predators detect and select prey remains a central challenge in sensory biology and functional ecology. This study provides the first direct evidence that chemical cues associated with allochthonous organic matter (e.g.
Ryan P. Ferrer, Richard K. Zimmer
wiley   +1 more source

In vitro and in vivo metabolism profiles of cathinone and pseudoephedrine: Discrimination between khat and pseudoephedrine uses

open access: yesJournal of Forensic Sciences, EarlyView.
Abstract In the present study, the metabolism of khat (Catha edulis) and pseudoephedrine was compared with the aim of identifying objective criteria that could be used to discriminate between them for forensic and doping‐control purposes. An in vitro study using human liver microsomes and an in vivo study using rat urine were performed under harmonized
Jong Suk Park   +6 more
wiley   +1 more source

Prevalence of Khat (Catha edulis) Chewing and Its Determinants: A Respondent-Driven Survey from Hossana, Ethiopia

open access: yesSubstance Abuse and Rehabilitation, 2021
Riyaz Ahmad Rather,1 Solomon Berhanu,1 Lemma Abaynah,1 Mohammed Sultan2 1Department of Biotechnology, College of Natural and Computational Science, Wachemo University, Hossana, Ethiopia; 2Department of Statistics, College of Natural and Computational ...
Rather RA   +3 more
doaj  

From ergativus absolutus to topic marking in Kiranti : a typological perspective [PDF]

open access: yes, 2010
In many languages, clauses can be subordinated by means of case markers. For Bodic languages, a branch of Sino-Tibetan, Genetti (1986) has shown that the meaning of case markers on clauses is in most instances a natural extension of their function on ...
Bickel, Balthasar
core  

Toronto's drug policy paradox: Harm reduction sites and drug police occurrences in Toronto neighborhoods (1992–2020)

open access: yesCriminology, EarlyView.
Abstract Discourse around drug policy presents a stark contrast between policing and harm reduction models, sparking debates on the state's regulatory versus protective role. Canada is an ideal case to study drug policy models due to its global recognition as a leader in harm reduction alongside continued reliance on policing of drugs.
Taylor Domingos
wiley   +1 more source

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