Results 1 to 10 of about 4,291,345 (302)

Daugavet centers [PDF]

open access: yes, 2009
An operator $G : \allowbreak X \to Y$ is said to be a Daugavet center if $\|G + T\| = \|G\| + \|T\|$ for every rank-1 operator $T : \allowbreak X \to Y$.
Bosenko, T., Kadets, V.
core   +5 more sources

Complex centers of polynomial differential equations

open access: yesElectronic Journal of Differential Equations, 2007
We present some results on the existence and nonexistence of centers for polynomial first order ordinary differential equations with complex coefficients.
Mohamad Ali M. Alwash
doaj   +5 more sources

Each Home as a Health Post Program and the Role of the Health Messengers and Health Volunteers in the COVID-19 Epidemic Management and Control [PDF]

open access: yesTaṣvīr-i salāmat, 2022
Background. COVID-19, caused by a new beta-coronavirus called SARS-CoV-2, started in China in late December 2019. Its outbreak was officially announced in Iran on February 19, 2020.
Fereshteh Faghihi   +8 more
doaj   +1 more source

Psychotherapy for late-life psychopathology – Updates to promote aging in place

open access: yesFrontiers in Psychology, 2022
Psychopathology in late life does not always meet the criterion for a psychiatric diagnosis. Nevertheless, it affects the aging person, their family, employers, and society as a whole.
Daniela Aisenberg-Shafran
doaj   +1 more source

Development centers of the Danube-Morava corridor [PDF]

open access: yesGlasnik Srpskog Geografskog Društva, 2004
Danube-Morava axis and its centers, as the most important integrative element of the Serbia geo-space, has the significant role in the contemporary development processes.
Tošić Branka D.   +1 more
doaj   +1 more source

Early Trend of Imported COVID-19 Cases in South Korea [PDF]

open access: yesOsong Public Health and Research Perspectives, 2020
This study aimed to observe the initial trend of imported COVID-19 cases in South Korea since the beginning of the outbreak. All imported cases were classified into 5 regions (China, Asia, Europe, Africa, and America) according to travel history and ...
Korea Centers for Disease Control and Prevention
doaj   +1 more source

On Some Reversible Cubic Systems

open access: yesMathematics, 2021
We study three systems from the classification of cubic reversible systems given by Żoła̧dek in 1994. Using affine transformations and elimination algorithms from these three families the six components of the center variety are derived and limit-cycle ...
Barbara Arcet, Valery G. Romanovski
doaj   +1 more source

Creating Integrated Science and Language Arts Centers: Considering Ocean Literacy and the 5E Instructional Model

open access: yesCurrent: The Journal of Marine Education, 2022
Unfortunately, most lower elementary grades teach little to no science content due to a primary focus on language arts and math instruction. Therefore, this article focuses on the importance of integrating science with language arts and shares steps on ...
Frances Hamilton, Dana Skelley
doaj   +1 more source

Functional centering [PDF]

open access: yesProceedings of the 34th annual meeting on Association for Computational Linguistics -, 1996
Based on empirical evidence from a free word order language (German) we propose a fundamental revision of the principles guiding the ordering of discourse entities in the forward-looking centers within the centering model. We claim that grammatical role criteria should be replaced by indicators of the functional information structure of the utterances,
Strube, Michael, Hahn, Udo
openaire   +2 more sources

Characteristics of shisha smoking venues in a satellite township near Kuala Lumpur, Malaysia: an observational study.

open access: yesTobacco Prevention and Cessation, 2016
Introduction Shisha smoking has emerged as a popular trend in Malaysia, especially around the capital city of Kuala Lumpur. The aim of this study was to determine the environment and services provided, in shisha centers around the satellite township of ...
Kalyan C Gundavarapu   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy