Results 1 to 10 of about 3,936,045 (291)

Solution of the classical Yang–Baxter equation with an exotic symmetry, and integrability of a multi-species boson tunnelling model

open access: yesNuclear Physics B, 2017
Solutions of the classical Yang–Baxter equation provide a systematic method to construct integrable quantum systems in an algebraic manner. A Lie algebra can be associated with any solution of the classical Yang–Baxter equation, from which commuting ...
Jon Links
doaj   +4 more sources

Resarch based links: knowledge diversity to solve productive problems [PDF]

open access: yesTrilogía Ciencia Tecnología Sociedad, 2015
A characteristic of research at the university level is its universal approach which involves all areas of knowledge. The aim of this paper is to analyze how such diversity in research can be seen as a strength for linking academic work with the industry.
Carlos Bianchi, Claudia Cohanoff
doaj   +1 more source

Formation the links between circularity and sustainability in the circular economy

open access: yesLogistics, Supply Chain, Sustainability and Global Challenges, 2023
Nowadays, many new questions arise regarding the creation and setting of goals for a sustainable circular economy. The study focused on exploring the connections between the concepts of circularity and sustainability in the circular economy ...
Lingaitienė Olga, Burinskienė Aurelija
doaj   +1 more source

Galileo OSNMA Public Observation Phase: Signal Testing and Validation

open access: yesIEEE Access, 2022
The Public Observation (PO) test phase of the Galileo Open Service Navigation Message Authentication (OSNMA) signal is officially opened since November $15^{\text {th}}~2021$ , by the European Union Agency for the Space Programme (EUSPA).
Mario Nicola   +3 more
doaj   +1 more source

Spreading of performance fluctuations on real-world project networks

open access: yesApplied Network Science, 2021
Understanding the role of individual nodes is a key challenge in the study of spreading processes on networks. In this work we propose a novel metric, the reachability-heterogeneity (RH), to quantify the contribution of each node to the robustness of the
Iacopo Pozzana   +3 more
doaj   +1 more source

Activity networks determine project performance

open access: yesScientific Reports, 2023
Projects are characterised by activity networks with a critical path, a sequence of activities from start to end, that must be finished on time to complete the project on time.
Alexei Vazquez   +3 more
doaj   +1 more source

Becoming a mother when suffering from a chronic illness

open access: yesFrontiers in Psychiatry, 2023
IntroductionThe critical period of early motherhood when facing serious health problems constitutes a major public health issue. The disease may interfere with, influence, and compound the difficulties experienced over the course of pregnancy and during ...
Hélène Riazuelo, Hélène Riazuelo
doaj   +1 more source

Entrepreneurial management of project supply chain – a model approach [PDF]

open access: yesProblems and Perspectives in Management, 2020
The paper’s principal purpose is to present the original concept of the project supply chain’s entrepreneurial management. Based on the literature on the subject, one defines the entrepreneurial management concept showing the influence of entrepreneurial
Jarosław Korpysa   +2 more
doaj   +1 more source

Informer, relier : le journalisme en tant que modèle moderne de médiation

open access: yesCommunication, 2010
The author considers journalism as a modern model of mediation and examines how this model was disseminated in societies other than the one in which it was devised and institutionalized.
Gloria Awad
doaj   +1 more source

A trofolaxes grupal: transtornos narcísicos e reconstruções vinculares La trofolaxis grupal: perturbaciones narcisistas y reconstrucciones vinculares Trophallaxis group: narcissistic disturbances and linking reconstructions

open access: yesPsicologia em Estudo, 2007
O presente trabalho apresenta um conceito derivado da Biologia do Conhecimento aplicado metaforicamente aos grupos humanos. Trofolaxes denomina o processo de comunicação química utilizado por determinados animais, os insetos sociais, para comunicar uns ...
Lazslo Antonio Ávila
doaj   +1 more source

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