Results 31 to 40 of about 7,316,719 (298)

Normal forms in function fields [PDF]

open access: yesProceedings of the international symposium on Symbolic and algebraic computation, 1990
We consider function fields of functions of one variable augmented by the binary operation of composition of functions. It is shown that the straightforward axiomatization of this concept allows the introduction of a normal form for expressions denoting elements in such fields. While the description of this normal form seems relatively intuitive, it is
openaire   +3 more sources

Seeing what students learn: assessing cognitive representations and academic outcomes via EEG image reconstruction

open access: yesInternational Journal of Educational Technology in Higher Education
Understanding how humans process visual information during learning remains a central challenge in cognitive neuroscience. Traditional approaches typically rely on behavioral observations or indirect neural measures, which limits direct insight into ...
Zhu Su   +5 more
doaj   +1 more source

Quadratic forms in Normal Variates Under Ridge Regression. [PDF]

open access: yesThe Egyptian Statistical Journal, 1997
This paper concentrates on studying the quadratic forms in normal variates which appear when testing linear statistical hypothesis under ridge regression with positive non-stochastic biased factors k1, k2, …, kp . Except for the correction factor nȳ2, it
Abdul-Mordy Azzam
doaj   +1 more source

The Hamiltonian normal form

open access: yesJournal of Geometry and Physics
To appear in Journal of Geometry and ...
Garay, Mauricio, van Straten, Duco
openaire   +2 more sources

Central Nervous System Tumors Among Infants in Canada: A Report From CYP‐C

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Central nervous system (CNS) tumors in infants are rare, pose unique clinical challenges, and lack large‐scale evidence‐based data to guide management. This study seeks to describe CNS tumors in Canadian infants and to compare their outcomes with those of older children.
Samuel Sassine   +17 more
wiley   +1 more source

Inquiry-based learning in STEM education: the impact of generative AI-based Chatbots on primary school students’ problem posing ability in science

open access: yesInternational Journal of STEM Education
Background Problem posing serves as the starting point for inquiry-based learning in science, technology, engineering, and mathematics (STEM) education. However, it has not received sufficient attention in primary science education practices.
Zhicheng Dai   +5 more
doaj   +1 more source

Les principes pragmatiques de communication dans l’argumentation

open access: yesArgumentation et Analyse du Discours, 2015
Many of the kinds of messages that argumentation scholars call fallacies involve something false or mistaken, but something less than full-fledged lies or less even than just the overt and explicit expression of premises or reasons with false ...
Scott Jacobs
doaj   +1 more source

Impact of Radiation Therapy on Physical and Psychosocial Health of Adolescents and Young Adults: A Joint Report From the Children's Oncology Group AYA and Radiation Oncology Committees

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Rates of cancer among adolescents and young adults (AYA), age 15–39 years, are increasing. Consequently, radiation oncologists are treating more AYAs who have diagnoses spanning both pediatric and adult practices. Compared to pediatric and older adult patients, AYAs face a unique set of challenges.
Hesham Elhalawani   +7 more
wiley   +1 more source

Social Functioning Within the First Years After Pediatric Brain Tumor Diagnosis and the Relationship With Family Psychosocial Risk

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Survivors of pediatric brain tumors (PBTs) can experience long‐term social difficulties, impacting quality of life. Beyond medical and environmental factors, family psychosocial risk may play a role in social outcomes by shaping the caregiving environment and may provide intervention options.
Renske H. Houben   +4 more
wiley   +1 more source

Determination of the normalization level of database schemas through equivalence classes of attributes [PDF]

open access: yesComputer Science Journal of Moldova, 2009
In this paper, based on equivalence classes of attributes there are formulated necessary and sufficient conditions that constraint a database schema to be in the second, third or Boyce-Codd normal forms. These conditions offer a polynomial complexity for
Cotelea Vitalie
doaj  

Home - About - Disclaimer - Privacy